Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381973 | Process for the preparation of pyrocatechol and hydroquinone | Christoph Jupe, Helmut Waldmann, Jurgen Baumert | 1983-05-03 |
| 4362604 | Process for the preparation of pyrocatechol and hydroquinone | Christoph Jupe, Helmut Waldmann, Jurgen Baumert | 1982-12-07 |