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Home >> Patents >> List of patent granted in India
List of patent granted in India
  Title Inventors Gtant Date Patent No.
A process for conversion of low cost and high FFA oils to biodiesel Kaul Savita, Atray Neeraj, Bhatnagar Ajay 30-9-2016 275889
A composition of biodegradable gear oil Singh Arun Kumar, Chamoli Aruna 26-8-2016 275171
An improved preparation procedure for noble metal, three way, auto-exhaust catalyst Dangwal Vijai Singh, Jain Amar Kumar, Sharma Lakshmi Datt 28-7-2016 274547
A vapor phase adsorption process for desulphurisation of transportation fuel Garg Madhukar Onkarnath, Goswami Amar Nath, Nanoti Anshu, Gupta Pushpa, Dasgupta Soumen, Agnihotri Vasudha, Sharma Yogendra Kumar, Tumula Venkateshwar Rao, Dhal Ivar Martin, Karlsson Arne, Stocker Michael Wilhelm, Tangstad Elisabeth, Vistad Ornulv Bjornsson 15-7-2016 274230
A process for production of improved quality feedstocks from fcc bottoms for catalytic cracking and conversion into industrial carbon materials M O Garg, Manoj Srivastava, Manoj, Kumar Neeraj Athey, Krishan Kant Singh 28-6-2016 273778
A process for direct hydroxylation of aromatic hydrocarbons Suman Lata Jain, Jomy K Joseph, Sweety Singhal, Bir Sain, Ragunathan Sivakumaran, Basant Kumar 30-5-2016 273296
A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water M P Saxena, A K Gupta, S K Sharma, D P Bangwal, Krishan Kumar 12-2-2016 271267
A process for removal of sulfones from oxidized hydrocarbon fuel Anshu Nanoti, Soumen Dasgupta, A N Goswami, B R Nautiyal T V Rao, Bir Sain, Y K Sharma S M Nanoti M O Garg, Pushpa Gupta 29-1-2016 271035
A process for the preparation of liquid lubricants from non-edible vegetable oils V K Chhibber, A K Gupta, O N Anand, Jaideep Mehta 29-1-2016 271024
An improved process for the production of phenol by liquid phase selective hydroxylation of benzene using hydrogen peroxide as the oxidant and vanadyl pyrophosphate as the catalyst Datta Arunabha, S Sakthivel, Satyarthi Jitendra Kumar 18-9-2014 262847
A composition of hydraulic fluid and process for the preparation thereof Singh Arun Kumar, Pandey Naval Kishore, Gupta Ashok Kumar 17-7-2014 261841
A process foer the aromatization of light naptha using improved reforming catalyst B S Negi, N Viswnadham, Ashok K Sxena, J S Karir, Babu Lal, Mool Chand, V V DN Prasad, Jagdish Kumar, V K Kapoor, Y K Kucchal, M O Garg 9-7-2014 261691
A composition of lubricating oil for two stroke gasoline engine and process for the preparation thereof Singh Arun Kumar, Pandey Naval Kishore, Gupta Ashok Kumar 6/6/2014 261148
A biodegradable lubricant composition for two-stroke engine Singh Arun Kumar, Gupta Ashok Kumar 13-5-2014 260611
An improved process for the recovery of extraction solvent from brine solution M.O Garg, M.K Khanna Guru Prasad, B.R Nautiyal, S.M Nanoti, Dharam Paul 25-10-2013 257678
A process for the preparation of petroleum pitch from petroleum refinery extra vaccum residue Srivastava Manoj, Allahbash Shahin, Mandal Susanta, Manoj Kumar, Singh Indra Deo, Garg Madhukar Onkarnath 30-9-2013 257430
A gear oil composition Singh Arun Kumar, Gupta Ashok Kumar, Chhibber Vijay Kumar 12/8/2013 256916
A biodegradable hydraulic fluid composition A K Singh, P C Joshi, A K Gupta 7/8/2013 256889
A biodegradable insulating fluid composition A K Singh , V C Kandwal A K Gupta 15/7/2013 256672
A process for the preparation of lubricants based on hydrogenated vegetable oils V K Chhibber, A K Gupta, O N Anand, Jaideep Mehta, Mahendra Pal, Anju Sharma 16/01/2013 255026
Process for oxidative desulphurization of liquid hydrocarbon fuels by using carboxylic acid-alkali metal peroxoborate as oxidation system Bir Sain,TV Rao, B R Nautiyal, S M Nanoti, Y K Sharma, M O, A K Gupta 25/7/2012 253487
A composition of insulating fluid and process for the preparation thereof A K Singh, N K Pandy,A K  Gupta 

15/06/2012

253025

A process for metal working fluid from heavy aklylate A K Singh, O N Anand, A K Gupta 12/04/2012

251864

A process for the desulphurization of liquid hydrocarbon fuels M O Garg, Bir Sain, M K Khanna, B R Nautiyal, S M Nanoti, T V Rao, Dharam Paul, Y K Sharma, G Das, Jasvinder Singh,  C D Sharma, Basant Kumar

26/03/2012

 

251607

 
A process for converting the C5-Cc6 paraffins rich light naptha cut into aromatics and LPG P Vijayanand, Sarvajeet Singh 31/01/2012 250830
A process for the preparation of cracking catalyst for the maximization of olefinic LPG R P Badoni, Uma Shanker, M O  Garg, Mool Chand, Shailendra Tripathi, V V D N Prasad, Babu Lal, Neeraj Atheya, J K Gupta, Manoj Kumar, K  K Singh, L D Sharma 06/01/2012 250503
A catalyst and process for preparing secondary alcohols using the catalyst Bhatnagar A K, Gupta A K, Joshi S C, Goyal H B

