Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362615 | Photographic recording material containing a hydroquinone diether compound | Jorg Hagemann, Ralf Weimann, Erich Wolff | 1994-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362615 | Photographic recording material containing a hydroquinone diether compound | Jorg Hagemann, Ralf Weimann, Erich Wolff | 1994-11-08 |