Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4542127 | Antidiabetic salicylic acid derivatives | Volker Hitzel, Karl Geisen, Harald Ritzel | 1985-09-17 |
| 4542139 | Sulfonylureas pharmaceutical formulations based on these compounds and their use for treatment of diabetes | Volker Hitzel, Karl Giesen, Harald Ritzel | 1985-09-17 |
| 4379785 | Heterocyclic substituted sulfonyl ureas, and their use | Volker Hitzel, Karl Geisen, Gunter Regitz | 1983-04-12 |
| 4379153 | Benzenesulfonyl ureas, and pharmaceutical preparations | Volker Hitzel, Karl Geisen, Gunter Regitz | 1983-04-05 |
| 4325963 | Thienopyrrolone substituted benezenesulfonylureas and their use | Volker Hitzel, Karl Geisen, Gunter Regitz | 1982-04-20 |
| 4315940 | Antidiabetic 1-piperidine-sulfonylureas | Volker Hitzel, Karl Geisen, Gunter Regitz | 1982-02-16 |
| 4282239 | Sulfonyl ureas and pharmaceutical preparations thereof | Volker Hitzel, Karl Geisen, Gunter Regitz | 1981-08-04 |
| 4278680 | Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid | Manfred Hubner, Hans-Frieder Kuhnle, Ernst-Christian Witte, Ruth Heerdt, Volker Hitzel | 1981-07-14 |
| 4221815 | Benzoic acids, their derivatives and process for preparing them | Volker Hitzel, Karl Geisen, Werner Pfaff | 1980-09-09 |
| 4207341 | Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid | Manfred Hubner, Hans-Frieder Kuhnle, Ernst-Christian Witte, Ruth Heerdt, Volker Hitzel | 1980-06-10 |
| 4182775 | Benzoic acids and process for their preparation | Volker Hitzel, Ernold Granzer | 1980-01-08 |
| 4181658 | Certain nicotinamido-n-benzoic acid derivatives | Volker Hitzel, Karl Geisen, Werner Pfaff | 1980-01-01 |