Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898811 | Color photographic silver halide material with sulfonylphenol oil former | Erich Wolff, Dieter Lowski | 1990-02-06 |
| 4812576 | Imino derivatives of 4-halogen-pyrazolone-5 | Erich Wolff, Dieter Lowski | 1989-03-14 |