Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975399 | Regeneration of hydrotreating catalyst | — | 1990-12-04 |
| 4895816 | Support material containing catalyst for fixed hydrofining beds | Simon G. Kukes | 1990-01-23 |
| 4888316 | Preparation of hydrotreating catalyst from spent catalyst | Dennis R. Kidd | 1989-12-19 |
| 4828683 | Hydrofining employing a support material for fixed beds | Simon G. Kukes | 1989-05-09 |
| 4762814 | Hydrotreating catalyst and process for its preparation | Stephen L. Parrott | 1988-08-09 |
| 4707246 | Hydrotreating catalyst and process | Stephen L. Parrott | 1987-11-17 |
| 4693991 | Hydrotreating catalyst composition | Geir Bjornson, Douglas D. Klendworth, Floyd E. Farha, Jr. | 1987-09-15 |
| 4657663 | Hydrotreating process employing a three-stage catalyst system wherein a titanium compound is employed in the second stage | Robert J. Hogan, Edward L. Sughrue, II, John W. Myers | 1987-04-14 |
| 4655906 | Hydrotreating process employing a novel catalytic composition | Geir Bjornson, Douglas D. Klendworth, Floyd E. Farha, Jr. | 1987-04-07 |
| 4652546 | Hydrogel derived catalyst of zinc titanate and alumina promoted with cobalt and molybdenum for hydrodesulfurization or hydrodenitrogenation | Arthur W. Aldag, Jr. | 1987-03-24 |
| 4522709 | Catalytic hydrodesulfurization or hydrodenitrogenation | Arthur W. Aldag, Jr. | 1985-06-11 |
| 4394301 | Catalytic hydrocracking, hydrodesulfurization, and/or hydrodenitrogenation of organic compounds employing promoted zinc titanate and a zeolite as the catalytic agent | — | 1983-07-19 |
| 4389304 | Catalytic hydrodesulfurization or hydrodenitrogenation of organic compounds employing alumina promoted with zinc, titanium, cobalt and molybdenum as the catalytic agent | Alan D. Eastman | 1983-06-21 |
| 4389305 | Catalytic hydrodenitrogenation of organic compounds employing promoted zinc titanate | Floyd E. Farha, Jr., Alan D. Eastman, Lewis E. Drehman | 1983-06-21 |
| 4376698 | Catalytic hydrodesulfurization of organic compounds employing promoted zinc titanate | Floyd E. Farha, Jr., Alan D. Eastman | 1983-03-15 |
| 4376699 | Catalytic hydrocracking, hydrodesulfurization, and/or hydrodenitrogenation of organic compounds employing promoted zinc titanate and a zeolite as the catalytic agent | — | 1983-03-15 |
| 4372842 | Catalytic hydrocracking, hydrodesulfurization, and/or hydrodenitrogenation of organic compounds employing promoted zinc titanate and a zeolite as the catalytic agent | — | 1983-02-08 |
| 4371728 | Selective removal of olefins over zinc titanate promoted with selected metals | Floyd E. Farha, Jr. | 1983-02-01 |
| 4371458 | Catalytic compounds employing alumina promoted with zinc, titanium, cobalt and molybdenum as the catalytic agent | Alan D. Eastman | 1983-02-01 |
| 4371507 | Catalytic hydrogenation of olefins, hydrodesulfurization of organic sulfur compounds and/or selective removal of hydrogen sulfide from fluid streams | Floyd E. Farha, Jr. | 1983-02-01 |
| 4333855 | Promoted zinc titanate as catalytic agent | Floyd E. Farha, Jr., Alan D. Eastman, Lewis E. Drehman | 1982-06-08 |
| 4324647 | Catalytic hydrocracking, hydrodesulfurization, and/or hydrodenitrogenation of organic compounds employing promoted zinc titanate and a zeolite as the catalytic agent | — | 1982-04-13 |
| 4313820 | Hydrodesulfurization of organic sulfur compounds and hydrogen sulfide removal with incompletely sulfided zinc titanate materials | Floyd E. Farha, Jr. | 1982-02-02 |
| 4313017 | Selective hydrogenation of polynuclear aromatic reactants | Roger N. McGinnis, Floyd E. Farha, Jr. | 1982-01-26 |
| 4287050 | Catalytic hydrodesulfurization of organic compounds employing alumina promoted with zinc titanate, cobalt and molybdenum as the catalytic agent | Alan D. Eastman | 1981-09-01 |