29/06/2011

248243

A Process For The Preparation Of A Novel Zeolite Catalyst Useful For The Hydro-Isomerization Of Light Alkanes Nagabhatla Viswanadham, Sandeep Kumar Saxena, Sneh Chopra, Lalji Dixit 21/03/2011 246902
A Process For Metalworking Fluid Composition A K Singh, A K Gupta 08/12/2010 244501
Corrosion Inhibitor Formulation Useful For Temperary Protection Of Metal And Allies

Savita Kaul, Rakesh Chandra Saxena, Bir Sain,

Ananthakrishnan Jayraman, Virendra Kumar Bhatia

24/08/2010 242364
A Process For The Preparation Of Refined Grade Naphthalene From Pyrolysis Tar Himmat Singh, Manoj Srivastava, Indra Deo Singh, Truga Sundara Rama Prasada Rao, Sneh Chopra, Siya Ram 17/08/2010 242156
A Process For The Production Of Ecofriendly Wear And Friction Reducing Additives From Microbial Lipids Source Dilip Kumar Adhikari, Ram Bilash Choudhary, Virendra Singh Saini, Anuj Baruah, Vijay Kumar Chhibber 17/08/2010 242154
A Method For The Preparation Of Superactive Acidic Bimetallic Continuous Catalytic Reforming (Ccr) Catalyst Dayal Singh Rawat, Raghunath Prasad Mehrotra, Ashok Kumar Saxena, Vijao Singh Dangwal, Turuga Sundara Rama Prasada Rao 16/08/2010 242142
An Improved Process For The Fractionation Of Hard Microcrystalline Waxes To Produce Different Melting Grade Of Waxes Kumar S, Agarwal Km, Khan Hu 03/06/2010 240839
Improved Process For Preparing Fatty Acid Alkylesters Using As Biodiesel Ashok Kumar Gupta, Ajay Kumar Bhatnagar, Savita Kaul 04/03/2010 239072
A Process For Preparing Olefin Sulphonates Yadav R, Bhatnagar Ak, Gupta Ak 24/03/2009 232979
An Improved Process For The Removel Of Phenols From Industrial Wast Waters Goswami An,Nanoti A,Ganguly Sk,Rawat Bs,Aswal Sm 21/03/2009 232838
A Process For The Production Of High-Octane Gasoline From Straight Run Light Naphtha On Pt Containing Hzsm-5 Molecular Sieve Catalyst

Vijayanand P, Dhir Sm, Dixit L, Chopra S

18/03/2009 232571
A Process For Preparation Of Novel Catalyst And Their Application For Fixed Bed Sweetening Of Sour Petroleum Distilates Agrawal; Brij Bahadur (Dehradun, In); Puri; Som Nath (Dehradun, In); Das; Gautam (Dehradun, In); Sain; Bir (Dehradun, In); Balodi; Bhagwati Prasad (Dehradun, In); Kumar; Sunil (Dehradun, In); Kumar; Anil (Dehradun, In); Gupta; Pushpa (Dehradun, In); Prakash; Jai (Dehradun, In); Tyagi; Onkar Singh (Dehradun, In); Rao; Turuga Sundara Rama Prasada (Dehradun, In); Rai; Gur Pratap (Mumbai, In) 16/03/2009 232337
A Process For The Fixed Bed Sweetening Of Petroleum Distillates Using Halogentated Metal Phthlocynine As A Catalyst Sain B, Puri S, Das, G, Balodi Bp, Kumar S, Kumar A, Kapoor Vk, Bhatia Vk, Rao Tsrp, Rai Gp 15/03/2009 232143
A New Process For The Preparation Of 100ll Aviation Gasolin Virendra Kumar Kapoor, Suresh Chandra Vishnoi, Vidya Bhushan Kapoor, Turuga Sundara Rama Prasada Rao 08/03/2009 231701
An Improved Process For The Preparation Of Fluid Catalytic Cracking (Fcc) Catalyst

Uma Shanker, Rp Badoni, Mool Chand, Babu Lal, Vvdn Prasad, Neeraj Atheya, A Singh, Jk Gupta, Sd Phatak, Sn Suresh, Tsrp Rao, S Ghosh, S Makhija,

M Santra, Mp Kuvettu, Sanjay Kumar Ray, V Krishnan, Sukumar Mandal, Gs Mishra, Shankar Sharma, M Karthikeyan

