Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256694 | Diarylacetylenes, their preparation and their use | Hans-Heiner Wuest, Fritz-Frieder Frickel | 1993-10-26 |
| 5126371 | Diarylacetylenes, their preparation and their use | Hans-Heiner Wuest, Fritz-Frieder Frickel | 1992-06-30 |
| 4994489 | Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment | Hans-Heiner Wuest, Fritz-Frieder Frickel | 1991-02-19 |
| 4806558 | Diarylacetylenes and their use in treating acne | Hans-Heiner Wuest, Fritz-Frieder Frickel | 1989-02-21 |
| 4804670 | Substituted hexatriene derivatives and their use in treating acne and psoriasis | Hans-Heiner Wuest, Fritz-Frieder Frickel, Joachim Paust, Klaus Schmieder | 1989-02-14 |
| 4801733 | 1-substituted tetralin derivatives, their preparation and their use | Hans-Heiner Wuest, Fritz-Frieder Frickel | 1989-01-31 |
| 4760174 | Tetralin derivatives, their preparation and their use | Fritz-Frieder Frickel, Hans-Heiner Wuest | 1988-07-26 |
| 4714786 | Vinylphenol derivatives, their preparation and their use | Hans-Heiner Wuesi, Bernd Janssen, Fritz-Frieder Frickel | 1987-12-22 |
| 4659701 | Vinylbenzyl phosphates, and their use for treating dermalogical disorders | Hans-Heiner Wuest, Fritz-Frieder Frickel | 1987-04-21 |
| 4616016 | Mixtures which promote growth and increase production, and feeds and drinking liquids which contain small amounts of these mixtures | Peter Lechtken, Walter Kohler, Peter P. Hoppe, Hubert Tiefenbacher, Juergen Schole | 1986-10-07 |
| 4595783 | Magnesium chloride or phosphonium halide derivatives of 3,7,11-trimethyl-dodeca-2,6(10)-diene(triene)-1-ol | Friedrich Vogel, Joachim Paust | 1986-06-17 |
| 4578498 | Phenylethylene derivatives and their use as drugs | Fritz-Frieder Frickel | 1986-03-25 |
| 4544758 | Vitamin E intermediates and methods for the preparation of (2R,4'RS,8'RS)-.alpha.-tocopherol and (all-rac)-.alpha.-tocopherol via the new intermediate products | Friedrich Vogel, Joachim Paust | 1985-10-01 |
| 4510146 | Growth-promoting feed and drink | Peter Lechtken, Juergen Schole | 1985-04-09 |
| 4459404 | Amides of retinoic acids with 5-amino tetrazole | Fritz-Frieder Frickel | 1984-07-10 |
| 4268445 | Preparation of bicyclic enol-ethers, and novel ethers of 2-(3-hydroxyprop-l-yl)-cycloalkanones | Rudolf Kropp, Frank Thoemel, Werner Hoffman, Franz Wenisch, Hartwig Fuchs | 1981-05-19 |