Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683863 | Photographic silver halide material | Peter Bergthaller, Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Thomas Stetzer | 1997-11-04 |
| 5679504 | Color photographic silver halide material | Ralf Buscher, Peter Bell, Hans-Ulrich Borst | 1997-10-21 |
| 5667956 | Silver halide recording material | Michael Missfeldt, Ralf Buscher, Peter Bell, Hans-Ulrich Borst | 1997-09-16 |
| 5622817 | Color photographic recording material | Heinrich Odenwalder | 1997-04-22 |
| 5599657 | Color photographic silver halide material | Detlef Brennecke, Ralf B uscher, Hans-Ulrich Borst, Peter Bell, Lothar Endres | 1997-02-04 |