Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245221 | Desulfurization process for refractory organosulfur heterocycles | William C. Baird, Jr., Gary B. McVicker, James J. Schorfheide, Darryl P. Klein, Sylvain Hantzer +4 more | 2001-06-12 |
| 6241952 | Countercurrent reactor with interstage stripping of NH3 and H2S in gas/liquid contacting zones | Ramesh Gupta | 2001-06-05 |
| 6224749 | Liquid and vapor stage hydroprocessing using once-through hydrogen | Ramesh Gupta, Henry Jung, Gerald E. Markley | 2001-05-01 |
| 6221240 | Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics | Darryl P. Klein, Michele S. Touvelle, Carl W. Hudson, Sylvain Hantzer, Jingguang Chen +5 more | 2001-04-24 |
| 6193877 | Desulfurization of petroleum streams containing condensed ring heterocyclic organosulfur compounds | Gary B. McVicker, William C. Baird, Jr., James J. Schorfheide, Michel Daage, Darryl P. Klein +2 more | 2001-02-27 |
| 6153086 | Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage | Ramesh Gupta, Henry Jung, James J. Schorfheide, Larry L. Iaccino | 2000-11-28 |
| 6123830 | Integrated staged catalytic cracking and staged hydroprocessing process | Ramesh Gupta | 2000-09-26 |
| 6103106 | Desulfurization and ring opening of petroleum streams | Gary B. McVicker, James J. Schorfheide, William C. Baird Jr., Michele S. Touvelle, Michel Daage +4 more | 2000-08-15 |
| 6054041 | Three stage cocurrent liquid and vapor hydroprocessing | William E. Lewis, David C. Dankworth, Ramesh Gupta | 2000-04-25 |
| 6036844 | Three stage hydroprocessing including a vapor stage | Ramesh Gupta, Henry Jung, Gerald E. Markley | 2000-03-14 |
| 6007787 | Countercurrent reaction vessel | Ramesh Gupta, David C. Dankworth, Dennis D. Fleming, James J. Schorfheide | 1999-12-28 |
| 5985131 | Hydroprocessing in a countercurrent reaction vessel | Ramesh Gupta, David C. Dankworth, Dennis D. Fleming, James J. Schorfheide | 1999-11-16 |
| 5968346 | Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal | Henry Jung, Ramesh Gupta, William E. Lewis | 1999-10-19 |
| 5942197 | Countercurrent reactor | Ramesh Gupta, Jeffrey W. Frederick, David C. Dankworth, Dimitrios M. Tsangaris | 1999-08-24 |
| 5939031 | Countercurrent reactor | Jeffrey W. Frederick, Ramesh Gupta, David C. Dankworth, Dimitrios M. Tsangaris | 1999-08-17 |
| 5935420 | Desulfurization process for refractory organosulfur heterocycles | William C. Baird, Jr., Gary B. McVicker, James J. Schorfheide, Darryl P. Klein, Sylvain Hantzer +4 more | 1999-08-10 |
| 5928498 | Desulfurization and ring opening of petroleum streams | Gary B. McVicker, James J. Schorfheide, William C. Baird, Jr., Michele S. Touvelle, Michel Daage +4 more | 1999-07-27 |
| 5925239 | Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics | Darryl P. Klein, Michele S. Touvelle, Carl W. Hudson, Sylvain Hantzer, Jingguang Chen +5 more | 1999-07-20 |
| 5871635 | Hydroprocessing of petroleum fractions with a dual catalyst system | Ramesh Gupta, William E. Lewis | 1999-02-16 |
| 5770044 | Integrated staged catalytic cracking and hydroprocessing process (JHT-9614) | Ramesh Gupta, Martin G. Bienstock | 1998-06-23 |
| 5770043 | Integrated staged catalytic cracking and hydroprocessing process | Ramesh Gupta, Martin G. Bienstock | 1998-06-23 |
| 5763731 | Process for selectively opening naphthenic rings | Gary B. McVicker, Michele S. Touvelle, Carl W. Hudson, David E. W. Vaughan, Michel Daage +5 more | 1998-06-09 |
| 5670116 | Hydroprocessing reactor with enhanced product selectivity | Ramesh Gupta | 1997-09-23 |
| 5582711 | Integrated staged catalytic cracking and hydroprocessing process | Ramesh Gupta, Martin G. Bienstock | 1996-12-10 |