Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839326 | Promoted molybdenum and tungsten sulfide catalysts, their preparation and use | Thomas R. Halbert, Edward I. Stiefel, Teh C. Ho | 1989-06-13 |
| 4826797 | Carbon-containing molybdenum and tungsten sulfide catalysts | Theresa A. Pecoraro | 1989-05-02 |
| 4824820 | Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal, amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide | Allan J. Jacobson, Teh C. Ho, John J. Steger, Angelo A. Montagna | 1989-04-25 |
| 4820677 | Amorphous, iron promoted Mo and W sulfide hydroprocessing catalysts and process for their preparation | Allan J. Jacobson, Teh C. Ho, Theresa A. Pecoraro | 1989-04-11 |
| 4812227 | Hydrotreating with catalysts comprising mixtures of an amorphous sulfide or trivalent chromium and microcrystallites of molybdenum sulfide or tungsten sulfide | Allan J. Jacobson, Teh C. Ho, John J. Steger, Angelo A. Montagna | 1989-03-14 |
| 4801570 | Process for preparing a supported, promoted molybdenum and/or tungsten sulfide hydroprocessing catalyst | Archie R. Young, Teh C. Ho, Allan J. Jacobson | 1989-01-31 |
| 4795731 | Transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing | Theresa A. Pecoraro, Allan J. Jacobson | 1989-01-03 |
| 4792541 | Hydrotreating catalysts comprising supported, mixed metal sulfide of iron promoted Mo and W and their uses | Teh C. Ho, Archie R. Young, Allan J. Jacobson | 1988-12-20 |
| 4755496 | Supported transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing | Teh C. Ho, Allan J. Jacobson, Archie R. Young | 1988-07-05 |
| 4749673 | Hydrotreating catalysts comprising supported mixtures of a sulfide of trivalent chromium and molybdenum or tungsten | Archie R. Young, Teh C. Ho, Allan J. Jacobson | 1988-06-07 |
| 4748142 | Supported chromium-molybdenum and tungsten sulfide catalysts | Teh C. Ho, Allan J. Jacobson, Archie R. Young | 1988-05-31 |
| 4727135 | Synthesis of polyquinoline by the catalytical dehydrogenative polymerization of tetrahydroquinoline | Long Y. Chiang | 1988-02-23 |
| 4721558 | Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide | Allan J. Jacobson, Teh C. Ho, John J. Steger, Angelo A. Montagna | 1988-01-26 |
| 4716139 | Amorphous sulfide catalysts of trivalent chromium and promoter metals and method of making same | Allan J. Jacobson, Teh C. Ho, John J. Steger, Angelo A. Montagna | 1987-12-29 |
| 4698145 | Supported transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing | Teh C. Ho, Allan J. Jacobson, Archie R. Young | 1987-10-06 |
| 4668376 | Supported, Mn sulfide promoted Mo and W sulfide hydroprocessing catalysts and uses thereof | Archie R. Young, Teh C. Ho, Allan J. Jacobson | 1987-05-26 |
| 4650563 | Transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing | Allan J. Jacobson, Theresa A. Pecoraro | 1987-03-17 |
| 4632747 | Hydrotreating process employing catalysts comprising a supported, mixed metal sulfide iron promoted Mo and W | Teh C. Ho, Archie R. Young, Allan J. Jacobson | 1986-12-30 |
| 4626339 | Supported chromium-molybdenum and tungsten sulfide catalysts | Teh C. Ho, Allan J. Jacobson, Archie R. Young | 1986-12-02 |
| 4622128 | Hydrotreating catalysts comprising supported mixtures of a sulfide of trivalent chromium and molybdenum or tungsten | Archie R. Young, Teh C. Ho, Allan J. Jacobson | 1986-11-11 |
| 4604183 | Catalytic process for hydroconversion of solid carbonaceous materials | Edward H. Edelson, Edward I. Stiefel, Catherine L. Coyle | 1986-08-05 |
| 4591429 | Hydrotreating process employing catalysts comprising a supported mixture of a sulfide of a promoter metal, trivalent chromium and molybdenum or tungsten | Teh C. Ho, Archie R. Young, Allan J. Jacobson | 1986-05-27 |
| 4581125 | Hydrotreating using self-promoted molybdenum and tungsten sulfide catalysts formed from bis(tetrathiometallate) precursors | Edward I. Stiefel, Wie-Hin Pan, Teh C. Ho | 1986-04-08 |
| 4544481 | Supported carbon-containing molybdenum and tungsten sulfide catalysts their preparation and use | Robert L. Seiver | 1985-10-01 |
| 4540482 | Supported carbon-containing molybdenum and tungsten sulfide catalysts, their preparation and use | Robert L. Seiver | 1985-09-10 |