Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458009 | Process for the production of color photographic images and photographic recording materials | Edith Weyde, Hubertus Psaar, Anita von Konig, Hans hlschlager | 1984-07-03 |
| 4450225 | Silver halide emulsion prepared by converting silver phosphate | Edith Weyde, Harald von Rintelen, Heinz-Horst Teitscheid | 1984-05-22 |
| 4413055 | Silver halide emulsion, a photographic material and a process for the production of photographic images | Edith Weyde, Harald von Rintelen, Heinz-Horst Teitscheid | 1983-11-01 |
| 4401751 | Silver salt emulsion, photographic material and process for the production of photographic images | Edith Weyde, Harald von Rintelen, Heinz-Horst Teitscheid | 1983-08-30 |
| 4396707 | Photographic material, process for the production thereof, process for the production of photographic images and new triazoles | Anita von Konig, Werner Liebe | 1983-08-02 |
| 4297439 | Production of photographic silver halide emulsion | Peter Bergthaller, Otto Lapp, Bruno Mucke | 1981-10-27 |
| 4294920 | Photographic silver halide emulsion | Gunter Helling, Peter Bergthaller | 1981-10-13 |
| 4284718 | Photographic silver halide materials containing sulfur containing polymers | Peter Bergthaller, Gunter Helling | 1981-08-18 |
| 4278759 | Process of preparing photographic silver halide emulsion | Erich Wolff, Erwin Muller | 1981-07-14 |
| 4241173 | Process for the preparation of silver halide emulsions | Harald von Rintelen | 1980-12-23 |
| 4202695 | Photographic Lippmann emulsions | Herman A. Philippaerts, Robert J. Pollet, Wolfgang Muller-Bardorff, Anita von Konig, Walter Gauss +2 more | 1980-05-13 |