Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701273 | Lubricant compositions containing antioxidants, amine phosphates and 4- (5-) methyl-1-[di-(2-ethylhexyl) aminomethyl]-benzotriazole | Arthur Albert Brady, Ulrich Kristen, Hermann F. Angerer | 1987-10-20 |
| 4683071 | Benzotriazole mixtures, processes for producing them, and their use as metal passivators | Peter Collen Hamblin | 1987-07-28 |
| 4582943 | Stabilization of polyalkylene glycols | Ulrich Kristen, Hermann F. Angerer | 1986-04-15 |