08/03/2009 231702
A Method For The Preparation Of Novel Wash Coat Of High Stability Strong Adherence With Substrate Adn Functions As An Excellent Support For Novel Metal Catalysts Dayal Singh Rawat , Vijay Singh Dangwal , Raghunath Prasad Mehrotra , Amar Kumar Jain , Laxmi Narain , Budh Prakash Pundir , Manoj Kumar , Anand Singh , Prem Pal ,Lakshmi Datt Sharma , Rajesh Kumar , Manoj Kumar Runda , Virendra Kumar Kapoor , Kanchan Kumar Gandhi , Turuga Sundra Rama Prasada Rao 06/03/2009 231569
An Process For The Extraction Of Aromatics From Petroleum Streams Mohan Krishan Khanna , Shrikant Madhusudan Nanoti , Bhagat Ram Nautiyal , Dharam Paul , Bachan Singh Rawat , Madhukar Onkarnath Garg , Alok K Saxena , Pradeep Kumar , Guru Prasad 05/03/2009 231486
A Process For The Conversion Of Natural Gas Liquid To Liquified Petroleum Gas And High Octane Gasoline Perupogu Vijayanand, Nagabhatla Viswanadham, Yogesh Kumar Kucchal, Jai Krishna Gupta, Om Prakash Gupta, Alok Saxena Chiunchu Raghuvera Prasad, Har Parkash Chandna, Anil Kumar De, Ranjan Ghosh, Ashim Kumar Nandi Roy, Ravi Agarwal 28/02/2009 230855
A Process For Liquid - Liquid Sweetening Of Lighter Petroleum Distillates Using Metal Phthalocyanine Sulphonamide Catalyst Sain B, Puri Sn, Das G, Balodi Bp, Kumar S, Kumar A, Bhatia Vk, Kapoor Vk, Rai Gp, Rao Tsrp 28/02/2009 230888
An Improved Process For The Production Of Cyclopentane From Light Petroleum Fraction Rawat Bs, Jpshi Rk, Khanna Nk, Nanoti Sm, Prasad G, Nautiyal Br, Paul D, Garg Om, Kapoor Vb 28/02/2009 231040
A Process For The Preparation Of A Novel Bifunctional Ion Exchange Resin Catalyst Useful For The Etherification Of Fluid Catalytic Cracking Light Gasoline Punetha Ak, Shankar U, Narasimha K, Rao Tsrp, Ray N 27/02/2009 230560
A High Efficiency Domestic Oil Pressure Stove (Offset Burner Type) Dobhal Kn, Arora Al 23/01/2009 227898
An Improved Process For The Dealumination Of Zeolite Y Shanker U, Badoni Rp, Suresh S, Singh Kk, Kumar M, Tripathi S, Prasad Vvdn, Sharma Ld, Lal B, Moolchand 20/01/2009 227832
A Process For Sweetening Of Lpg, Light Petroleum Distillates By Liquid- Liquid Extraction Sain B, Puri Sn, Das G, Balodi Bp, Kumar S, Kumar A, Bhatia Vk, Kapoor Vk, Rai Gp, Rao Tsrp 23/12/2008 226702
An Improved Process For The Manufacture Of Paring Bitumen Umesh Chandra Gupta, Joginder Shah Bahl 22/12/2008 226609
An Improved Process For The Preparation Of Alkane Sulphonates Yadav R, Bhatnagar Ak, Gupta Ak 13/10/2008 224356
An Improved Process For The Preparation Of Ethyl Acetate Aggarwal R, Bhatnagar Ak, Gupta Ak 04/08/2008 222257
An Improved Single Column Pressure Swing Adsorption (Psa) Cycle For The Seperation Of Helium From Mixtures With Oxygen And Nitrogen Nanoti A, Singh I, Gupta P, Bhasker Pn, Goswami An, Garg Mo 29/07/2008 222214
A Process For The Preparation Of Metal Fulerant Cracking Catalyst Uma Shankar, Mool Chand, Rajendra Prasad Badoni, Babu Lal, Vemulapalli Venkata Durga Nagendra Prasad, Anand Singh, Neeraj Atheya, Surendra Mohan Suresh, Manoranjan Santra,Satyen Kumar Das, Sukumar Mandal, Shankar Sharma, Satish Makhija, Sobhan Ghosh 14/07/2008 221994
A Novel Process For The Preparation Of Lpg And Transportation Fuel From Vacuum Gas Oil Uma Shanker, Rajendra Prasad Badoni, Neeraj Atheya, Brij Mohan Lal Bhatai, Chandra Dutt Sharma, Dhirendra Singh Aswal 23/06/2008 221449
An Improved Fuel Efficient Commercial Lp-Gas Burner / Canteen Burner Avinashi Lal Arora, Kuldip Narain Dobhal, Kripal Singh Kambo 19/06/2008 221205
An Improved Process For The Preparation Of Catalysts And Their Application For Aweetening Of Lpg And Light Petroleum Distillates Sain; Bir (Dehradun, In); Puri; Som Nath (Dehradun, In); Das; Gautam (Dehradun, In); Balodi; Bhagwati Prasad (Dehradun, In); Kumar; Sunil (Dehradun, In); Kumar; Anil (Dehradun, In); Kapoor; Virendra Kumar (Dehradun, In); Bhatia; Virendra Kumar (Dehradun, In); Rao; Turuga Sundara Rama Prasada (Dehradun, In); Rai; Gur Pratap (Mumbai, In) 16/05/2008 220176
 A New Process For The Preparation Of Group Ii/Group Iii Himmat Singh, Preeti Sahai, Girja Shanker Choudhary, Truga Sundara Rama Prasada Rao 19/03/2008 216805
