Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711939 | Use of esters of branch-chain carboxylic acids with branch-chain alcohols as ingredients of cosmetic agents | Willi Rojahn, Gerhard Spirik | 1998-01-27 |
| 5693606 | Isolongifolanol derivatives, their production and their use | Dietmar Schatkowski | 1997-12-02 |
| 5492887 | 8-exo-formyl-2,6-exo-tricyclo(5.2.1.02,6)decane, method of preparing it and use of the same | Claus-Hermann Kappey, Bernd Hölscher, Hartmut Struwe | 1996-02-20 |
| 5426095 | Cyclic Isolongifolanone-ketals - their manufacture and their application | Dietmar Schatkowski | 1995-06-20 |
| 5294602 | 3-(hexenyloxy)-propane-nitrile, its production and use | Karl-Georg Fahlbusch | 1994-03-15 |
| 5260459 | Cyclic isolongifolanone-ketals - their manufacture and their application | Dietmar Schatkowski | 1993-11-09 |
| 4912088 | Use of campholenenitriles as fragrance | Claus-Hermann Kappey | 1990-03-27 |
| 4788177 | Use of alkyl ethers of 2,2,2-trichloro-1-phenylethanol as odoriferous substances | Claus-Hermann Kappey | 1988-11-29 |
| 4762819 | 2,6-exo configured tricyclo-5.2.1.0.sup.2,6 decane derivatives with functional side chains at C-8/C-9 and their utilization thereof as perfumes | — | 1988-08-09 |
| 4753924 | Process for the preparation of 4,4,7-trimethyl-3,4,7,8-tetrahydro-2(6H)-naphthalene-one | Ludwig Tumbrink | 1988-06-28 |
| 4709061 | Mixtures of dimethyl-tricyclo (5.2.1.02,6) decane derivatives together with their preparation and use as a scent-and flavor materials | Hartmut Struwe | 1987-11-24 |
| 4683083 | Mixtures of tricyclo-decane-derivatives together with their preparation and use are perfuming- and flavoring materials | Hartmut Struwe | 1987-07-28 |
| 4652402 | 4-(2,2,3-trimethylcyclopent-3-en-1-yl)-but-3-en-1-ols, methods for their production and use as odorants | Claus-Hermann Kappey | 1987-03-24 |
| 4582945 | C-8-substituted 1,5-dimethyl-bicyclo[3.2.1]octane-8-ols | Hartmut Struwe | 1986-04-15 |
| 4502985 | Use of 1,5-dimethyl-8-hydroximino-bicyclo[3.2.1]octane as perfuming ingredient | — | 1985-03-05 |
| 4490284 | 1,1-Di(C.sub.1 -C.sub.6 -alkyl)-2-phenyl-ethane derivatives as perfuming ingredients | Erich Klein | 1984-12-25 |
| 4318831 | Polysubstituted cyclopentene derivatives | Erich Klein | 1982-03-09 |