Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996367 | Process for making 4,4'-dihydroxydiphenyl sulfone | Andreas Ernst | 1991-02-26 |
| 4634541 | Color stabilizers for zinc dithiophosphates | Joseph J. Valcho | 1987-01-06 |
| 4496495 | Stabilization of phosphorodithioic acid diesters | Steven E. Lindberg | 1985-01-29 |
| 4278781 | Catalyst and process for the polymerization of ethylene and terminal olefins | David E. Boone | 1981-07-14 |
| 4188299 | Oil soluble dithiophosphoric acid derivatives of mercaptothiadiazoles | — | 1980-02-12 |
| 4185008 | Flame retardant compositions | Wassily Poppe | 1980-01-22 |