Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362419 | Dithiophosphoric acid derivatives as lubricant additives | Rolf Schumacher | 1994-11-08 |
| 5360563 | Trisamidodithionodiphospates | Rolf Schumacher | 1994-11-01 |
| 5322871 | Asymmetric aryl phosphites | Rita Pitteloud, Peter Hofmann, Rudolf Maul, Volker Schenk, Eduard Troxler | 1994-06-21 |
| 5308902 | Biphosphites | Holger Andreas, Alfred Renner | 1994-05-03 |