An Improved Process For The Production Of Pure Light Aromatics --- 11/03/2008 216246
An Improved Process For The Preparation Of Sulphurised Derivatives Of Non-Traditional Vegetalbe Oil Useful As Extreme Pressure Antiwear Additives Onkar Nath Anand, Vijay Kumar Chhibber, Kalyan Dutt Neemla, Naval Kishore Pandey, Raj Pal Singh Bisht, Ashok Kumar Gupta 10/03/2008 216128
A Formulation Useful As An Extreme Pressure Antiwear Antifriction Additive For Industrial Gear Oils Onkar Nath Anand, Vijay Kumar Chhibber, Kalyan Dutt Neemla, Naval Kishore Pandey, Raj Pal Singh Bisht, Ashok Kumar Gupta 04/03/2008 215826
An Improved Process For The Preparation Of High Purity Sodium Alkyl Aryl Sulfonates From Heavy Alkyl Benzenes --- 04/03/2008 215857
An Improved Process For The Preparation Of Paving Grade Bitumens From Waxy Crudes --- 03/03/2008 215714
A Process For The Preparation Of Phospho Sulfurised Derivatives Of Hydrogenated Cardanol Useful As Antiwear Antifriction And Extreme Pressure Additives Onkar Nath Anand, Vijay Kumar Chhibber, Kalyan Dutt Neemla, Naval Kishore Pandey, Raj Pal Singh Bisht, Ashok Kumar Gupta 03/03/2008 215707
An Improved Process For The Preparation Of Alkaline Earth Metal Alkyl Aryl Sulfonates Useful As Rust Preventives Onkar Nath Anand, Arun Kumar Singh, Kalyan Dutt Neemla 03/03/2008 215720
An Improved Process For The Extraction Of Aromatic Hydrocarbons From Kerosene Range Using A Micro Porous Hallow Fibre Membranes --- 21/02/2008 215089
A Process For The Preparation Of Dealuminated Crystalline Aluminosilicate Zeolite -Y Mehrotra Rp,Rao Tsrp,Moolchand,Phatak Sd,Babulal,Suresh S 15/11/2007 196931
A Process For The Conversion Of Heavy Normal Paraffins (Hnp) To Lpg And Liquid Transportation Fuel --- 30/03/2007 196975
A Process For Making Impregnating Pitch From Fcc Recycle Stocks Of Waxy Crudes Himmat Singh, Manoj Srivastava, Indra Deo Singh, Pranab Kumar Mukhopadhyay, Turuga Sundara Rama Prasada Rao 08/12/2006 199693
A Rpocess For The Preparation Of Fluid Catalytic Cracking (Fcc) Catalyst Uma Shanker, Rajendra Prasad Badoni, Madhav Upadhyay, Neeraj Athaya, Moolchand, Babulal, Shib Datt Bhagat, Raghunath Prasad Mehrotra, Turuga Sundara Rama Prasada Rao 24/11/2006 202354
A Process For The Preparation Of Novel Modified Zsm-5 Bhalerao Ut,Patwari An,Rao Bv,Bhramaramba K,Krishnaiah A, Rajaram S,Raju Pvk 17/11/2006 202355
A Process For The Preparation Of Microporous Crystalline Titanium Silicate Prashant Kumar, Surendra Nath Suresh, Gudimella Murali Dhar,Turuga Sundara Rama Prasada Rao 06/10/2006 199836
A Process For The Preparation Of Bio-Fuel Virendra Kumar Bhatia, Korlipara Venkata Padmaja, Sachin Karma, Neeraj Atheya, Rajendra Prasad Badoni, Madhav Upadhyaya 22/09/2006 199686
An Improved Process For Making Electrode Grade Petroleum Binder Pitch Himmat Singh, Manoj Srivastava, Indra Deo Singh, Turuga Sundara Rama Prasada Rao 11/08/2006 197372
An Improved Multi Directional Stand Useful For A Portable Burner System --- 11/08/2006 194633
A Process For Synthesis Of Porous Crystalline Vanadium Silicate By Sol-Gel Technique Prashant Kumar, Gudimella Murali Dhar, Surendra Nath Suresh, Turuga Sundara Rama Prasada Rao 21/04/2006 195810
An Improved Process For The Preparation Of Hydrogen Ated Polyalphaolefins Saxena Mp,Kulsreshtha Tn,Bangwal D,Sharma Sk,Bhandari Gs 17/03/2006 194996
An Improved Process For The Preparation Of Novel Fcc Catalyst Using Modified Crystalline Molecular Sieve And Silica Alumina Matrix Raghunath Prasad Mehrotra Sadanand Dattatreya Phatak Nirmalya Ray Jai Krishna Gupta Anand Singh Mool Chand Dayal Singh Rawat Vijay Singh Dangwal Surendranath Suresh Uma Shankar Turuga Sundara Rama Prasada Rao All Indian 03/03/2006 194836
A Process For Making Petroleum Perived Pitch For Conversion Into Carbon Fibres Himmat Singh , Manoj Srivastava , Indra Deo Singh , Pranab Kumar Mukhopadhyay 10/02/2006 194351
A Device Useful For Evaluating Corrosion Inhibitors Used For Corrosion Control Of Overhed Distillation Units Ananthakrishnan Jayaraman Indian Rakesh Chandra Saxena Indian Stanley Portion Indian 20/01/2006 193954
