Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837346 | Preparation of esters of tetrahydropyran-4-carboxylic acid | Rainer Becker, Rolf Fischer, Wolfgang Spiegler, Uwe Vagt | 1989-06-06 |
| 4831166 | Preparation of alpha-substituted upsilon-butyrolactones | Walter Gramlich, Walter F. Best, Klaus Halbritter | 1989-05-16 |
| 4820882 | Preparation of beta-aryl alcohols | Manfred Eggersdorfer | 1989-04-11 |