Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4302614 | 2,2-Bis[4-(2,3-dibromopropoxy)-3,5-dibromophenyl]-propane process | Walter Heyer, Theo Doldissen, Manfred Zimmermann | 1981-11-24 |
| 4285884 | Process for resolution of racemic DL-.alpha.-aminocarboxylic acids | Horst Schmand | 1981-08-25 |
| 4233456 | Process for the manufacture of optically active, optionally substituted 2-amino-2-phenylacetic acid | Horst Schmand | 1980-11-11 |