Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366231 | Photographic material containing a stabilizer, a process for its production, a development process, new pyrazoles, a process for their production and intermediate products | Karl Heinrich Mayer, Klaus Sasse | 1982-12-28 |
| 4358531 | Photographic material, process for the production thereof and process for the production of photographic images | Franz Moll, Lothar Rosenhahn | 1982-11-09 |