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Knowledge base The IPR generated by the Institute is protected by filing patents in India and abroad. The list of patents filed by the Institute since 1990 is as follows

Sl.No. Title / Description Date of file Country Patent no. and date
1. An electronics device for time delay and low/high voltage protection of electrical / electronic equipment 10-16-90 India 1021/Del/90
2. A process for the preparation of jojoba estolide having improved pour point and long chain fatty acids from jojoba oil. 09-08-93 India 991/Del/93
3. A process for the preparation of jojoba oil analogues from non-edible seed oils. 09-08-93 India 992/Del/93
4. A soluble cutting oil 11-05-93 India 1236/Del/93
5. A modified process for the hydrocarbons & LPG from St hydrocarbons over ZSM-5 zeolite the aid of organic 12-28-93 India 1462/Del/93
6. A device useful for conducting controlled velocity corrosion test in a vacuum distillation unit 20-05-94 India 1470/Del/93
7. A process for the preparation of a catalyst useful for the preparation of carboxylic acids by oxidation of Hydrocarbons 03-22-94 India 312/Del/94
8. An improved process for the preparation of carboxylic acids by oxidation of hydrocarbons 03-22-94 India 313/Del/94
9. An improved process for the dewaxing of foots oil using micro organism. 03-29-94 India 348/Del/94
10. An improved process for the preparation of methyl (3.5 Ditert-Butyl-4-Hydroxy phenyl propionate)

 05-20-94 India 634/Del/94
11. A new process to make impregnating type electrode pitch from petroleum feed stocks. 06-02-94 India 692/Del/94
12. A Catalyst formulation useful for the desulphurization of Gas streams containing hydrogen sulphide with simultaneous production of sulphur in liquid phase 06-02-94 India 697/Del/94
13. A process for the conversion of Hydrogen sulphide (H 2 S) to elemental sulphur 06-02-94 India 698/Del/94
14. A composition useful for hot rolling of steel 06-02-94 India 706/Del/94
15. An improved process for the simultaneous extraction of aromatics and non aromatics from Naphtha and kerosene. 06-24-94 India 788/Del/94
16. A process for the preparation of novel acrylates which are useful as cold flow improvers for diesel fuels. 07-11-94 India 867/Del/94
17. An improved distillate fuel oil composition having improved cold flow characteristics 07-11-94 India 868/Del/94
18. An improved process for the extraction of linear terminal olefin-linear paraffin from coker distillates 07-11-94 India 869/Del/94
19. An improved process for the production of LPG and high octane aromatic hydrocarbons from non-economically viable petroleum feed stocks 07-11-94 India 871/Del/94
20. An improved burner useful in metal processing industries 07-27-94 India 942/Del/94
21. A process for the production of high purity petrochemical grade hexane from food grade hexane 09-27-94 India 959/Del/94
22. An improved process for the preparation of tri alkyl borate esters 08-04-94 India 989/Del/94
23. A process for the preparation of sulphurised karanja oil for use as an extreme pressure additive 08-04-94 India 995/Del/94
24. A process for the preparation of a novel catalyst useful for the preparation of LPG and high octane aromatics 09-23-94 India 1198/Del/94
25. A process for the production of LPG and high octane aromatic hydrocarbons from natural gas condensate using a novel zinc aluminosilicate molecular sieve catalyst. 09-23-94 India 1199/Del/94
26. An improved process for extraction of aromatics from kerosene sulfolane using re-extraction route for Hydrocarbon recovery from extract phase. 09-29-94 India 1224/Del/94
27. A process for the recovery of mehtyl (Ester of butylated hydroxyphenyl) propionic acid from waste streams of polyol based phenol type high temperature antioxidants 09-29-94 India 1226/Del/94
28. An improved process for the preparation of 3-hydroxyphenyl propionate ester from sterically hindered pentaerythritol and methyl ester of phenyl substituted propionic acid 09-29-94 India 1231/Del/94
29. An improved process for the production of pure aromatics 02-07-95 India 177/Del/95
30. An improved process for the preparation for the preparation of the impregnating type electrode pitch 03-17-95 India 498/Del/95
31. Catalyst comprising oxides of silicon, zinc & Al used for the preparation of LPG and High Octane Aromatics and A process for preparing the same 03-31-95 India 600/Del/95
32. A composition useful as a quenching oil for heat treatment of steel 03-31-95 India 602/Del/95
33. An improved solvent extraction process for the production of special boiling solvents using NMP solvents 03-31-95 India 603/Del/95
34. A process for the preparation of dealuminated crystalline alumino-silicate zeolite specially zeolite - Y 07-04-95 India 1247/Del/95
35. An improved two stroke engine with selective exhaust gas recirculation 07-05-95 India 1249/Del/95
36. A device useful for operation a two stroke engine with compressed natural gas and a two stroke engine fitted with the said device 07-05-95 India 1251/Del/95
37. A process for making petroleum derived pitch for conversion into carbon fibers 12-29-95 India 2449/Del/95
38.

