Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814271 | Method for detecting esterolytic and proteolytic enzymes | Herbert Hugl, Eugen Schnabel, Gerhard Wolfrum | 1989-03-21 |
| 4687853 | Imidazo[1,5-A]pyridylmethanes | Ulrich Nehen, Gert Jabs | 1987-08-18 |
| 4600681 | Color photographic material with azo dicyanoimidazole dyes | Peter Bergthaller, Jurgen Strauss, Gerhard Wolfrum | 1986-07-15 |
| 4435589 | Process for the preparation of dimethyl succinylosuccinate, the disodium salt thereof, dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and dianilinoterephthalic acids, and the dimethyl esters and salts thereof | Meinhard Rolf, Detlef-Ingo Schutze, Rutger Neeff | 1984-03-06 |
| 4418143 | Color photographic recording material | Peter Bergthaller, Gunther Schenk, Gerhard Wolfrum, Holger Heidenreich | 1983-11-29 |
| 4396710 | Photographic recording material with metal complexable, heterocyclic azo dye | Peter Bergthaller, Gunther Schenk, Gerhard Wolfrum | 1983-08-02 |