Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017778 | 2,9-dichloroquinacridone in platelet form | Marc Maurer, Niklaus Raetzo | 2011-09-13 |
| 7708819 | Dust-free pigment compositions obtainable by spray-drying | — | 2010-05-04 |
| 7608117 | Method for producing a granular formulation of plastic-soluble colorants | Walter Dumler | 2009-10-27 |
| 7033429 | Method of producing low-dust pigment compositions | — | 2006-04-25 |
| 6632255 | Granular compacts | Walter Dumler | 2003-10-14 |
| 6423132 | Pigment granulation | Horst Olaf Brücker | 2002-07-23 |
| 6241813 | Pigment granulation | Horst Olaf Brücker | 2001-06-05 |
| 5964938 | Pigment granulation | — | 1999-10-12 |
| 4944768 | Solid formulation of anionic wool dyes with anionic dispersant and amphoteric surfactant: glycine or betaine | Otto Schilling, Beat Bruttel | 1990-07-31 |
| 4762636 | Process for the preparation of granules containing an active substance and to the use thereof as speckles for treating substrates | Beat Bruttel, Hanspeter Will | 1988-08-09 |
| 4525170 | Solid formulations of metal complex dyes | — | 1985-06-25 |
| 4507126 | Cold water dispersible dyestuff granulates | — | 1985-03-26 |
| 4465491 | Solid dye preparation of water soluble dyes with aliphatic aminocarboxylic acid | Paul Erzinger, Ernst Tempel | 1984-08-14 |
| 4453943 | Solid formulations of anionic dyes | — | 1984-06-12 |