Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660696 | Thermally stable phosphorothionates as antioxidant, antiwear, friction reducing and extreme pressure lubricant additives from cashew nut shell liquid | Rajeev Ranjan, Ajay Kumar Arora, Rakesh Sarin, Deepak Kumar Tuli, Ram Prakash Verma | 2003-12-09 |
| 6638898 | Process of preparing multi-functional amino di(alkylcyclohexyl) phosphordithioate additive for lubricant composition from saturated cashew nut shell liquid | Krishan Kumar Swami, Shanti Parkash, Rakesh Sarin, Deepak Kumar Tuli | 2003-10-28 |
| 6548459 | Process for preparing rust inhibitors from cashew nut shell liquid | Pankaj Kumar Mondal, Khem Chand Dohhen, Rakesh Sarin, Deepak Kumar Tuli, Niranjan Raghunath Raje | 2003-04-15 |
| 6540904 | Process for the upgradation of petroleum residue | Suhas Ranjan Gun, Priya Bandhu Chowdhury, Kashi Nath Bhattacharya, Achinta Kumar Roy, Umanand Sharma +8 more | 2003-04-01 |