Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540904 | Process for the upgradation of petroleum residue | Priya Bandhu Chowdhury, Kashi Nath Bhattacharya, Achinta Kumar Roy, Umanand Sharma, Swapan Kumar Ghosh +8 more | 2003-04-01 |