Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672745 | Method for the continuous preparation of methionine or methionine derivatives | Hans-Albrecht Hasseberg, Klaus Huthmacher, Stephan Rautenberg, Horst Weigel | 1997-09-30 |
| 4855465 | Process for the treatment of aliphatic epoxides | Andreas Grund, Guenter Prescher, Georg Boehme, Willi Hofen | 1989-08-08 |
| 4849532 | Process for the preparation of a cycloaliphatic diepoxide | Georg Boehme, Willi Hofen, Andreas Grund, Guenter Prescher | 1989-07-18 |
| 4721804 | Process for the preparation of .DELTA. 3-tetrahydrobenzoic acid- .DELTA. 3-tetrahydrobenzyl ester | Guenter Prescher, Andreas Grund, Georg Boehme | 1988-01-26 |
| 4642387 | Process for the production of 3-cyclohexene-1-carboxaldehyde | Guenter Prescher, Andreas Grund, Georg Boehme | 1987-02-10 |