Issued Patents All Time
Showing 1–2 of 2 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, Franz Regenass | 1987-10-20 |
| 4582943 | Stabilization of polyalkylene glycols | Ulrich Kristen, Franz Regenass | 1986-04-15 |