Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980268 | Negative photoresists of the polyimide type containing 1,2-disulfones | Rudolf Klug, Reinhard Schulz, Hartmut Hartner | 1990-12-25 |
| 4980508 | Process for the preparation of 1,2-disulfone compounds | — | 1990-12-25 |