Issued Patents All Time
Showing 1–23 of 23 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 |
| 7462275 | Process for conversion of hydrocarbons to saturated LPG and high octane gasoline | Asit Kumar Das, Debasis Bhattacharyya, Gadari Saidulu, Satayen Kumar Das, Bandaru Venkata Hari Prasad Gupta +15 more | 2008-12-09 |
| 7381322 | Resid cracking apparatus with catalyst and adsorbent regenerators and a process thereof | Kasliwal Pankaj, Rama Rao Marri, Dixit Jagdev Kumar, Saroya Latoor Lal, Sukumar Mandal +1 more | 2008-06-03 |
| 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 |
| 7008595 | Resid cracking apparatus with catalyst and adsorbent regenerators and a process thereof | Kawliwal Pankaj, Rama Rao Marri, Dixit Jagdev Kumar, Saroya Latoor Lal, Sukumar Mandal +1 more | 2006-03-07 |
| 6864202 | Process for preparing sodium silicate alkali solution depleted of sodium salt and enriched in silica | Biswanath Sarkar, Ram Mohan Thakur, Nagesh Samant, Mohan Kuvettu Prabhu, Ravichandran Gopal +4 more | 2005-03-08 |
| 6858556 | Stabilized dual zeolite single particle catalyst composition and a process thereof | Mohan Prabhu Kuvettu, Sanjay Kumar Ray, Gopal Ravichandran, Venkatchalam Krishnan, Satyen Kumar Das +1 more | 2005-02-22 |
| 6613710 | Process for preparation of bi-functional fluid catalytic cracking catalyst composition | Sanjay Kumar Ray, Mohan Prabhu Kuvettu, Venkatchalam Krishnan, Gopal Ravichandran, Kamlesh Gupta +4 more | 2003-09-02 |
| 6540904 | Process for the upgradation of petroleum residue | Suhas Ranjan Gun, Priya Bandhu Chowdhury, Kashi Nath Bhattacharya, Achinta Kumar Roy, Umanand Sharma +8 more | 2003-04-01 |
| 6528447 | Process for the preparation of a catalyst composite | Satish Makhija, Venkatachalam Krishnan, Sanjay Kumar Ray, Mohan Prabhu Kuvettu | 2003-03-04 |
| 6355591 | Process for the preparation of fluid catalytic cracking catalyst additive composition | Mohan Prabhu Kuvettu, Gopal Ravi Chandran, Sanjay Kumar Ray, Kamlesh Gupta, Ganga Shankar Misra +3 more | 2002-03-12 |
| 6267873 | Fluidized catalytic cracking process | Asit Kumar Das, Debasis Bhattacharyya, Sukumar Mandal, Vutukuru Lakshmi Narasimha Murthy, Sanjeev Singh +1 more | 2001-07-31 |
| 6184429 | Oligomerization of alpha-olefins | Rakesh Sarin, Sabyasachi Sinha Ray, Deepak Kumar Tuli, Madan Mohan Rai, Akhilesh Kumar Bhatnagar | 2001-02-06 |
| 6153089 | Upgradation of undesirable olefinic liquid hydrocarbon streams | Asit Kumar Das, Sukumar Mandal, Debasis Bhattacharyya, Ganga Shanker Mishra, Jagdev Kumar Dixit +7 more | 2000-11-28 |
| 6149875 | Fluidized catalytic cracking process and apparatus | Marri Rama Rao, Vutukuru Lakshmi Narasimha Murthy, Sanjeev Singh, Asit Kumar Das, Debasis Bhattacharyya +2 more | 2000-11-21 |
| 6114267 | Process for the preparation of fluidized catalytic cracking (FCC) catalyst | Satish Makhija, Mohan Prabhu Kuvettu, Ventachalam Krishnan, Sanjay Kumar Ray, Manoranjan Santra +2 more | 2000-09-05 |
| 6096678 | Process for the preparation of supported aluminium chloride catalyst containing organo aluminium compound | Sabyasachi Sinha Ray, Rakesh Sarin, Deepak Kumar Tuli, Madan Mohan Rai, Akhilesh Kumar Bhatnagar +4 more | 2000-08-01 |
| 6027696 | Fluidized catalytic cracking apparatus | Asit Kumar Das, Debasis Bhattacharyya, Sukumar Mandal, Vutukuru Lakshmi Narasimh Murthy, Sanjeev Singh +1 more | 2000-02-22 |
| 6015768 | Process for preparation of a heterogeneous catalyst useful for preparation of super high molecular weight polymers of alpha-olefin | Sabyasachi Sinha Ray, Deepak Kumar Tuli, Meeta Sharma, Madan Mohan Rai, Akhilesh Kumar Bhatnagar +2 more | 2000-01-18 |
| 6002060 | Process for oligomerisation of alpha-olefins | Rakesh Sarin, Sabyasachi Sinha Ray, Deepak Kumar Tuli, Madan Mohan Rai, Akhilesh Kumar Bhatnagar +4 more | 1999-12-14 |
| 5922636 | Catalyst for oligomerization of alpha-olefins | Rakesh Sarin, Sabyasachi Sinha Ray, Deepak Kumar Tuli, Madan Mohan Rai, Akhilesh Kumar Bhatnagar | 1999-07-13 |
| 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 |
| 5714661 | Process for the preparation of synthetic lubricant base stocks | Deepak Kumar Tuli, Sabyasachi Sinha Ray, Rakesh Sarin, Madan Mohan Rai, Akhilesh Kumar Bhatnagar | 1998-02-03 |