Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132471 | Purification of .alpha.-bisabolol | Otto Hertel, Klaus Euler | 1992-07-21 |
| 5075489 | .beta.,.gamma.-unsaturated nitriles, their preparation and their use as scents | Rainer Becker, Klaas Jansen | 1991-12-24 |
| 5073538 | Cycloalkylidene derivatives and fragrance composition | Michael Heullmann, Rainer Becker, Lothar Janitschke, Wolfgang Barth, Klaas Jansen | 1991-12-17 |
| 4996365 | Preparation of alkyl-substituted cinnamaldehydes | Frank-Friedrich Pape, Walter Gramlich | 1991-02-26 |
| 4965376 | 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function | Michael Huellmann, Rainer Becker, Ernst Buschmann, Heinz Eckhardt, Walter Himmele +1 more | 1990-10-23 |
| 4918205 | Preparation of alkylated dodechydronaphto[2,1-b]furans | Walter Gramlich, Eckhard Hickmann, Rainer Becker | 1990-04-17 |