| Sl.No. |
Title / Description |
Date of file |
Country |
Patent no. and date |
| 1. |
An improved two-stroke engine |
01-25-90 |
India |
164773 |
| 2. |
A process for preparing polymer bonded day useful for surface treatment, water proofing and Moth proofing of articles |
02-02-90 |
India |
164775 |
| 3. |
An improved solid waste Incinerator |
10-09-90 |
India |
166312 |
| 4. |
An improved three phase motor starter with inbuilt single phase preventor |
03-01-91 |
India |
166228 |
| 5. |
Lubricating oil composition for two stroke petrol engines |
01-10-92 |
India |
167936 |
| 6. |
An improved process for the preparation of phosphosulphidated Jojoba oil ueful as multifunctional additive for lubricating oil |
01-24-92 |
India |
168794 |
| 7. |
An improved solvent extraction process for the separation of benzene and C 5 -C 6 non aromatic from feed stock of naphtha range petroleum fraction. |
09-04-92 |
India |
168536 |
| 8. |
A solvent extraction process for the separation of aromatics and no-aromatics from a feed stock of kerosene range petroleum fractions |
08-29-93 |
India |
170747
|
| 9. |
A method for the manufacture of an extreme pressure industrial gear oil |
02-18-94 |
India |
169856 |
| 10. |
An improved process for the sulphurisation of jojoba oil for use as an extreme pressure additive |
02-18-94 |
India |
169857 |
| 11. |
Software package of calculation for mass spectrometric analysis of petroleum samples boiling in kerosene range. |
03-02-94 |
India |
Reg No. L/14359/94 |
| 12. |
An improved atomising film burner |
04-28-95 |
India |
174231 |
| 13. |
A process for the preparation of Catalyst and a process for preparing Carboxylic acids using the catalyst |
08-20-96 |
USA |
5,547,905
|
| 14. |
An improved process for the production of an extreme pressure industrial gear oil using sulphurised jojoba oil |
03-07-97 |
India |
176835
|
| 15. |
An improved exposure control system for IIP smokemeter |
05-09-97 |
India |
177111 |
| 16. |
A process for the preparation of a catalyst useful for the preparation of /carboxylic acids by oxidation of hydrocarbons |
09-12-97 |
Taiwan |
086608
|
| 17. |
An improved process for the demulsificationof kerosene in water emulsion |
09-19-97 |
India |
177871
|
| 18. |
An improved process for the preparation of liquid para tertiary octyl phenol |
09-05-97 |
India |
177750
|
| 19. |
An improved process for the preparation of alkyl benzenes |
10-31-97 |
India |
178150 |
| 20. |
An Improved Process for the Preparation of Hydrogenated Jojoba Oil |
04-24-98 |
India |
178998 |
| 21. |
An improved process for the long chain (C 18 -C 24 ) monounsaturated and saturated fatty alcohols and fatty acids from Jojoba oil or hydrogeneated jojoba oil |
04-24-98 |
India |
178981 |
| 22. |
An improved process for the recovery of long chain ( C 18 -C 24 ) monounsaturated and saturated fatty alcohols and fatty acids from Hydrogenaged jojoba oil |
04-24-98 |
India |
179013 |
| 23. |
An improved process for the preparation of micro crystalline waxes |
08-28-98 |
India |
179800 |
| 24. |
An improved wick raising and lowering device for liquid fuel burning wick appliances |
03-05-99 |
India |
180866
|
| 25. |
A Novel catalyst and a process for preparing carboxylic acids using the catalyst |
08-21-99 |
SouthKorea |
0230197. |
| 26. |
Catalyst for preparing carboxylic acid |
09-29-99 |
Europe |
0694333B1 |
| 27. |
process for the production of LPG and High octane aromatics hydrocarbons from non-economical viable petroleum feed stock |
10-05-99 |
USA |
5961818 |
| 28. |
An improved process for the preparation of saturated fatty alcohols from jojoba oil by catalytic hydrogenolysis |
10-29-99 |
India |
182407
|
| 29. |
An improved process for the preparation of tetramethylene sulfone |
12-17-99 |
India |
182632 |
| 30. |
An improved process for the simultaneous preparation of adipic acid by oxidation of cyclohexane using a cobalt catalyst & recovering the catalyst |
03-10-00 |
India |
183057 |
| 31 |
An improved process for the prearation of anhydroys ketone |
06-18-00 |
India |
184103 |
| 32. |
Catalsyt comprising oxides of silicon, zinc & Al used for the preparation of LPG and High Octance Aromatics and A process for preparing the same |
01-23-01 |
USA |
6177324
|
| 33. |
A microbial process for dewaxing of heavier petroleum fraction |
09-07-01 |
India |
185598 |
| 34. |
An improved gas burner and gas stove incorporating the burner |
12-14-01 |
India |
185904 |
| 35. |
A composition for cutting oil |
12-21-01 |
India |
185926 |
| 36. |
A device for dual fuel operation of diesel engines with alcohols |
12-21-01 |
India |
185941 |
| 37. |
An improved process for the production of adipic acid |
12-21-01 |
India |
185944 |
| 38 . |
An 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 |
01-18-02 |
India |
186028
|
| 39. |
An improved method for the manufacture of extreme pressure industrial gear oil |
04-19-02 |
India |
186525 |
| 40. |
A distillate fuel oil composition for improved cold flow |
02-15-02 |
India |
186252 |
| 41. |
An improved process for the preparation of white oils |
06-21-02 |
India |
186799
|
