Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427904 | Process for the preparation of silver halide emulsions | Hans-Ulrich Borst, Lothar Endres | 1995-06-27 |
| 5407789 | Photographic recording material | Heinrich Odenwalder, Thomas Stetzer | 1995-04-18 |
| 5374505 | Color photographic recording material for the production of color images | Jurgen Heinecke, Helmut Mader, Fritz Nittel, Armin Voigt | 1994-12-20 |
| 5158864 | Color photographic material | Reinhart Matejec, Erich Wolff, Heinrich Odenwalder | 1992-10-27 |
| 5089381 | Silver halide recording material | Manfred Becker | 1992-02-18 |
| 5006440 | Process for stabilizing photographic silver images | Werner Berthold | 1991-04-09 |
| 5006457 | Photographic recording material | Hans Vetter, Heinrich Odenwalder, Bernhard Morcher, Friedhelm Sommer, Lothar Rosenhahn | 1991-04-09 |
| 4985351 | Photographic recording material | Reinhart Matejec, Heinrich Odenwalder, Erich Wolff | 1991-01-15 |
| 4906557 | Photographic recording material and process for the production of photographic images | Manfred Becker, Reinhart Matejec | 1990-03-06 |
| 4894324 | Hardeners for proteins, a layer of binder hardened therewith and a photographic recording material containing such a layer | Wolfgang Himmelmann, Johannes Sobel, Karl-Wilhem Schranz | 1990-01-16 |
| 4840871 | Color photographic heat development process | Manfred Peters, Thomas Kaluschke, Kaspar Wingender, Gunther Schenk, Immo Boie | 1989-06-20 |
| 4833070 | Color photographic recording material containing a yellow DIR coupler | Friedrich-Wilhelm Kunitz, Heinrich Odenwalder, Dirk Hubner | 1989-05-23 |
| 4760015 | Stabilization of a photographically produced silver image using an amino-1,2,4-triazole | Werner Berthold, Gunther Mahlberg, Paul Marx | 1988-07-26 |
| 4689286 | Color photographic recording material developable by heat treatment | Karl-Wilhelm Schranz, Gunther Schenk | 1987-08-25 |
| 4543308 | Photographic recording process | Hans-Joachim Schumann, Helmut Kampfer | 1985-09-24 |
| 4459130 | Solid preparation of water-soluble acid dye and polymer particles with quaternary ammonium or phosphonium groups | Gunter Helling, Hans Langen | 1984-07-10 |
| 4458009 | Process for the production of color photographic images and photographic recording materials | Edith Weyde, Wilhelm Saleck, Hubertus Psaar, Anita von Konig | 1984-07-03 |
| 4379838 | Photosensitive photographic recording material comprising a dyed layer | Gunter Helling, Wolfgang Himmelmann, Manfred Beck | 1983-04-12 |