Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562557 | Color photographic silver halide material | Klaus Wagner, Peter Bell, Lothar Endres, Detlev Kapitza, Thomas Stetzer | 2003-05-13 |
| 6228568 | Color photographic recording material | Thomas Stetzer, Hans Langen, Hans-Joachim Schumann, Klaus Sinzger, Johannes Willsau +2 more | 2001-05-08 |
| 6033841 | Colour photographic silver halide material | Peter Bell, Hans-Ulrich Borst, Ralf Buscher, Jorg Siegel, Rainer Scheerer | 2000-03-07 |
| 5932402 | Color photographic recording material with improved mechanical properties and improved stability in a tropical climate | Rainer Scheerer, Klaus Sinzger | 1999-08-03 |
| 5702877 | Color photographic silver halide material | Heinrich Odenwalder, Hans Langen, Uwe Dahlhaus | 1997-12-30 |
| 4710454 | Photographic recording material and a process for the production of photographic images | Hans Langen, Ubbo Wernicke, Wolfgang Himmelmann, Gunter Renner | 1987-12-01 |
| 4571378 | Color photographic recording material and development process | Wolfgang Sauerteig, Erwin Ranz | 1986-02-18 |
| 4369248 | Photographic recording material and its use for the production of images | Erwin Ranz, Joachim W. Lohmann | 1983-01-18 |
| 4315070 | Color-photographic recording material containing a highly reactive dir-coupler | Erwin Ranz, Joachim W. Lohmann | 1982-02-09 |