Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835128 | Method for reducing the effects of metals on FCC catalysts | Ajit V. Sapre | 1989-05-30 |
| 4812430 | NO.sub.x control during multistage combustion | — | 1989-03-14 |
| 4812431 | NOx control in fluidized bed combustion | — | 1989-03-14 |