Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614602 | Lubricant overbased detergent-dispersants with improved solubility | Joseph J. Valcho, Francis J. Slama, Chang-Man Park | 1986-09-30 |
| 4379064 | Oxidative passivation of polyamine-dispersants | John A. Cengel, Mark W. Hunt, Peter G. Pappas | 1983-04-05 |
| 4328111 | Modified overbased sulfonates and phenates | Roger W. Watson | 1982-05-04 |