Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604731 | Process for the production of needle coke | Debasis Bhattacharyya, Satheesh Vetterkunnel Kumaran, Bandaru Venkata Hari Prasad Gupta, Pramod Kumar, Asit Kumar Das +7 more | 2009-10-20 |
| 7029571 | Multi stage selective catalytic cracking process and a system for producing high yield of middle distillate products from heavy hydrocarbon feedstocks | Debasis Bhattacharyya, Asit Kumar Das, Arumugam Velayutham Karthikeyani, Pankaj Kumar Kasliwal, Manoranjan Santra +6 more | 2006-04-18 |
| 6858556 | Stabilized dual zeolite single particle catalyst composition and a process thereof | Mohan Prabhu Kuvettu, Sanjay Kumar Ray, Gopal Ravichandran, Venkatchalam Krishnan, Satish Makhija +1 more | 2005-02-22 |
| 6153089 | Upgradation of undesirable olefinic liquid hydrocarbon streams | Asit Kumar Das, Sukumar Mandal, Sobhan Ghosh, Debasis Bhattacharyya, Ganga Shanker Mishra +7 more | 2000-11-28 |
| 5846402 | Process for catalytic cracking of petroleum based feed stocks | Sukumar Mandal, Suresh Kumarshah, Debasis Bhattacharyya, Vutukuru Lakshmi Narasimha Murthy, Asit Kumar Das +10 more | 1998-12-08 |