An improved process for the preparation of hydrogenated poly alpha olefines 01-25-96 India 160/Del/96
39. An improved process for the removal of phenols from waste water 03-11-96 India 498/Del/96
40. The procedure for the preparation of novel fluid catalytic cracking (FCC) catalyst using modified crystalline alumino silicate molecular sieve and silica alumina matrix with improved catalytic performance 11-29-96 India 2625/Del/96
41. Process for the preparation of a novel modified ZSM-5 zeolite 11-29-96 India 2627/Del/96
42. A process for the synthesis of porous crystalline vanadium silicate by sol gel technique 03-27-97 India 799/Del/97
43 A device useful for evaluating corrosion inhibitors used for control of overhead distillation units. 08-04-97 India 1863/Del/97
44. A process for the preparation of bio fuel 10-10-97 India 3062/Del/97
45. Synthesis of crystalline synthetic materials comprised of silica and titanium oxides prepared by sol-gel techniques 12-30-97 India 3823/Del/97
46. An improved process for the preparation of novel fluid catalytic cracking (FCC) catalyst using modified crystalline molecular sieve and silica alumina matrix 03-24-98 India 742/Del/98
47. A process to make paving grade bitumen from waxy crudes using composition linked kinetic concepts. 04-24-98 India 1118/Del/98
48. A process for the conversion of Heavy normal Paraffins to LPG and liquid transportation fluid 05-15-98 India 1305/Del/98
49. An improved process for the preparation of high purity alkyl aryl sulfonates. 05-15-98 India 1306/Del/98
50. An improved process for preparation of alkaline earth Alkyl Aryl sulfonates as rust preventors. 05-15-98 India 1307/Del/98
51. An improved process for extraction of aromatic hydrocarbons from kerosene range using microporous hollow fibre membranes 11-27-97 India 1309/Del/98
52. An improved process for the production of pure aromatics 06-18-98 India 1677/Del/98
53. An improved multidirectional stand useful for a portable burner system 08-13-98 India 2386/Del/98
54. A formulation useful as an extreme pressure antiwear & antifriction additives for industrial gear oils. 08-26-98 India 2521/Del/98
55. Sulfurised and phospho sulfurised derivatives of non traditional vegetable oil and Alkyl phenols as extreme pressure antiwear and antifriction additives 08-26-98 India 2522/Del/98
56. An improved process for the preparation sulfurised derivatives of non-traditional vegetable oils useful as extreme pressure, antiwear additives 08-26-98 India 2523/Del/98
57. An improved process for making electronic grade petroleum pitch binder 12-24-98 India 3834/Del/98
58. A process for making imprignating pitch form FCC recycle stocks of waxy crudes 12-24-98 India 3835/Del/98
59.

