Patents by Inventor Manuela Loch

Manuela Loch 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).

  • Publication number: 20180207080
    Abstract: The invention relates to the use of specific fluorosurfactants for increasing the efficacy of antioxidants, in particular in cosmetic, dermatological preparations and medicinal products, and to specific mixtures and preparations
    Type: Application
    Filed: June 16, 2016
    Publication date: July 26, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Manuela LOCH, Reiner FRIEDRICH
  • Patent number: 7303622
    Abstract: The present invention relates to lustrous black interference pigments based on a substrate mixture, characterised in that it has (A) a coating of Fe3O4 (B) a colorless coating consisting of one or more layers each having a refractive index of n?1.8, (C) optionally a coating with an absorbent, high-refractive-index material which only covers part of the surface, and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, plastics, ceramic materials, glasses, for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment compositions and dry preparations.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: December 4, 2007
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Manuela Loch, Nicole Schupp, Ralf Anselmann, Lilia Heider
  • Publication number: 20060070552
    Abstract: The present invention relates to lustrous black interference pigments based on a substrate mixture, characterised in that it has (A) a coating of Fe3O4 (B) a colourless coating consisting of one or more layers each having a refractive index of n?1.8, (C) optionally a coating with an absorbent, high-refractive-index material which only covers part of the surface, and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, plastics, ceramic materials, glasses, for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment compositions and dry preparations.
    Type: Application
    Filed: October 1, 2004
    Publication date: April 6, 2006
    Inventors: Manuela Loch, Nicole Schupp, Ralf Anselmann, Lilia Heider
  • Publication number: 20040177788
    Abstract: Interference pigments having a mass tone based on multicoated flake-form substrates, which have on the substrate:
    Type: Application
    Filed: March 10, 2004
    Publication date: September 16, 2004
    Inventors: Norbert Rick, Lilia Heider, Manuela Loch, Nicole Schupp, Ralf Anselmann
  • Patent number: 6719838
    Abstract: The present invention relates to colored interference pigments based on multicoated, platelet-shaped substrates, which are distinguished in that they comprise (A) a colored coating having a refractive index of n>1.8, (B) a colorless coating having a refractive index of n>1.8, (C) a colorless coating having a refractive index of n≦1.8, (D) a colorless coating having a refractive index of n>1.8, and optionally (E) an outer protective layer, and to their use in paints, surface coatings, printing inks, plastics, ceramic materials, glasses, for laser marking, in cosmetic formulations and for the production of pigment preparations and dry preparations.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: April 13, 2004
    Assignee: Merck Patent GmbH
    Inventors: Lilia Heider, Manuela Loch, Nicole Schupp, Helge Kniess
  • Publication number: 20030097965
    Abstract: The present invention relates to coloured interference pigments based on multicoated, platelet-shaped substrates, which are distinguished in that they comprise
    Type: Application
    Filed: October 24, 2002
    Publication date: May 29, 2003
    Applicant: Merck Patent GmbH
    Inventors: Lilia Heider, Manuela Loch, Nicole Schupp, Helge Kniess
  • Patent number: 6302926
    Abstract: The invention relates to preparations of monodisperse spherical oxide particles in the form of free-flowing powders of agglomerates in which the particles are bonded to one another by a binder. With these preparations, the oxide particles can be homogeneously dispersed in polymer systems with particular ease.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 16, 2001
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Ralf Anselmann, Carsten Griessmann, Manuela Loch, Kurt Marquard
  • Patent number: 5846310
    Abstract: Spherical SiO.sub.2 particles with a size of from 5 to 500 nm coated at individual points with TiO.sub.2, Fe.sub.2 O.sub.3 or ZrO.sub.2 particles with a size of less than 60 nm. The coated SiO.sub.2 particles can be aftercoated with silanes or further metal oxides. The products obtained are used for pigmenting paints, printing inks, plastics and coatings or as sunscreen agents.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: December 8, 1998
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Tamio Noguchi, Kazhisa Iwasa, Ralf Anselmann, Martin Knapp, Manuela Loch