Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604087 | Process for the production of silver halide emulsions | Otto Lapp, Klaus Wagner | 1997-02-18 |
| 5599657 | Color photographic silver halide material | Detlef Brennecke, Johannes Willsau, Ralf B uscher, Hans-Ulrich Borst, Peter Bell | 1997-02-04 |