Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824973 | Preparation of 4-formyltetrahydropyrans | Wolfgang Spiegler, Wolfgang Hoelderich, Norbert Goetz, Leopold Hupfer | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824973 | Preparation of 4-formyltetrahydropyrans | Wolfgang Spiegler, Wolfgang Hoelderich, Norbert Goetz, Leopold Hupfer | 1989-04-25 |