Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665126 | Adducts of quinone compounds and amine-containing polymers for use in lubricating oils and in fuels | Frank Femino | 1997-09-09 |
| 5639718 | Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone | — | 1997-06-17 |
| 5633326 | Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions | Robert D. Lundberg, Antonio Gutierrez | 1997-05-27 |