Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489513 | Process for the preparation of enantiomerically pure (5, 5′-dichloro-6,6′-dimethoxy-biphenyl-2,2′-diyl)- bis(diphenylphosphine oxides) | Thomas Prinz, Guido Giffels, Wolfram Sirges | 2002-12-03 |