Patents by Inventor Klaus Ambrosius
Klaus Ambrosius has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11773270Abstract: The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.Type: GrantFiled: July 6, 2020Date of Patent: October 3, 2023Assignee: MERCK PATENT GMBHInventors: Gerhard Pfaff, Stephanie Andes, Klaus Ambrosius, Ralf Petry, Michael Roesler, Sabine Schoen
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Publication number: 20200339820Abstract: The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.Type: ApplicationFiled: July 6, 2020Publication date: October 29, 2020Applicant: MERCK PATENT GMBHInventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
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Publication number: 20160068683Abstract: The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.Type: ApplicationFiled: September 8, 2015Publication date: March 10, 2016Inventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
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Patent number: 8500901Abstract: The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise (A) a layer of SiO2 having a layer thickness of 5-350 nm, (B) a high-refractive-index coating having a refractive index n of >1.8 and/or (C) an interference system consisting of alternating high- and low-refractive-index layers and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, automotive paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seed, in greenhouse sheeting and tent awnings, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, and for the preparation of pigment preparations and dry preparations.Type: GrantFiled: March 22, 2010Date of Patent: August 6, 2013Assignee: Merck Patent GmbHInventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
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Publication number: 20120010300Abstract: The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils.Type: ApplicationFiled: September 23, 2011Publication date: January 12, 2012Inventors: Ralf ANSELMANN, Klaus Ambrosius, Marcus Mathias
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Publication number: 20100255047Abstract: The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils.Type: ApplicationFiled: June 16, 2010Publication date: October 7, 2010Inventors: Ralf ANSELMANN, Klaus Ambrosius, Marcus Mathias
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Publication number: 20100244067Abstract: The invention relates to a phosphor element which is based on natural and/or synthetic flake-form substrates, such as mica, corundum, silica, glass, ZrO2 or TiO2, and at least one phosphor, to the production thereof, and to the use thereof as LED conversion phosphor for white LEDs or so-called colour-on-demand applications.Type: ApplicationFiled: October 25, 2007Publication date: September 30, 2010Applicant: MERCK PATENT GESELLSCHAFTInventors: Holger Winkler, Klaus Ambrosius, Ralf Petry
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Publication number: 20100175587Abstract: The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise (A) a layer of SiO2 having a layer thickness of 5-350 nm, (B) a high-refractive-index coating having a refractive index n of >1.8 and/or (C) an interference system consisting of alternating high- and low-refractive-index layers and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, automotive paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seed, in greenhouse sheeting and tent awnings, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: March 22, 2010Publication date: July 15, 2010Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
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Publication number: 20100061077Abstract: The invention relates to a phosphor element which consists of natural and/or synthetic flake-form substrates, such as mica, corundum, silica, glass, ZrO2 or TiO2, and at least one phosphor, to the production thereof, and to the use thereof as LED conversion phosphor for white LEDs or so-called colour-on-demand applications.Type: ApplicationFiled: October 25, 2007Publication date: March 11, 2010Applicant: MERCK PATENT GESELLSCHAFTInventors: Holger Winkler, Klaus Ambrosius, Ralf Petry
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Publication number: 20100045163Abstract: The invention relates to a phosphor element comprising Cr(III)-activated aluminium oxide (ruby), to the production thereof, and to the use thereof as LED conversion phosphor for white LEDs or so-called colour-on-demand applications.Type: ApplicationFiled: October 25, 2007Publication date: February 25, 2010Inventors: Holger Winkler, Klaus Ambrosius, Thomas Juestel, Katsuhisa Nitta, Kaiman Shimizu
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Patent number: 7604862Abstract: The present invention relates to multilayer pigments based on glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils, for the laser-marking of papers and plastics.Type: GrantFiled: July 1, 2002Date of Patent: October 20, 2009Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Klaus Ambrosius, Ralf Anselmann, Sabine Schoen
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Publication number: 20070212487Abstract: The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used-such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils.Type: ApplicationFiled: March 1, 2007Publication date: September 13, 2007Inventors: Ralf Anselmann, Klaus Ambrosius, Marcus Mathias
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Patent number: 7226503Abstract: The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils.Type: GrantFiled: April 11, 2002Date of Patent: June 5, 2007Assignee: Merck Patent GmbHInventors: Ralf Anselmann, Klaus Ambrosius, Marcus Mathias
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Publication number: 20060225609Abstract: The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise (A) a layer of SiO2 having a layer thickness of 5-350 nm, (B) a high-refractive-index coating having a refractive index n of >1.8 and/or (C) an interference system consisting of alternating high- and low-refractive-index layers and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, automotive paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seed, in greenhouse sheeting and tent awnings, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: December 9, 2003Publication date: October 12, 2006Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Kniess
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Publication number: 20040170838Abstract: The present invention relates to multilayer pigments based on glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils, for the laser-marking of papers and plastics.Type: ApplicationFiled: January 9, 2004Publication date: September 2, 2004Inventors: Klaus Ambrosius, Ralf Anselmann, Sabine Schoen
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Publication number: 20040134385Abstract: The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils.Type: ApplicationFiled: November 10, 2003Publication date: July 15, 2004Inventors: Ralf Anselmann, Klaus Ambrosius, Marcus Mathias
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Patent number: 6132873Abstract: Multilayer interference pigments consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the layers of the metal oxides of low refractive index being optically inactive.The thickness of the metal oxide layers of high refractive index is an integral multiple of the optical thickness which is necessary for the desired interference color.The layer thickness of metal oxide layers of low refractive index is from 1 to 20 nm.Type: GrantFiled: April 17, 1998Date of Patent: October 17, 2000Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Johann Dietz, Manfred Parusel, Matthias Schilling, Klaus Ambrosius
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Patent number: 6019831Abstract: The present invention relates to non-lustrous iron oxide-containing color pigments based on dry-milled inorganic plateletlike substrates having a particle size of <60 .mu.m, characterized in that the iron oxide compound is yellow FeO(OH) and/or Fe.sub.2 O.sub.3.Type: GrantFiled: February 5, 1997Date of Patent: February 1, 2000Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Christoph Schmidt, Claudia Seibel, Margarete Herbski, Ralf Emmert, Klaus Ambrosius
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Patent number: 5759257Abstract: The present invention relates to color pigments based on substrates which are coated with a doped layer of iron(III) oxide, to processes for their preparation and to their use, especially in aqueous coating systems.Type: GrantFiled: May 10, 1996Date of Patent: June 2, 1998Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Klaus Ambrosius, Matthias Schraml-Marth
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Patent number: 5540769Abstract: Platelet-shaped colored pigments containing titanium dioxide, one or more suboxides of titanium and an oxide or oxides of one or more metals other than titanium or non-metals and a process for the preparation thereof is disclosed.Type: GrantFiled: September 23, 1994Date of Patent: July 30, 1996Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Klaus-Dieter Franz, Klaus Ambrosius, Stefan Wilhelm, Katsuhisa Nitta