Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769043 | Oil containing dispersant VII olefin copolymer | Benjamin J. Kaufman, Christopher S. Liu | 1988-09-06 |
| 4715975 | Oil containing dispersant VII olefin copolymer | Benjamin J. Kaufman, Christopher S. Liu | 1987-12-29 |