Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384138 | Process and compositions | Richard J. Lee | 1983-05-17 |
| 4253974 | Oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine | Joseph J. Valcho | 1981-03-03 |