Patents by Inventor Ulrich Schoenefeld

Ulrich Schoenefeld 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).

  • Interference pigments
    Patent number: 11746240
    Abstract: The invention relates to interference pigments based on SiO2 flakes having a broad layer-thickness distribution, and to the use thereof in paints, coatings, powder coatings, plastics and in particular in cosmetic formulations and for colouring food and pharmaceutical products.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: September 5, 2023
    Assignee: Merck Patent GmbH
    Inventors: Stephanie Andes, Ulrich Schoenefeld, Thomas Krasemann, Manfred Thon, Martina Welsch, Ralf Schweinfurth, Melanie Mechthild Breidung
  • INTERFERENCE PIGMENTS
    Publication number: 20220356356
    Abstract: The invention relates to interference pigments based on SiO2 flakes having a broad layer-thickness distribution, and to the use thereof in paints, coatings, powder coatings, plastics and in particular in cosmetic formulations and for colouring food and pharmaceutical products.
    Type: Application
    Filed: September 25, 2020
    Publication date: November 10, 2022
    Applicant: Merck Patent GmbH
    Inventors: Stephanie ANDES, Ulrich SCHOENEFELD, Thomas KRASEMANN, Manfred THON, Martina WELSCH, Ralf SCHWEINFURTH
  • Effect pigments
    Patent number: 11479681
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 25, 2022
    Assignee: Merck Patent GmbH
    Inventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
  • Effect pigments
    Patent number: 11459469
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 4, 2022
    Assignee: Merck Patent GmbH
    Inventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
  • Effect pigments
    Patent number: 11453789
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: September 27, 2022
    Assignee: Merck Patent GmbH
    Inventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
  • EFFECT PIGMENTS
    Publication number: 20200123388
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Applicant: Merck Patent GmbH
    Inventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
  • EFFECT PIGMENTS
    Publication number: 20190169439
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 6, 2019
    Applicant: Merck Patent GmbH
    Inventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
  • EFFECT PIGMENTS
    Publication number: 20170240745
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 24, 2017
    Applicant: Merck Patent GmbH
    Inventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
  • Effect pigments
    Patent number: 9238739
    Abstract: The present invention relates to effect pigments based on coated, flake-form substrates, where an organic coating which contains fluoroalkyl groups and hydrophilic groups and is built up from at least one siloxane and/or at least one silane is applied to the substrate as outer layer.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: January 19, 2016
    Assignee: Merck Patent GmbH
    Inventors: Ulrich Schoenefeld, Joachim Duschek, Alfred Hennemann
  • EFFECT PIGMENTS
    Publication number: 20150166799
    Abstract: The present invention relates to effect pigments based on coated, flake-form substrates, where an organic coating which contains fluoroalkyl groups and hydrophilic groups and is built up from at least one siloxane and/or at least one silane is applied to the substrate as outer layer.
    Type: Application
    Filed: July 5, 2013
    Publication date: June 18, 2015
    Applicant: Merck Patent GmbH
    Inventors: Ulrich Schoenefeld, Joachim Duschek, Alfred Hennemann
  • Effect pigments
    Patent number: 8647429
    Abstract: The present invention relates to effect pigments based on uncoated or coated flake-form substrates having an outer coating comprising a) TiO2 and b) Al2O3, MgO and/or CaO and c) SiO2 and d) ZnO and/or e) at least one mixed oxide of the elements mentioned under a) to d), and to the use thereof, inter alia in paints, coatings, printing inks, plastics and cosmetic formulations.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: February 11, 2014
    Assignee: Merck Patent GmbH
    Inventors: Sabine Melson, Volker Wilhelm, Ulrich Schoenefeld
  • EFFECT PIGMENTS
    Publication number: 20120308667
    Abstract: The present invention relates to effect pigments based on uncoated or coated flake-form substrates having an outer coating comprising a) TiO2 and b) Al2O3, MgO and/or CaO and c) SiO2 and d) ZnO and/or e) at least one mixed oxide of the elements mentioned under a) to d), and to the use thereof, inter alia in paints, coatings, printing inks, plastics and cosmetic formulations.
    Type: Application
    Filed: February 2, 2011
    Publication date: December 6, 2012
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Sabine Melson, Volker Wilhelm, Ulrich Schoenefeld
  • COATING COMPOSITION
    Publication number: 20120070673
    Abstract: The present invention relates to a pigmented coating composition for an automobile clear coat, to the use of a coating composition of this type, to an automobile clear coat, and to a process for the coating of an automobile with a clear coat.
    Type: Application
    Filed: February 25, 2010
    Publication date: March 22, 2012
    Inventors: Mattias Kuntz, Ulrich Schoenefeld, Anna Lange, Frank Jochen Maile, Johanna Schuetz-Widoniak
  • Particles having a functional multilayered structure
    Patent number: 7745003
    Abstract: The present invention relates to particles having a functional multilayered structure based on substrates, characterized in that the substrates are coated with one or more layers of one or more polymers and one or more layers of one or more silanes, process for the production thereof, and the use thereof.
    Type: Grant
    Filed: January 15, 2005
    Date of Patent: June 29, 2010
    Assignee: Merck Patent GmbH
    Inventors: Alfred Hennemann, Marc Entenmann, Margarete Müller, Renate Bonn-Walter, Adalbert Huber, Ulrich Schoenefeld
  • Photostabilised effect pigments
    Patent number: 7455726
    Abstract: The present invention relates to photostabilised effect pigments in which one or more calcined and vanadium-containing oxide layers, alone or mixed with sulfates, borates or phosphates, have been applied to a substrate, to a process for the preparation thereof, and to the use thereof in plastics, paints, coatings, printing inks, cosmetics, films, in security printing, for laser marking, in thermal protection or for colouring seed.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: November 25, 2008
    Assignee: Merck Patent GmbH
    Inventors: Ulrich Schoenefeld, Padma Kaviratna
  • Particles having a functional multilayered structure
    Publication number: 20070166544
    Abstract: The present invention relates to particles having a functional multilayered structure based on substrates, characterised in that the substrates are coated with one or more layers of one or more polymers and one or more layers of one or more silanes, process for the production thereof, and the use thereof
    Type: Application
    Filed: January 15, 2005
    Publication date: July 19, 2007
    Inventors: Alfred Hennemann, Marc Entenmann, Margarete Muller, Renate Bonn-Walter, Adalbert Huber, Ulrich Schoenefeld
  • Photostabilised effect pigments
    Publication number: 20070060668
    Abstract: The present invention relates to photostabilised effect pigments in which one or more calcined and vanadium-containing oxide layers, alone or mixed with sulfates, borates or phosphates, have been applied to a substrate, to a process for the preparation thereof, and to the use thereof in plastics, paints, coatings, printing inks, cosmetics, films, in security printing, for laser marking, in thermal protection or for colouring seed.
    Type: Application
    Filed: April 27, 2004
    Publication date: March 15, 2007
    Inventors: Ulrich Schoenefeld, Padma Kaviratna