Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7514559 | Catalyst for synthesis of 2- and 4-picolines | Pashupati Dutta, Subhash Roy, Tarun Kanti Goswami | 2009-04-07 |
| 7455827 | Process for preparing a catalyst for conversion of cyanopyridines to nicotinamides | Subhash Chandra Ray, Baldev Singh, Hiralal Prasad, Prodyot Kumar Sarkar, Pashupati Dutta +2 more | 2008-11-25 |
| 7345176 | Process for conversion of cyanopyridines to nicotinamides and catalyst therefor, process for preparing said catalyst | Subhash Chandra Ray, Baldev Singh, Hiralal Prasad, Prodyot Kumar Sarkar, Pashupati Dutta +2 more | 2008-03-18 |
| 6734309 | Process for the synthesis of isonicotinic acid hydrazide | Subhash Chandra Ray, Lakshmi Narayan Nandi, Baldev Singh, Hiralal Prasad, Sumant Maharaj +4 more | 2004-05-11 |