Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908471 | Method for the production of benzene carboxylic acids and benzene dicarboxylic acid esters | Hans-Jorg Westermann | 1990-03-13 |
| 4754079 | Process for producing the sodium salt of 2-nitro-1,3-propanediol | Gunter Bison, Klaus Thewalt, Hans-Jorg Westerman | 1988-06-28 |
| 4554392 | Method of preparing 1,2-dichloroethane from ethylene and chlorine gas | Hans-Jorg Westermann | 1985-11-19 |
| 4327230 | Method for the continuous preparation of alcoholates | Otto Ackermann, Gunther Meyer, Gerhard Schmeling | 1982-04-27 |