A Process For The Recovery Of Methyl (Ester Of Butylated Hydroxy Phenyl) Propionic Acid From Waste Streams Of Polyol Based Phenol Type High Temperature Anti Oxidants Bhatnagar Ak,Joshi Gc,Joshi Sc,Sharma Pk,Gupta Ak,Goel Hb,Sharma Kg 30/06/2004 191631
An Improved Process For The Production Of Pure Aromatics Rawat Bs,Naithani J,Prasad G,Khanna Mk,Nanoti Sm,Paul D,Rao Tsrp 30/06/2004 191653
An Improved Two Stroke Engine With Selective Exhaust Gas Recirculation Saxena M 30/06/2004 191458
A Process For The Preparation Of Novel Porous Crystalline Synthetic Material Constituted By Silicon, Zinc And Aluminium Oxides Useful As A Catalyst For The Preparation Of Lpg And High Octane Aromatics Pradhan Ar,Viswanadhan N,Suresh S,Ray N,Shanker U,Rao Tsrp 07/06/2004 191297
An Improved Distillate Fuel Oil Compositon Having Improved Cold Clow Characteristics Chatterjee Ak,Murthy Ps,Kumar K,Joshi Gc 26/04/2004 191253
An Improved Distillate Fuel Oil Composition Having Improved Cold Flow Characteristics Chatterjee Ak,Murthy Ps,Kumar K,Joshi Gc 26/04/2004 191252
An Improved Process For The Preparation Of Impregnating Type Electrode Pitch Singh H,Srivastava M,Singh Id,Mukhopadhyay Pk 12/04/2004 191106
An Improved Solvent Extraction Process For The Production Of Special Boiling Solvents Using Nmp Solvent Rawat Bs,Khanna Mk,Nanoti Sm,Prasad G,Naithani J,Paul D,Nautiyal Br,Rao Tsrp 22/03/2004 191005
A Composition Useful As A Quenching Oil For Heat Treatment Of Steel Shukla Ds,Bisht Rps,Shukla Bm,Jain Vk 15/03/2004 190559
An Improved Process For The Preparation Of 3-(Hydroxy Phenyl) Propionate Ester From Sterically Hindered Pentaerythrital And Methyl Ester Of Phenyl Substituted Propoinic Acid Bhatnagar Ak,Joshi Gc,Joshi Sc,Sharma Pk,Gupta Ak,Goyal Bh,Sharma Kg,Kumar K 23/01/2004 189476
An Improved Process For The Simultaneous Extraction Of Aromatics And Non-Aromatics From Naptha Acid Kerosene Bachan Singh Rawat Mohan Krishan Khanna Shrikant Madhusudan Nanoti Guru Prasad Jyotsana Naithani Bhagatram Nautiyal Dharam Paul-All Indian 23/01/2004 189517
An Improved Process For The Preparation Of Trialkyl Borate Esters Bhatia Vk,Goel Pk,Bisht Rs,Sivasankaran Gap 23/01/2004 189284
An Improved Process For The Preparation Of Lpg And High Actane Aromatic Hydrocarbons From Non-Economically Viable Petroleum Food Stocks Over A Zinc Aluminosilicate Molecular Sieve Catalyst Pradhan Arc,Viswanadham N,Sharma Ml,Shanker U,Ray N,Rao Srp 01/01/2004 189406
A Process For The Production Of High Purity Petrochemical Grade Hexane From Food Grade Hexane Goswami An,Nanoti A,Sharma Sk,Gupta Tcsm,Rawat Bs,Singh N,Hnagpal Jm,Tewari Gb,Aswal Sm 10/10/2003 189162
An Improved Process For The Separation Of Aromatics And Non-Aromatics From Feedstocks Of Kerosene Range Petroleum Fraction And Recovering The Extract Hydrocarbons Rawat Bs,Khanna Mk,Nanoti Sm,Prasad G,Naithani J,Nautiyal Br,Paul D,Kumar B 10/10/2003 189165
An Improved Process For The Production Of Lpg And High Octane Or Aromatic Hydrocarbons (Btx)From Natural Gas Condensate Using A Novel Zinc Aluminosilicate Pradhan Ar,Viswanandham N,Shanjker U,Ray N,Rao Tsrp 23/09/2003 188969
An Improved Burner Useful In Metal Processing Industries Singh Tn,Agrawal Kk 19/09/2003 188965
An Improved Process For The Preparation Of Methyl (3,5 Di-Tert-Butyl-4-Hydroxy Phenyl) Propionate Bhatnagar Ak,Joshi Gc,Joshi Sc,Sharma Pk,Gupta Ak,Gupta Opsubramanian Cli 19/09/2003 188962
A Process For The Preparation Of Sulphurized Karauja Oil For The Use As An Extreme Pressure Additive Bisht Rjs,Bhatia Vk 19/09/2003 188966
An Improved Process For The Preparation Of Impregnating Type Electrode Pitch Singh H,Srivastva M,Singh Id 05/09/2003 188897
A New Composition Useful Hot Rolling Of Steel Pal M;Shukla Bm;Jain Vk;Nautiyal Pc;Singhal S;Sethuramiah A;Ratti P 05/09/2003 188899
A Process For The Preparation Of A Novel Catalyst Useful For The Preparation Of Lpg And High Octane Aromatics Pradhan Arc,Ray N,Viswanandham N,Gupta Op,Shanker U,Rao Tsrp 14/08/2003 188718
An Improved Process For The Conversion Of H2s To Elemental Sulphur Verma Ps,Rao Tv,Jayaraman A,Murthy

