Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637783 | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers | Frederick C. Loveless | 1997-06-10 |
| 5633415 | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers | Frederick C. Loveless | 1997-05-27 |