Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924015 | Substituted anthraquinones and use thereof in epoxy resins | Rudolf Duthaler, Jurgen Finter, Konrad Oertle, Visvanathan Ramanathan | 1990-05-08 |
| 4904815 | Phenols and their production | — | 1990-02-27 |
| 4835323 | Hydroquinones | — | 1989-05-30 |
| 4716248 | Aminocyclohexyl-substituted, branch alkylamines | Josef Pfeifer | 1987-12-29 |
| 4700003 | Ortho nitroanilines and a process for their production | — | 1987-10-13 |
| 4661601 | Resorcinol compounds | — | 1987-04-28 |
| 4647699 | New diamines and a process for their production | — | 1987-03-03 |
| 4631252 | Hydroquinone ether compounds | — | 1986-12-23 |
| 4616082 | Hydroquinone ether compounds | — | 1986-10-07 |
| 4608435 | Benzo-1,4-quinones | — | 1986-08-26 |
| 4554379 | Aminoalkyl aromatic compounds and their production | — | 1985-11-19 |
| 4549015 | Hydroquinone ether compounds | — | 1985-10-22 |
| 4484000 | Hydroquinones | — | 1984-11-20 |
| 4436936 | Alkylation and aralkylation of aromatic amines | — | 1984-03-13 |