Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616153 | Copolymer dispersants via vinyl terminated propene polymers | Carl A. Mike, Daniel Y. F. Yu | 1997-04-01 |
| 5612296 | Ashless dispersants their preparation and their use | Anthony J. Rollin | 1997-03-18 |