Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331564 | Catalyzing the sulfurization of olefins by tertiary phosphines, and an oil based material containing an additive amount of a sulfurized olefin so produced | Karl P. Kammann, Jr. | 1982-05-25 |