Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877552 | Corrosion inhibitor | — | 1989-10-31 |
| 4791206 | Triazole-organodithiophosphate reaction product additives for functional fluids | Robert M. O'Neil, Ulrich Kristen | 1988-12-13 |
| 4713186 | Lubricant additive in powder to paste form | Ulrich Kristen, Francis Fischer, Alain Cron | 1987-12-15 |