Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035816 | Process for preparing superalkalinized detergent-dispersant additives for lubricating oils | — | 1991-07-30 |
| 5030687 | Detergent-dispersant additives based on salts of alkaline-earth and alkali metals for lubricating oils | — | 1991-07-09 |
| 4751010 | Sulfonated and sulfurized detergent-dispersant additives for lubricating oils | Henri Gaessler | 1988-06-14 |