Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904821 | Method of preparing peracetic acid | Willi Hofen, Guenther Prescher, Rainer Siegmeier | 1990-02-27 |
| 4855465 | Process for the treatment of aliphatic epoxides | Andreas Grund, Guenter Prescher, Willi Hofen, Heinrich Petsch | 1989-08-08 |
| 4849532 | Process for the preparation of a cycloaliphatic diepoxide | Willi Hofen, Andreas Grund, Heinrich Petsch, Guenter Prescher | 1989-07-18 |
| 4721804 | Process for the preparation of .DELTA. 3-tetrahydrobenzoic acid- .DELTA. 3-tetrahydrobenzyl ester | Guenter Prescher, Andreas Grund, Heinrich Petsch | 1988-01-26 |
| 4642387 | Process for the production of 3-cyclohexene-1-carboxaldehyde | Guenter Prescher, Andreas Grund, Heinrich Petsch | 1987-02-10 |