Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310666 | Process for the enantioselective preparation of (.beta.-1)-hydroxyalkylxanthines by reduction using Rhodotorula rubra | Werner Aretz, Harald Furrer, Ulrich Gebert | 1994-05-10 |