Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632769 | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Antonio Gutierrez, Darrell W. Brownawell, Ricardo Bloch | 1986-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632769 | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Antonio Gutierrez, Darrell W. Brownawell, Ricardo Bloch | 1986-12-30 |