Psn,Joshi Gc,Rao Tsrp,Prasad G,Masohan A,Rawat Bs,Siddiqui Ma,Mukherjee A,Michale G

14/08/2003 188715
An Improved Process For Preparation Of Carboxylic Acids By One Step Oxidation Of Hydrocarbons Kulsershtha Gn,Saxena Mp,Gupta Ak,Goyal Hb,Prasad R,Rao Tsrp,Patel Pd 01/08/2003 188688
An Improved Process For The Extraction Of A Mixture Of Linear Terminal Olefins And Linear Paraffin From Coke Distillates Kulsreshtha Gn,Saxena Mp,Moolchandra R 11/07/2003 188540
An Improved Catalyst Formulation Useful For The Desulphurization Of Gas Streams Containing Hydrogen Sulphide Verma Ps,Rao Tv,Murthy Psn Joshi Gc,Rao Ptsr,Prasad G,Masohan A,Rawat Bs,Siddiqui Ma,Mukherjee A,Michale G 20/06/2003 188331
A Soluble Cutting Oil Tyagi Mr,Bisht Rps,Bhatia Vk,Chandra P 09/05/2003 188253
A Process For Seperation Of Parafinic Wax From Foots Oil Using A Yeast Strain Adhikari Dk,Saini Vs,Sista Vr 13/03/2003 187996
An Improved Process For Preparation Of Carboxylic Acids By One Step Oxidation Of Hydrocarbons Kulsreshtha Gn,Saxena Mp,Gupta Ak,Goyal Hb,Prasad R,Rao Tsrp,Patel Pd 13/03/2003 187995
A Device For Conducting Controlled Velocity Corrosion Test In A Vaccum Distillation Unit Jayaraman A,Neemla Kd,Singh N,Portion S,Saxena Rc 13/03/2003 188027
An Improved Process For The Preparation Of Aromatic Hydrocarbons And Lpg Pradhan Arc,Ray N,Viswanandhamn,Sharma Mlphatak Sdt,Muralidhar G,Shanker U 13/03/2003 187992
An Electronic Device For Time Delay And Low/High Voltage Protection Singh J,Kapoor Dl 07/03/2003 187881
A Process For The Preparation Of Jojoba Oil Analogues From Non Edible Seed Oils Kaul S,Bhatia Vk 28/02/2003 187925
A Process For The Preparation Of Jojoba Estolide Having Improved Pour Point And Long Chain Falty Acids From Jojoba Oil Bhatia Vk,Kaul S,Kapoor Vb 11/10/2002 187293
An Improved Process For The Preparation Of White Oils. Singh H,Choudhary Gs 21/06/2002 186799
An Improved Method For The Manufacture Of Extreme Pressure Industrial Gear Oil Bisht Rjs,Sivasankaran Gap,Kashyap M,Bhatia Vk 19/04/2002 186525
A Distillate Fuel Oil Composition For Improved Cold Flow. Chatterjee Ak,Murthy Psn,Kumar K,Joshi Gc 15/02/2002 186252
Am Improved Process For The Separation Of Aromatic Hydrocarbons From Mixture Containing Such Hydrocarbons And Nonaromatics Boiling In The Range Of Straight Run Naphtha And Kerosene Goswami An,Sharma A,Rawat Bs,Sharma Sk,Gupta Tcsm 18/01/2002 186028
An Improved Process For The Production Of Adipic Acid Kulsreshtha Gn,Shanker U,Sharma Js,Singh J 21/12/2001 185944
A Device For Dual Fuel Operation Of Diesel Engines With Alcohols Kumar D,Jain Ak,Gondal Ak,Singh Ip,Gandhi Kk,Singhal S,Pundir Pp 21/12/2001 185941
A Composition For Cutting Oil. Bisht Rs,Tyagi Mr,Bhatia Vk,Nautiyal Pc 21/12/2001 185926
An Improved Gas Burner And Gas Stove Incorporating The Burner. Bhambi Pn,Bobhal Kn,Arora Al 14/12/2001 185904
An Improved Process For The Microbial Dewaxing Of Heavier Petroleum Fraction (B.P. 350-500 Deg. C) Adhikari Dk,Saini Vs,Sista Vr 07/09/2001 185598
An Improved Process For The Preparation Of Anhydrous Ketone Sharma Pk,Joshi Sc,Bhatnagar Ak,Gaharwar Rs,Joshi Gc 29/12/2000 184103
An Improved Process For The Simultaneous Preparation Of Adipic Acid By Oxidation Of Cyclohexane Using A Cobalt Catalyst And Recovering The Catalyst Kulsreshtha Gn,Saxena Mp,Joshi Gc 10/03/2000 183057
An Improved Process For The Preparation Of Tetramethylene Sulfone Jauhri Ks,Gupta Ak,Goyal Hb,Sharma Kg,Ghosh Tk,Bhattacharya Kkbadoni Rp 17/12/1999 182632
An Improved Process For The Preparation Of Saturated Fatty Alcohols From Jojoba Oil By Catalytic Hydrogenolysis Bhatia Vk,Saxena Mp,Sharma Js,Sharma A 29/10/1999 182407
An Improved Wick Raising And Lowering Device For Liquid Fuel Burning Wick Appliances Singh N,Kambo Ks,Bhambi Pn 05/03/1999 180866
An Improved Process For The Preparation Of Micro Crystalline Waxes Bahl Js,Gupta Hsuc,Tandon D 28/08/1998 179800
An Improved Process For The Recovery Of Long Chain ( C18-C24) Mono Unsaturated And Saturated Fatty Alcohols And Fatty Acids From Hydrogenated Jojoba Oil Bhatia Vk,Saxena Mp,Sharma A,Kapoor Vb 24/04/1998 179013
