Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485023 | Lubricating oil containing Mannich condensation product of ethylene/propylene/carbonyl polymers | John G. Schaffhausen | 1984-11-27 |
| 4473482 | Ethylene/propylene/co polymers | John G. Schaffhausen | 1984-09-25 |
| 4434270 | Ethylene/propylene/vinyl alkyl ketone polymers | John G. Schaffhausen | 1984-02-28 |
| 4424317 | Mannich condensation product of ethylene/propylene/carbonyl polymers | John G. Schaffhausen | 1984-01-03 |
| 4380554 | Polymeric monohydroxybenzenoid hydroquinoid antioxidants | — | 1983-04-19 |
| 4310657 | Polymeric monohydroxybenzenoid hydroquinoid antioxidants | — | 1982-01-12 |
| 4307012 | Polymeric alkylbenzenoid hydroquinoid antioxidants | — | 1981-12-22 |