Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081309 | Preparation of 2-alkylcyclopentanones | Walter Gramlich | 1992-01-14 |
| 4847425 | Prepartion of 4-isopropylcyclohexylmethanol and its alkyl ethers | Dieter Degner, Walter Gramlich, Ludwig Schuster | 1989-07-11 |
| 4751214 | Use of 2-tert-butyl-4-methylcyclohexanol as a scent and as a component of scent compositions | Walter Gramlich, Werner Hoffmann, Klaas Jansen, Ludwig Schuster | 1988-06-14 |
| 4739051 | Preparation of morpholine | Wolfgang Schroeder, Gerd Heilen, Otto Hertel, Guenter Boettger | 1988-04-19 |
| 4736030 | Preparation of 1-alkyl- or 1-cycloalkylpiperazines | Herbert Mueller, Dieter Voges | 1988-04-05 |
| 4709072 | Joint preparation of ethylene cyanohydrin and its ethers | Franz Merger, Hans-Martin Hutmacher, Peter Hettinger, Dieter Voges | 1987-11-24 |