Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8222180 | Adsorbent composition for removal of refractory sulphur compounds from refinery streams and process thereof | Sarvesh Kumar, Alex Cheru Pulikottil, Alok Sharma, Ujjwal Manna, Ram Prakash Verma | 2012-07-17 |
| 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, Satyen Kumar Das, Pankaj Kumar Kasliwal +6 more | 2006-04-18 |
| 6855653 | Process for preparing hydro-desulfurization catalyst | Alex Cheru Pulikottil, Hillol Biswas, Mani Karthikeyan, Dharmendra Kumar Yadav, Ram Prakash Verma | 2005-02-15 |
| 6284218 | Process for preparing an hydrothermally stable, large crystallite sized, highly crystallite sized, highly crystalline synthetic faujasite zeolite | Mohan Prabhu Kuvettu, Venkatachalam Krishnan, Sanjay Kumar Ray, Christopher J, Ganga Shanker Mishra +3 more | 2001-09-04 |
| 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 |
| 6114267 | Process for the preparation of fluidized catalytic cracking (FCC) catalyst | Sobhan Ghosh, Satish Makhija, Mohan Prabhu Kuvettu, Ventachalam Krishnan, Sanjay Kumar Ray +2 more | 2000-09-05 |
| 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 |