An improved fuel efficient commercial LPG canteen burner 12-31-99 India 1597/Del/99
60. A new process for the preparation of Group II / Group III lubricating oil 03-09-00 India 205/Del/2000
61. A process for the manufacture of paving bitumen 03-16-00 India 240/Del/2000
62. An improved process for the preparation of fluid catalytic cracking (FCC) catalyst 03-16-00 India 241/Del/2000
63. A new process for the preparation of 100LL aviation gasoline 03-16-00 India 242/Del/2000
64. A process for the preparation of metal tolerant cracking catalyst 03-16-00 India 243/Del/2000
65. A novel process for the preparation of liquified petroleum gas & transportation fuel from VGO 03-16-00 India 245/Del/2000
66. Corrosion inhibitor formulation useful for temporary protection of metal alloys 11-01-00 India 962/Del/2000
67. A process for the preparation of novel eco- friendly antiwear and antifriction additives 11-01-00 India 966/Del/2000
68. A process for preparation of refined grade naphthalene from pyrolysis tar 11-01-00 India 968/Del/2000
69. A improved process for the preparation of a super active acidic bimetallic continuous catalyst reforming (CCR) catalyst 11-03-00 India 986/Del/2000
70. A process for preparation of novel catalyst useful for sweetening of sour petroleum distillates 11-17-00 India 1030/Del/2000
71. An improved process for the preparation of a catalyst useful for liquid-liquid sweetening of LPG and light petroleum distillates 11-17-00 India 1032/Del/2000
72. A process for the fixed bed sweetening of petroleum distillates using halogenated metal pthalocyanine as a catalyst 12-15-00 India 1159/Del/2000
73. A process for the conversion of Natural Gas Liquid to Liquefied Petroleum Gas and High Octane Gasoline. 01-05-01 India 0010/Del/2001
74. An improved industrial gas burner 01-05-01 India 014 Del 2001
75. A method for preparation of novel wash coat of high stability, strong adherence with substrate and functions as an excellent support for novel metal catalyst 03-29-01 India 390/Del/2001
76. A method for the preparation of a novel bifunctional ion exchange catalyst useful for etherification of FCC light gasoline 03-30-01 India 421/Del/2001
77. An Improved process for production of cyclopentane from light petroleum stream 03-30-01 India 430/Del/2001
78 A process for preparation of novel catalyst useful for sweetening of sour petroleum distillates 03-13-01 USA 09/804985
79. An improved process for the preparation of a catalyst useful for liquid-liquid sweetening of LPG and light petroleum distillates 03-13-01 USA 09/804994
80. A process for the fixed bed sweetening of petroleum distillates using halogenated metal pthalocyanine as a catalyst 03-13-01 USA 09/804993
81. A process for sweetening of LPG, light petroleum distillates by liquid-liquid extraction using metal phthalocyanine sulphonamide catalyst 03-26-01 USA 09/817758
82. Preparation of halogenated metal pthalocyanine catalyst suitable for sweetening the petroleum products 03-30-01 UK GB2372501
83. Metal phthalocyanine sulphonamide and their use as sweeteners for LPG and light petroleum distillates 03-30-01 UK GB2371300
84. Process for sweetening petroleum distillates using halogenated metal pthalocyanine catalyst 03-30-01 UK GB2371556
85. Sweetening LPG/ light petroleum distillates using metal phthalocyanine sulphonamide catalyst 03-30-01 UK GB237390
86. A process for preparation of novel catalyst useful for sweetening of sour petroleum distillates 03-30-01 Germany
87. An improved process for the preparation of a catalyst useful for liquid-liquid sweetening of LPG and light petroleum distillates 03-30-01 Germany DE 10115893
88. A process for the fixed bed sweetening of petroleum distillates using halogenated metal pthalocyanine as a catalyst 03-30-01 Germany DE10115940
89. A process for sweetening of LPG, light petroleum distillates by liquid-liquid extraction using metal phthalocyanine sulphonamide catalyst 03-30-01 Germany DE 10115725
90. A process for preparation of novel catalyst useful for sweetening of sour petroleum distillates 03-30-01 France FR2816853

0104388

91. An improved process for the preparation of a catalyst useful for liquid-liquid sweetening of LPG and light petroleum distillates 03-30-01 France FR 2816854/

0104416

92. A process for the fixed bed sweetening of petroleum distillates using halogenated metal pthalocyanine as a catalyst 03-30-01 France FR2818282

0104417

93. A process for sweetening of LPG, light petroleum distillates by liquid-liquid extraction using metal phthalocyanine sulphonamide catalyst 03-30-01 France FR 28168371

0104421

94.

A process for the production of high-octane gasoline from straight run light naphtha on Pt containing HZSM-5 molecular sieve catalyst 03-28-02 India 390Del2002
95. A High Efficency Domestic Oil Pressure Stove (Offset Burner Type) 03-28-02 India 0396Del2002
96. An improved process for the fractionation of hard microcrystalline waxes to produce different melting grade of waxes 03-28-02 India 0406DEl2002
97. An Improved Process for the Preparation of Ethyl Acetate 03-28-02 India 0409Del2002
98. An improved process for the preparation of alkane sulfonates 03-28-02 India 0410Del2002
99. An Improved Process for the Dealumination of Zeolite Y 09-30-02 India NF201/2002
100. A process for the preparation of Vanadyl pyrophosphate catalysts with improved structural characteristics for the selective oxidation of butane to malic anhydride 10-30-02 India 1090Del2002
101 A catalyst and process for preparing secondary alcohols using the catalyst 11-11-02 India 1131Del2002
102 Process for the preparation and recovery of secondary alcohols 11-11-02 India 1134Del2002
103 A dual catalyst system for the preparation of secondary alcohols 11-11-02 India 1132Del2002
104. An improved process for the preparation of secondary alcohol by oxidation of alkanes 11-11-02 India 1133Del2002
105 A novel catalyst and process for the preparation of secondary alcohol 11-11-02 India 1130Del2002   
 
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