Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157185 | Alkylation of aromatics | David O. Marler, John P. McWilliams | 1992-10-20 |
| 4927521 | Method of pretreating a naphtha | — | 1990-05-22 |
| 4927525 | Catalytic reforming with improved zeolite catalysts | — | 1990-05-22 |
| 4916097 | Method for activating zeolites containing organic cations | John P. McWilliams | 1990-04-10 |
| 4899011 | Xylene isomerization process to exhaustively convert ethylbenzene and non-aromatics | Charles T. Kresge, Rene B. LaPierre | 1990-02-06 |
| 4885426 | Transalkylation of polyaromatics | David O. Marler, John P. McWilliams | 1989-12-05 |
| 4847055 | Process for ZSM-11 production | — | 1989-07-11 |
| 4822941 | Conversion of aliphatics to aromatics over a zeolite catalyst | David J. Baillargeon | 1989-04-18 |
| 4696732 | Simultaneous hydrotreating and dewaxing of petroleum feedstocks | Philip J. Angevine, Kenneth M. Mitchell, Stephen M. Oleck, Stuart S. Shih, Robert C. Wilson, Jr. | 1987-09-29 |
| 4694114 | Process for isomerizing alkyl aromatic hydrocarbons utilizing ZSM-23 zeolite and a hydrogenation/dehydrogenation metal | James C. Vartuli | 1987-09-15 |
| 4686312 | Aromatics production | Arthur W. Chester | 1987-08-11 |
| 4663492 | Active zeolite catalysts of improved stability for producing gasoline from methanol | Arthur W. Chester | 1987-05-05 |
| 4605678 | Separation of catalyst from slurry bubble column wax and catalyst recycle | James A. Brennan, Arthur W. Chester | 1986-08-12 |
| 4595702 | Conversion of synthesis gas to liquid hydrocarbons | James A. Brennan, Arthur W. Chester | 1986-06-17 |
| 4594146 | Conversion with zeolite catalysts prepared by steam treatment | Arthur W. Chester | 1986-06-10 |
| 4592828 | Process for upgrading petroleum residua | Stuart S. Shih | 1986-06-03 |
| 4522929 | Active zeolite catalysts of improved stability | Arthur W. Chester | 1985-06-11 |
| 4523047 | Process for syngas conversions to liquid hydrocarbon products utilizing ZSM-45 zeolite | Arthur W. Chester, Tai-Sheng Chou | 1985-06-11 |
| 4490569 | Process for converting propane to aromatics over zinc-gallium zeolite | Arthur W. Chester | 1984-12-25 |
| 4482773 | Catalyst for xylene isomerization | Fritz A. Smith, Arthur W. Chester | 1984-11-13 |
| 4471145 | Process for syngas conversions to liquid hydrocarbon products utilizing zeolite Beta | Tai-Sheng Chou, Arthur W. Chester | 1984-09-11 |
| 4469909 | Heavy aromatics process | Arthur W. Chester | 1984-09-04 |
| 4429176 | Active zeolite catalysts of improved stability | Arthur W. Chester | 1984-01-31 |
| 4423265 | Process for snygas conversions to liquid hydrocarbon products | Tai-Sheng Chou, Arthur W. Chester | 1983-12-27 |
| 4392989 | Zinc-gallium zeolite | Arthur W. Chester | 1983-07-12 |