An Improved Process For Long Chain (C18-C24)Monounsaturated And Saturated Fatty Alcohols And Fatty Acids From Jojoba Oil Or Hydrogeneated Jojoba Oil Bhatia Vk,Saxena Mp,Sharma A,Kapoor Vb 24/04/1998 178981
An Improved Process For The Preparation Of Hydrogenated Jojoba Oil Bhatia Vk, Saxena Mp,Bangwal D 24/04/1998 178998
An Improved Process For The Preparation Of Alkyl Benzenes Gupta Ak,Prasad R 31/10/1997 178150
An Imrproved Process For The Demulsification Of Kerosene In Water Emulsion Goswamy An,Sharma A,Rawat Bs 19/09/1997 177871
An Improved Process For The Preparation Of Liquid Para Tertiary Octyl Phenol Sharma Pk,Joshi Sc,Bhatnagar Ak,Gaharwar Rs,Joshi Gc,Bhattacharya Kk 05/09/1997 177750
An Improved Smoke Meter For Measurement Of Smoke Density Of Exhaust Gases Of Ic Engines Singh N,Singh J,Kapoor Dl 09/05/1997 177111
A Process For The Preparation Of An Extreme Pressure Industrial Gear Oil Using Sulphurised Jojoba Oil Sivasankaran Gap,Bisht Rps,Bhatia Vk,Kashyap M,Chhibber Sk 07/03/1997 176835
An Improved Atomising Film Burner Nath Bp;Kumar Mh 28/04/1995 174231
A Device For Automatic Uninterrupted Single Phase Power Supply From A Three Phase Power Supply Source Nath Roy R 18/02/1994 170228
An Improved Process For The Sulphurisation Of Jojoba Oil For Use As An Extreme Pressure Additive Bhatia Vk,Chaudhry A,Bisht Rs,Sivasankaran Gap 18/02/1994 169857
Method For The Manufacture Of An Extreme Pressure Industrial Gear Oil Sivasankaran Gap,Bhist Rps,Chhibber Sk,Bhatia Vk,Chaudhry A 18/02/1994 169856
A Process For The Preparation Of A Feed Stock Of Kerosene Range Petroleum Fractions Having Boiling Range Between 130-275c With Reduced Aromatics Khanna Mk,Rawat Bs,Krishna R,Garg Mo,Chopra Sj,Joshi Sk,Ghoshal Pc,Bhagwat R,Mehrotra R 29/08/1993 170747
An Improved Solvent Extraction Process For The Separation Of Benzene And C5-C6 Non Aromatics From Feed Stock Of Naphtha Range Petroleum Fractions Rawat Bs,Krishna R,Khanna Mk,Goswami An,Nanoti Sm,Paul Jdd 04/09/1992 168536
An Improved Process For The Phosphosulphidated Jojoba Oil Useful As Multifunctional Additive For Lubricating Oil Bhatia Vk,Chaudhry A 24/01/1992 168794
Lubricating Oil Composition For Two Stroke Petrol Engines Sivasankaran Ga,Bist Rs,Jain Vk,Gupta M,Bhatia Vk 10/01/1992 167936
A Theft Alarm System Roy Rn 20/09/1991 167670
An Improved Three Phase Motor Starter With Inbuilt Single Phase Preventor Roy Rn 01/03/1991 166228
An Improved Solid Waste Incinerator Bhambi Pn,Kambo Ks,Jaiswal Uk 09/11/1990 166312
A Process For Preparing Polymer Bonded Clay Useful For Surface Treatment, Water Proofing And Moth Proofing Of Articles Bhattacharyya Kk,Chatterjee Ak 02/02/1990 164775
An Improved Two-Stroke Engine Radzimirski Sr,Sazena M,Kumar R 25/01/1990 164773
An Improved Hurricane Lantern Bhambi Pn,Kamboks,Dobhal Kn 30/06/1989 163841
An Improved Device For Starting Air Conditioner Units Roy R 23/03/1989 163177
An Improved Process For The Selective Separation Of Linear Terminal Olefinic Hydrocarbons And N-Paraffins From Petroleum Fractions Bhattacharya Kk,Kulshrestha N,Ssaxena Mp,Joshi Gc 27/01/1989 162876
Improved Wick Stove Arora Al,Singh Tn 29/07/1988 150566
An Improved Liquified Petroleum Gas Stove Bhambi Pn,Dobhal Kn,Arora Al 24/06/1988 160360
An Improved Burner For Use With Fluid Fuels Madan Hk,Singh T-N,Bambi,Pn 17/06/1988 159881
A Modified Starter For A Single Phase Induction Motor Roy Rn,Tellewar Ps 17/06/1988 160011
A Catalytic Process For The Isomerisation Of Alkyl Aromaic Compounds Vishnoi S,Sivasanker S,Ratansamy P 03/06/1988 160197
A Process For The Preparation Of Catalyst For Isomerisation Of Alkyl Aromatic Compounds Vishnoi S,Sivasankar S,Ratnasamy P 06/11/1987 158462
Process For The Preparation Of Plasticizer Material For Use In Plastics Industry Choudhary Gs,Singh H,Gulati Ib 03/07/1987 157865
Improved Liquid Fuel Fired Industrial Burners Jaiswal U K,Kambo K S,Bhambi P N,Gulzjuk V L 24/04/1987 156025
An Improved Liquid Fuel Burner For Industrial Furnaces Bhambi Pn,Madan Hk,Gudziuk Vl 10/04/1987 157677
An Improved Liquid Fuel Fired Burner Jaiswal Uk,Kambo Ks,Gudzjuk Vl,Bhambi Pn 20/03/1987 157696
Film Burner Bhambi Pn,Madan Hk,Gudziuk Vl 30/05/1986 156126
An Improved Solid Fuel Stove Jaiswal Uk,Kambo Ks,Gudzjuk Vl,Bhambi Pn 11/04/1986 154751
