Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908741 | Photographic silver halide material | Peter Bergthaller, Johannes Willsau, Ralf Buscher, Peter Bell | 1999-06-01 |
| 5888717 | Photographic silver halide emulsion | Peter Bergthaller, Jorg Siegel | 1999-03-30 |
| 5856076 | Color photographic recording material having elevated sensitivity and improved color reproduction | Joerg Siegel, Peter Bell, Ralf Buscher, Johannes Willsau | 1999-01-05 |
| 5853971 | Color photographic silver halide material | Peter Bell, Ralf Buscher, Johannes Willsau, Jorg Siegel | 1998-12-29 |
| 5830628 | Color photographic recording material | Detlef Brennecke, Ralf Buscher, Johannes Willsau, Peter Bell | 1998-11-03 |
| 5821044 | Photographic silver halide emulsions | Peter Bergthaller, Jorg Siegel, Michael Missfeldt | 1998-10-13 |
| 5683863 | Photographic silver halide material | Peter Bergthaller, Peter Bell, Ralf Buscher, Johannes Willsau, Thomas Stetzer | 1997-11-04 |
| 5679504 | Color photographic silver halide material | Ralf Buscher, Peter Bell, Johannes Willsau | 1997-10-21 |
| 5667956 | Silver halide recording material | Michael Missfeldt, Johannes Willsau, Ralf Buscher, Peter Bell | 1997-09-16 |
| 5599657 | Color photographic silver halide material | Detlef Brennecke, Johannes Willsau, Ralf B uscher, Peter Bell, Lothar Endres | 1997-02-04 |
| 5571664 | Color photographic silver halide material | J org Siegel, Peter Hankofer | 1996-11-05 |
| 5427904 | Process for the preparation of silver halide emulsions | Lothar Endres, Hans hlschlager | 1995-06-27 |