Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853473 | Preparation of 2(5H)-furanones | Rolf Fischer, Juergen Frank, Franz Merger, Michael Roeper | 1989-08-01 |
| 4837346 | Preparation of esters of tetrahydropyran-4-carboxylic acid | Rainer Becker, Heinz Eckhardt, Rolf Fischer, Wolfgang Spiegler | 1989-06-06 |