An Improved Process For Producing Hard Microcrystalline Wax Of Low Oil Content --- 13/09/1985 154004
An Improved Process For Sweetening Of Sour Petroleum Distillates Agrawal Bb,Bahl J,Fish Sf,Puri Sn,Gulati Ib 27/04/1985 153190
Improved Wick Stove Bhambi P,Arora Al 20/04/1985 154301
Multistage Atomising Burner Madan Hk,Singh Tn,Bhambi Pn 16/02/1985 153023
An Improved Process For The Sweetening Of Petroleum Distillates Containing Mercapto-Sulphur Compounds Agarwal Bb,Bahl Js,Fish Sf,Puri S,Gulati Ib 21/07/1984 152541
An Improved Process For The Separation Of N-Paraffins Hydrocarbons From Petroleum Fractions Sista Vr,Srivastava Gc,Sodhi Js,Chander D,Gulati
Ib,Kohli R
21/07/1984 152240
An Improved Process For The Preparation Of Polybutenes Murthy Ps,Gupta Ak,Sharma Pk,Bhatnagar Ak,Joshi Gc,Bhattacharya Kk 01/10/1983 151084
Improved Process For The Re-Refining Of Used Lubricating Motor Oils Rawat Bs,Gulati Ib,Khanna Mk & Prasad G 11/12/1981 148643
An Improved Process For Solvent Deoiling Of Crude Micracrystalline Wax Agrawal Km,Ghildiyal Rc & Kumar Y 11/12/1981 148641
An Insulated Stove Bhambi Pn, Khanna Sk 07/11/1981 146756
A Vaccum Guard Badami Vrnr 11/09/1981 147991
Improved Extrusion Device For Plastic Materials For Use In Chemical And Food Industries Grover Sb,Phull Ps,Ray Rn 25/07/1981 147722
A Process For The Separation Of N Paraffinic Hydrocarbons Of Carbon Range C12-25-C Present In Kerosene And Light Diesel Oil Fractions By Microbial Means Sista Vr,Srivastva Gc 07/09/1979 145843
An Improved Process For The Preparation Of Borium/Calcium Petroleum Sulphonates Useful As Detergent Dispersant Additives For Motor Oils Anand On,Malik Up & Anand Ks 04/08/1979 145732
A Smokemeter For Measurment Of Smoke Density Of Exhaust Gases Of Diesel Vehicle Rana Nvik,Sewak Hs,Sharma Od,Pundir Bp,Phullps,Dave Jm 04/08/1979 145761
High Out-Put Stove Bhambi Pn,Khanna Sk,Arrora A 30/06/1979 144803
A Process For The Production Of Barium/Calcium Petrolium Sulphonates Useful As Detergent-Despersant Additives For Motor Oils Anand On,Malik Vp,Anand Ks 03/02/1979 143469
An Improved Process For The Preparation Of Para-Tertiary Butyl Phenol Bhattacharya Kk,Gaharwar Rs,Sharma Pk 29/07/1978 143026
Device For Cold Starting Of Ic Engines Gupta Rb 15/04/1978 142704
A Burner Bhambi Pn,Khanna Sk,Shama Ak 10/03/1978 142182
A Process For The Production Of Ichthammol From Crude Oil Fraction --- 18/09/1976 138222
A Process For The Production Of Proteinaceous Microbial Foodstuff And Apparatus Therefor --- 18/09/1976 124360
Loop Device --- 12/03/197 137300
A Regulator For Controlling The Supplementry Fuel-Flow In A Diesel Engine For Compasating Power Loss At High Altitues --- 20/12/1974 133262
A Stove Suited For Domestic Use --- 26/07/1974 135479
Process For Hydrocarbon Purification By Selective Hydrogenation --- 05/07/1974 131022
A Microreactor Of New Design For Reaction Gas Chromatography Incorporating Dual Channels --- 03/05/1974 130552
Device For Cold Starting Of Ic Engines By Priming Starter Fluid --- 05/04/1974 133261
An Improved Process For The Preparation Of Alkyl Nitrate Esters From Aliphatic Alcohols --- 18/06/1971 124000
An Improved Process For The Preparation Of Alkyl Nitrate Esters From Alicyclic Alcohols --- 18/06/1971 123999
An Improved Process For The Preparation Of Substituted Alkyl Nitrate Esters From Glycol Ethers --- 18/06/1971 123998
New Support Material For Gas Chromatography --- 09/06/1971 122025
A Process For Preparation Of Alkyl Nitrate Esters --- 28/05/1971 120116
A Process For Separation Of Pure Aromatics Or Olefins --- 29/01/1971 118326
High Altitude Automatic Mixture Corrector --- 29/01/1971 115206
High Altitude Regulator For Diesels --- 28/04/1970 114540
A Process For The Production Of Hydrous Or Anhydrous Lanolin (Superfine Grade Or Better) From Wool Grease --- 02/11/1968 106419
A Wick Sleeve To Improve The Non-Making Illumination When Burning Oil In A Cylindrical Wick Lamp --- 18/07/1968 105059
A Process For The Production Of A Pure Aromatics Such As Benzene Toluene, Xylenes, Naphthalene Etc From Pure --- 07/10/1967 101630

 
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