Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |