Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362615 | Photographic recording material containing a hydroquinone diether compound | Jorg Hagemann, Ralf Weimann, Johannes Sobel | 1994-11-08 |
| 5336780 | 5-amino-1-hydroximoyl pyrazoles | Klaus Kirschke, Gerhard Lutze, Ernst Schmitz | 1994-08-09 |