Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894324 | Hardeners for proteins, a layer of binder hardened therewith and a photographic recording material containing such a layer | Wolfgang Himmelmann, Johannes Sobel, Hans hlschlager | 1990-01-16 |