Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585566 | Carbonate treated dispersants | — | 1986-04-29 |
| 4584117 | Dispersant additives for lubricating oils and fuels | — | 1986-04-22 |
| 4450281 | Process for the preparation of a polyalkenyl succinic anhydride | — | 1984-05-22 |
| 4432907 | Diamine acid fluorescent chelates | Irwin Wieder | 1984-02-21 |
| 4388471 | Process for the preparation of alkenyl succinic anhydrides | — | 1983-06-14 |
| 4352751 | Species-linked diamine triacetic acids and their chelates | Irwin Wieder | 1982-10-05 |