Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491887 | Supported sulfur compositions and the preparation and use thereof | Tin-Tack Peter Cheung, David E. Legg | 2002-12-10 |
| 5898012 | Compositions comprising inorganic oxide and process for producing mercaptans | Dean E. Stinn, Harold J. Swindell, Marvin M. Johnson | 1999-04-27 |
| 5776331 | Process to remove sulfur using zinc containing sorbent subjected to steam treatment | Gyanesh P. Khare | 1998-07-07 |
| 5733836 | Compositions comprising inorganic oxide and process for producing mercaptans | Dean E. Stinn, Harold J. Swindell, Marvin M. Johnson | 1998-03-31 |
| 5726117 | Sorbent compositions containing zinc subjected to a steam treatment | Gyanesh P. Khare | 1998-03-10 |
| 5536692 | Isomerization catalyst and use thereof in isomerization of saturated hydrocarbons | An-hsiang Wu | 1996-07-16 |
| 5474964 | Hydrocarbon isomerization catalyst and use thereof | An-hsiang Wu, Marvin M. Johnson, Fan-Nan Lin | 1995-12-12 |
| 5387566 | Binding and shaping of cracking catalyst fines | Randall A. Porter, Jesse R. Harris | 1995-02-07 |
| 5360632 | Reduced leaching of arsenic and/or mercury from solid wastes | Marvin M. Johnson, Maybin Simfukwe, Gerhard P. Nowack | 1994-11-01 |
| 5358921 | Selective removal of hydrogen sulfide over a zinc oxide and silica absorbing composition | Dennis R. Kidd, Gary A. Delzer, Paul F. Schubert | 1994-10-25 |
| 5248489 | Selective removal of hydrogen sulfide over a zinc oxide and silica absorbing composition | Dennis R. Kidd, Gary A. Delzer, Paul F. Schubert | 1993-09-28 |
| 5220091 | Alkane dehydrogenation | Francis M. Brinkmeyer, Kelly Savage, Gyanesh P. Khare | 1993-06-15 |
| 5202298 | Process for preparing carbonate supports and catalysts | Paul F. Schubert, Ralph E. Bonnell, Norman L. Freeman, Jr., Denton C. Fentress, Kent E. Mitchell +2 more | 1993-04-13 |
| 5151401 | Preparation of dehydrogenating catalyst | Paul F. Schubert, Dennis R. Kidd | 1992-09-29 |
| 5141904 | Reactivation of spent cracking catalysts | Chia-Min Fu, Richard E. Lowery, Michael K. Maholland | 1992-08-25 |
| 5128298 | Potassium carbonate supports and catalysts | Paula F. Schubert | 1992-07-07 |
| 5108975 | Composition and method of making high porosity, high strength compositions | Paul F. Schubert | 1992-04-28 |
| 5021377 | Demetallization and passivation of spent cracking catalysts | Michael K. Maholland, Chia-Min Fu, Richard E. Lowery, Brent J. Bertus | 1991-06-04 |
| 4937059 | Absorption and desorption of carbon dioxide | John H. Kolts, James B. Kimble | 1990-06-26 |
| 4876410 | Catalyst support, and catalyst for olefin dimerization | Warren M. Ewert, Charles A. Drake | 1989-10-24 |
| 4835330 | Glass powder promoter for carbonate supported catalyst and olefin dimerization processes therewith | Charles A. Drake | 1989-05-30 |
| 4810688 | Catalyst support and catalyst for olefin dimerization | Warren M. Ewert, Charles A. Drake | 1989-03-07 |
| 4774215 | Glass powder promoter for carbonate supported catalyst | Charles A. Drake | 1988-09-27 |
| 4727213 | Potassium carbonate supports, catalysts and processes therewith | Charles A. Drake | 1988-02-23 |
| 4700004 | Conversion of mercaptans to disulfides with soluble cobalt catalyst system | Gary D. Macdonell | 1987-10-13 |