Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798819 | Catalyst for control of emission of sulfur oxides | Eugene P. Dai, Edward H. Holst | 1989-01-17 |
| 4716137 | Process of preparing a catalyst containing activated isomerization sites | — | 1987-12-29 |
| 4668655 | Catalyst composition for catalytic cracking | Eugene P. Dai, Edward H. Holst | 1987-05-26 |
| 4626419 | Control of SO.sub.x emission | Eugene P. Dai, Edward H. Holst | 1986-12-02 |
| 4606898 | Control of SO.sub.x emission | Eugene P. Dai, Edward H. Holst | 1986-08-19 |
| 4575417 | Process for catalytic dewaxing with mordenite | — | 1986-03-11 |
| 4536486 | Process for dewaxing with mordenite | — | 1985-08-20 |
| 4489216 | Hydrocarbon isomerization | — | 1984-12-18 |
| 4394254 | Method for separating straight chain hydrocarbons using zeolites having large crystals | Gerald V. Nelson | 1983-07-19 |
| 4388178 | Catalytic cracking process | Joseph A. Durkin, Joseph A. Froelich | 1983-06-14 |
| 4324697 | Fluorided composite catalyst | James C. Vartuli | 1982-04-13 |
| 4324698 | Fluorided cracking catalyst | Joseph A. Durkin, Joseph A. Froelich | 1982-04-13 |
| 4207536 | Dual-adjustment balance circuit for operational amplifiers | — | 1980-06-10 |