Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889614 | Methods for retarding coke formation during pyrolytic hydrocarbon processing | — | 1989-12-26 |
| 4828674 | Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium | — | 1989-05-09 |
| 4804456 | Method for controlling fouling deposit formation in petroleum hydrocarbons or petrochemicals | — | 1989-02-14 |