Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883167 | Process for the preparation of highly coloured diazo pigment mixtures | Daniel Andrey | 1999-03-16 |
| 5708188 | Mixed crystals and solid solution of 1,4-diketopyrrolopyrroles | Zhimin Hao, Abul Iqbal, Olof Wallquist | 1998-01-13 |
| 5518539 | Process for the preparation of synergistic pigment mixtures | Zhimin Hao, Abul Igbal, John S. Zambounis | 1996-05-21 |
| RE35009 | Diketopyrrolopyrrole pigments in platelet form | Philippe Bugnon, Fritz Herren | 1995-08-01 |
| 5095122 | Diketopyrrolopyrrole pigments in platelet form | Philippe Bugnon, Fritz Herren | 1992-03-10 |
| 4892899 | Novel compositions based on tetrachloroisoindolinone pigments | Edward E. Jaffe, Jost von der Crone | 1990-01-09 |
| 4889562 | Organic pigments coated with crosslinked ethyl cellulose | Philippe Bugnon | 1989-12-26 |
| 4880472 | Organic pigments coated with metal oxides | Philippe Bugnon, Arnold Grubenmann, Jean Schaefle | 1989-11-14 |
| 4865650 | Novel compositions based on tetrachloroisoindolinone pigments | Jost von der Crone, Philippe Bugnon | 1989-09-12 |
| 4808230 | Organic pigments coated with metal oxides fixed with ethyl cellulose | Philippe Bugnon | 1989-02-28 |
| 4764217 | Novel compositions based on isoindoline pigments | Jost von der Crone, Philippe Bugnon | 1988-08-16 |
| 4692189 | Novel compositions based on indanthrone blue pigments | Fridolin Babler, Edward E. Jaffe | 1987-09-08 |
| 4310483 | Thermal tumbling granulation | Werner H. Dorfel, Eduard Troxler | 1982-01-12 |