Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143067 | Isoindoline pigment having improved low shear dispersibility | Fritz Herren, Michel Fran.cedilla.ois, Alastair McAlpine Marr | 2000-11-07 |
| 5858080 | Bismuth vanadate pigments | — | 1999-01-12 |
| 5685901 | Pigment composition of a modified diketopyrrolopyrrole and an aminoalkyl acrylate resin | — | 1997-11-11 |
| 5679148 | Pigment compositions of a diketopyrrolopyrrole and an aminoalkyl acrylate resin | — | 1997-10-21 |
| 5641350 | Organic pigments coated with metal phosphate complexes and amines | Laurent Chassot | 1997-06-24 |
| 5522925 | Organic pigments coated with Zr or Ti phosphate complexes | Laurent Chassot | 1996-06-04 |
| 5482547 | Silane-coated organic pigments | Jean Allaz | 1996-01-09 |
| RE35009 | Diketopyrrolopyrrole pigments in platelet form | Fritz Herren, Bernhard Medinger | 1995-08-01 |
| 5401780 | Acrylic polymer coated organic pigments | Fritz Herren | 1995-03-28 |
| 5274010 | Process for warp-free pigmenting of polyolefins | Fritz Herren | 1993-12-28 |
| 5271769 | Method of improving storage stability of pigments | Abul Iqbal, Alison MacLennan, Iain Frank Fraser | 1993-12-21 |
| 5095122 | Diketopyrrolopyrrole pigments in platelet form | Fritz Herren, Bernhard Medinger | 1992-03-10 |
| 4889562 | Organic pigments coated with crosslinked ethyl cellulose | Bernhard Medinger | 1989-12-26 |
| 4880472 | Organic pigments coated with metal oxides | Arnold Grubenmann, Bernhard Medinger, Jean Schaefle | 1989-11-14 |
| 4865650 | Novel compositions based on tetrachloroisoindolinone pigments | Jost von der Crone, Bernhard Medinger | 1989-09-12 |
| 4863522 | Novel compositions based on C.I. Pigment Red 177 | Max Jost, Edward E. Jaffe | 1989-09-05 |
| 4808230 | Organic pigments coated with metal oxides fixed with ethyl cellulose | Bernhard Medinger | 1989-02-28 |
| 4764217 | Novel compositions based on isoindoline pigments | Jost von der Crone, Bernhard Medinger | 1988-08-16 |