Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609756 | Process for the preparation of optionally substituted cinnamic acid in the presence of a catalyst | Heinz U. Blank, Herbert Nordt, deceased, Viktor Trescher | 1986-09-02 |
| 4347357 | Process for the preparation of v-triazole compounds | — | 1982-08-31 |
| 4329458 | Process for the preparation of 2,4,6-trifluoro-1,3,5-triazine | Erich Klauke, Ernst Kysela, Arnd Stuwe | 1982-05-11 |
| 4263435 | 6 -[2-Hydroxy-4-(1,2,3-triazol-2-yl)-phenyl]-2,4-dioxo-1,3,5-trimethyl-hexa hydro-s-triazines and their preparation | Florin Seng, Carl-Wolfgang Schellhammer | 1981-04-21 |
| 4233440 | Triazolyl-stilbenes | Otto Neuner | 1980-11-11 |
| 4229579 | 3-(Halopyrazolyl)-7-triazolyl-coumarin compounds | Carl-Wolfgang Schellhammer | 1980-10-21 |
| 4217449 | Process for the preparation of bis-triazolylstilbenes | Otto Neuner | 1980-08-12 |