Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362604 | Process for the preparation of pyrocatechol and hydroquinone | Christoph Jupe, Helmut Waldmann, Gunther Schummer | 1982-12-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362604 | Process for the preparation of pyrocatechol and hydroquinone | Christoph Jupe, Helmut Waldmann, Gunther Schummer | 1982-12-07 |