Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238780 | Solvent extraction process for removal of naphthenic acids and calcium from low asphaltic crude oil | Harender Bisht, Asit Kumar Das, Bibeka Hazarika, Biswajit Shown, D. P. S. Rana +5 more | 2016-01-19 |