Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604222 | Method for the preparation of 2-chloro sulfinyl azetidinones | Niranjan Lal Gupta, Ramanathan Sankaran | 1997-02-18 |
| 5578721 | Process for preparation of 3-exomethylene cepham sulfoxide esters | Niranjan Lal Gupta, Ramanathan Sankaran, Shibu B. Varughese | 1996-11-26 |