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).

  • Patent number: 11773270
    Abstract: 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: Grant
    Filed: July 6, 2020
    Date of Patent: October 3, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Gerhard Pfaff, Stephanie Andes, Klaus Ambrosius, Ralf Petry, Michael Roesler, Sabine Schoen
  • Publication number: 20200339820
    Abstract: 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: Application
    Filed: July 6, 2020
    Publication date: October 29, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
  • Publication number: 20160068683
    Abstract: 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: Application
    Filed: September 8, 2015
    Publication date: March 10, 2016
    Inventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
  • Patent number: 8500901
    Abstract: 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: Grant
    Filed: March 22, 2010
    Date of Patent: August 6, 2013
    Assignee: Merck Patent GmbH
    Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
  • Publication number: 20120010300
    Abstract: 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: Application
    Filed: September 23, 2011
    Publication date: January 12, 2012
    Inventors: Ralf ANSELMANN, Klaus Ambrosius, Marcus Mathias
  • Publication number: 20100255047
    Abstract: 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: Application
    Filed: June 16, 2010
    Publication date: October 7, 2010
    Inventors: Ralf ANSELMANN, Klaus Ambrosius, Marcus Mathias
  • Publication number: 20100244067
    Abstract: 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: Application
    Filed: October 25, 2007
    Publication date: September 30, 2010
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Holger Winkler, Klaus Ambrosius, Ralf Petry
  • Publication number: 20100175587
    Abstract: 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: Application
    Filed: March 22, 2010
    Publication date: July 15, 2010
    Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
  • Publication number: 20100061077
    Abstract: 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: Application
    Filed: October 25, 2007
    Publication date: March 11, 2010
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Holger Winkler, Klaus Ambrosius, Ralf Petry
  • Publication number: 20100045163
    Abstract: 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: Application
    Filed: October 25, 2007
    Publication date: February 25, 2010
    Inventors: Holger Winkler, Klaus Ambrosius, Thomas Juestel, Katsuhisa Nitta, Kaiman Shimizu
  • Patent number: 7604862
    Abstract: 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: Grant
    Filed: July 1, 2002
    Date of Patent: October 20, 2009
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Klaus Ambrosius, Ralf Anselmann, Sabine Schoen
  • Publication number: 20070212487
    Abstract: 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: Application
    Filed: March 1, 2007
    Publication date: September 13, 2007
    Inventors: Ralf Anselmann, Klaus Ambrosius, Marcus Mathias
  • Patent number: 7226503
    Abstract: 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: Grant
    Filed: April 11, 2002
    Date of Patent: June 5, 2007
    Assignee: Merck Patent GmbH
    Inventors: Ralf Anselmann, Klaus Ambrosius, Marcus Mathias
  • Publication number: 20060225609
    Abstract: 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: Application
    Filed: December 9, 2003
    Publication date: October 12, 2006
    Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Kniess
  • Publication number: 20040170838
    Abstract: 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: Application
    Filed: January 9, 2004
    Publication date: September 2, 2004
    Inventors: Klaus Ambrosius, Ralf Anselmann, Sabine Schoen
  • Publication number: 20040134385
    Abstract: 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: Application
    Filed: November 10, 2003
    Publication date: July 15, 2004
    Inventors: Ralf Anselmann, Klaus Ambrosius, Marcus Mathias
  • Patent number: 6132873
    Abstract: 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: Grant
    Filed: April 17, 1998
    Date of Patent: October 17, 2000
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Johann Dietz, Manfred Parusel, Matthias Schilling, Klaus Ambrosius
  • Patent number: 6019831
    Abstract: 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: Grant
    Filed: February 5, 1997
    Date of Patent: February 1, 2000
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Christoph Schmidt, Claudia Seibel, Margarete Herbski, Ralf Emmert, Klaus Ambrosius
  • Patent number: 5759257
    Abstract: 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: Grant
    Filed: May 10, 1996
    Date of Patent: June 2, 1998
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Klaus Ambrosius, Matthias Schraml-Marth
  • Patent number: 5540769
    Abstract: 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: Grant
    Filed: September 23, 1994
    Date of Patent: July 30, 1996
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Klaus-Dieter Franz, Klaus Ambrosius, Stefan Wilhelm, Katsuhisa Nitta