Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982137 | Stabilization of C.I. pigment yellow 139 | Karin Karrer, Jean Allaz | 2018-05-29 |
| 9963593 | Interference pigments on the basis of perlite flakes | Patrice Bujard, Marc Baysang | 2018-05-08 |
| 9938419 | Pigment composition | Karin Karrer | 2018-04-10 |
| 9732201 | NIR-inert substrates comprising bis-oxodihydroindolylen-benzodifuranones | Thomas Ruch, Paul Brown, Veronique Hall-Goulle | 2017-08-15 |
| 9403987 | Charged particles | Pascal Hayoz, Bernd Lamatsch, Margherita Fontana, Stephan Burkhardt, Laurent Michau +1 more | 2016-08-02 |
| 9346963 | Surface-modified pigment preparations | Peter Nesvadba | 2016-05-24 |
| 8771717 | Interference pigments on the basis of perlite flakes | Patrice Bujard, Marc Baysang | 2014-07-08 |
| 8772371 | Pearlescent pigments coated with a metal oxide/hydroxide layer and an acrylic copolymer | Karin Karrer, Patrice Bujard | 2014-07-08 |
| 8270063 | Encapsulated dispersions comprising electrophoretically mobile organic colorants | Margherita Fontana, Gerardus De Keyzer, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra | 2012-09-18 |
| 8040592 | Encapsulated dispersions comprising electrophoretically mobile organic colorants | Margherita Fontana, Gerardus De Keyzer, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra | 2011-10-18 |
| 7621994 | Preparations of pteridine pigments | Karin Karrer, Marcel Hahn, Werner Sieber | 2009-11-24 |
| 7374609 | Optically variable pigments having an asymmetrical layer structure | Patrice Bujard | 2008-05-20 |
| 7211609 | Warp-free pigment compositions comprising phthalocyanine pigments | Athanassios Tzikas, Hubert Jean Luc Christnacher, Thomas Healy | 2007-05-01 |
| 7041166 | Manufacturing and conditioning of solid solution organic pigments | Marc Maurer | 2006-05-09 |
| 6913640 | Single-phase mixed crystals of laked monoazo dyes | Carolin Sansonnens, Greig Chisholm | 2005-07-05 |
| 6896726 | Surface-treated organic pigments | Caroline Sansonnens | 2005-05-24 |
| 6890977 | Warp-free pigment compositions comprising diaryldiketopyrrolo[3,4-c]pyrroles | Franck Rey Flandrin, Guo-Hua Hu, Zhimin Hao | 2005-05-10 |
| 6890380 | Conditioning of organic pigments | Gerhard Giger, Jürgen Beyrich, Marc Maurer | 2005-05-10 |
| 6827774 | Rheology improvers and pigment compositions having improved rheology | — | 2004-12-07 |
| 6827775 | Rheology improvers and pigment compositions having improved rheology | — | 2004-12-07 |
| 6790884 | Warp-free pigment compositions comprising diaryldiketopyrrolo[3,4-c]pyrroles | Franck Rey Flandrin, Guo-Hua Hu, Zhimin Hao | 2004-09-14 |
| 6409956 | Injection molding process using warp-free pigment compositions comprising diaryldiketopyrrolo-[3,4-c]pyrroles to improve dimensional stability | Franck Rey Flandrin, Guo-Hua Hu, Zhimin Hao | 2002-06-25 |
| 6288142 | Process for warp-free pigmenting of polyolefins | Fritz Herren | 2001-09-11 |
| 6258158 | Process for pigmenting porous metal oxides and materials pigmented therewith | Seiji Homma, Patrick Verhoustraeten | 2001-07-10 |
| 6180694 | Process for warp-free pigmenting of polyolefins | Fritz Herren | 2001-01-30 |