Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835294 | 2-Substituted-6-methyl-1,3-dioxan-4-one | Axel Griesbeck | 1989-05-30 |
| 4812476 | Process for stereosectively preparing optically active compounds | Rene Imwinkelried | 1989-03-14 |