DE KEYZER; Gerardus
Patent Applications and Registrations
Patent applications and USPTO patent grants for DE KEYZER; Gerardus.The latest application filed is for "dichroic azo-azomethine dyes for liquid crystal compositions".
Company Profile
4.30.35
- DE KEYZER; Gerardus - Basel CH
- De Keyzer; Gerardus - Riehen CH
- De Keyzer; Gerardus - Rienhen CH
Patent Activity
| Patent | Date |
|---|---|
| Dichroic Azo-azomethine Dyes For Liquid Crystal Compositions App 20220098412 - FEILER; Leonhard ; et al. | 2022-03-31 |
| Red Pigment Composition For Color Filter App 20210277251 - LENZ; Roman ; et al. | 2021-09-09 |
| Color filter for low temperature applications Grant 10,690,825 - De Keyzer , et al. | 2020-06-23 |
| Electrophoretic Ink Providing Bistability App 20200165479 - DE KEYZER; Gerardus ; et al. | 2020-05-28 |
| Electrophoretic Ink Providing Coloured And Transparent States App 20190233662 - GUO; Ying ; et al. | 2019-08-01 |
| Color converter Grant 10,230,023 - Koenemann , et al. | 2019-03-12 |
| Color converters Grant 9,711,665 - Wagenblast , et al. July 18, 2 | 2017-07-18 |
| Color Filter For Low Temperature Applications App 20170131447 - DE KEYZER; Gerardus ; et al. | 2017-05-11 |
| Color filter for low temperature applications Grant 9,575,230 - De Keyzer , et al. February 21, 2 | 2017-02-21 |
| Color converter Grant 9,406,848 - Koenemann , et al. August 2, 2 | 2016-08-02 |
| Novel Illumination Devices App 20160084477 - WAGENBLAST; Gerhard ; et al. | 2016-03-24 |
| Illumination devices Grant 9,236,535 - Wagenblast , et al. January 12, 2 | 2016-01-12 |
| Black dichroic dye Grant 9,057,020 - Bacher , et al. June 16, 2 | 2015-06-16 |
| Color filter for low temperature applications Grant 8,993,202 - De Keyzer , et al. March 31, 2 | 2015-03-31 |
| Photosensitive resist composition for color filters for use in electronic paper display devices Grant 8,927,182 - Holzle , et al. January 6, 2 | 2015-01-06 |
| Novel Color Converter App 20140103374 - Koenemann; Martin ; et al. | 2014-04-17 |
| Novel Color Converters App 20140076397 - Wagenblast; Gerhard ; et al. | 2014-03-20 |
| Black matrix for colour filters Grant 8,669,026 - Sultemeyer , et al. March 11, 2 | 2014-03-11 |
| Novel Illumination Devices App 20130334546 - Wagenblast; Gerhard ; et al. | 2013-12-19 |
| Coloured organic electrophoretic particles Grant 8,610,998 - Baisch , et al. December 17, 2 | 2013-12-17 |
| Black Dichroic Dye App 20130092874 - Bacher; Jean-Pierre ; et al. | 2013-04-18 |
| Color Filter For Low Temperature Applications App 20130078393 - De Keyzer; Gerardus ; et al. | 2013-03-28 |
| Color Filter For Low Temperature Applications App 20130065168 - De Keyzer; Gerardus ; et al. | 2013-03-14 |
| Red colour filter composition Grant 8,273,269 - Lenz , et al. September 25, 2 | 2012-09-25 |
| Encapsulated dispersions comprising electrophoretically mobile organic colorants Grant 8,270,063 - Fontana , et al. September 18, 2 | 2012-09-18 |
| Black Matrix For Colour Filters App 20110294051 - Sultemeyer; Jan ; et al. | 2011-12-01 |
| Encapsulated dispersions comprising electrophoretically mobile organic colorants Grant 8,040,592 - Fontana , et al. October 18, 2 | 2011-10-18 |
| Coloured organic electrophoretic particles App 20110216392 - Baisch; Gabriele ; et al. | 2011-09-08 |
| Improved, Red Colour Filter Composition App 20110155973 - Lenz; Roman ; et al. | 2011-06-30 |
| Surface-modified Nanoparticles Comprising A Cationic Colorant For Use In Color Filters App 20100317819 - De Keyzer; Gerardus ; et al. | 2010-12-16 |
| Encapsulated Dispersions Comprising Electrophoretically Mobile Organic Colorants App 20100290103 - Fontana; Margherita ; et al. | 2010-11-18 |
| Encapsulated dispersions comprising electrophoretically mobile organic colorants App 20100265564 - Fontana; Margherita ; et al. | 2010-10-21 |
| Heat-stable diketopyrrolopyrrole pigment mixtures Grant 7,786,313 - Wallquist , et al. August 31, 2 | 2010-08-31 |
| Photosensitive Resist Composition For Color Filters For Use In Electronic Paper Display Devices App 20100164911 - Holzle; Daniel ; et al. | 2010-07-01 |
| Use of polymerisable diketopyrrolopyrroles in colour filters Grant 7,723,530 - Adam , et al. May 25, 2 | 2010-05-25 |
| Liquid crystal display and colour filter with improved transparency for green light Grant 7,582,230 - de Keyzer , et al. September 1, 2 | 2009-09-01 |
| Heat-stable diketopyrrolopyrrole pigment mixtures App 20080287689 - Wallquist; Olof ; et al. | 2008-11-20 |
| Heat-stable diketopyrrolopyrrole pigment mixtures Grant 7,417,154 - Wallquist , et al. August 26, 2 | 2008-08-26 |
| Use of polymerisable diketopyrrolopyrroles in colour filters App 20080108831 - Adam; Jean-Marie ; et al. | 2008-05-08 |
| High-molecular-weight polymeric material comprising diketopyrrolopyrrole pigments Grant 7,279,514 - Lenz , et al. October 9, 2 | 2007-10-09 |
| Heat-stable diketopyrrolopyrrole pigment mixtures App 20070028807 - Wallquist; Olof ; et al. | 2007-02-08 |
| High-molecular-weight polymeric material comprising diketopyrrolopyrrole pigments App 20050261402 - Lenz, Roman ; et al. | 2005-11-24 |
| Polymerisable diketopyrrolopyrroles, use of such compounds in colour filters and polymers prepared from these compounds App 20050255391 - Adam, Jean-Marie ; et al. | 2005-11-17 |
| Compositions comprising at least one oxonol dye and at least one metal complex App 20050003135 - Schmidhalter, Beat ; et al. | 2005-01-06 |
| Pigmented vitreous material App 20040159265 - Bujard, Patrice ; et al. | 2004-08-19 |
| Monoazoquinolone pigments, process for their preparation and their use Grant 6,756,487 - Benkhoff , et al. June 29, 2 | 2004-06-29 |
| Monoazoquinolone pigments, process for their preparation and their use App 20040034204 - Benkhoff, Johannes ; et al. | 2004-02-19 |
| Substituted phthalocyanine App 20030105321 - Wolleb, Annemarie ; et al. | 2003-06-05 |
| Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it Grant 6,544,325 - Hall-Goulle , et al. April 8, 2 | 2003-04-08 |
| Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it App 20020014183 - Hall-Goulle, Veronique ; et al. | 2002-02-07 |
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