Patents by Inventor Gerhard Herget

Gerhard Herget 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: 6972305
    Abstract: The invention relates to a non-dusting homogeneous pigment preparation notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 50% by weight of water and/or an organic solvent or solvent mixture and from 0.5 to 59.5% by weight of a styrene-modified polyacrylate resin having an acid number >90 mg KOH/g, and to its use to produce dry preparations.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: December 6, 2005
    Assignee: Merck Patent GmbH
    Inventors: Carsten Griessmann, Gerhard Herget, Jochen Meyer, Thomas Rathschlag
  • Patent number: 6702885
    Abstract: The present invention relates to a pigment preparation comprising a mixture of coated and/or uncoated SiO2 flakes, one or more special-effect pigments, and a phosphate derivative, and to the use thereof, especially in printing inks.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: March 9, 2004
    Assignee: Merck Patent Gesellschaft Mit Beschrankter
    Inventors: Sabine Schoen, Reiner Vogt, Norbert Schül, Karl Osterried, Gerhard Herget
  • Patent number: 6648956
    Abstract: The invention relates to a nondusting, solvent-containing homogeneous pigment preparation that includes ≧70% by weight of one or more effect pigments 0.1-30% by weight of an organic solvent or solvent mixture having an evaporation number (EN) of 10 to 100 and a surface tension (ST) of ≦35 mN/m and optionally 0-5% by weight of a surface-active substance.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: November 18, 2003
    Assignee: Merck Patent Gesellschaft mit beschraenkter Haftung
    Inventors: Wolfgang Hechler, Gerhard Herget, Brigitte Husseini, Sabine Schoen
  • Patent number: 6547870
    Abstract: The invention relates to a non-dusting, homogeneous pigment preparation, comprising ≧40% by weight of one or more effect pigments, 0.5-60% by weight of a polyalkylene glycol and/or one or more polyalkylene glycol derivatives, 0-10% by weight of a redispersing auxiliary, 0-40% by weight of water or an organic solvent or solvent mixture, 0-40% by weight of at least one further hydroxyl-rich resin, and to its use as a precursor for printing inks.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: April 15, 2003
    Assignee: Merck Patent Gesellschaft mit beschränkter Haftung
    Inventors: Carsten Griessmann, Gerhard Herget
  • Patent number: 6544327
    Abstract: The invention relates to a non-dusting homogeneous pigment preparation which is notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 60% by weight of an aldehyde resin and/or ketonic resin and from 0.1 to 10% by weight of a redispersant.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: April 8, 2003
    Assignee: Merck Patent GmbH
    Inventors: Carsten Griessmann, Wolfgang Hechler, Gerhard Herget
  • Patent number: 6511720
    Abstract: R1—(A1)m—Z1—A2—(Z2—A3)n—W—SiXaYbZc  I in which R1, A1, A2, A3, Z1, R1, Z2, W, X, Y, Z, m, n, a, b and c are as defined below, can be used to produce homeotropic alignment of liquid-crystalline phases on surfaces.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: January 28, 2003
    Assignee: Merck Patent Geselleschaft mit Beschrankter Haftung
    Inventors: Detlef Pauluth, Matthias Bremer, Edgar Böhm, Akio Osabe, Gerhard Herget, Wolfgang Hechler
  • Publication number: 20020136845
    Abstract: R1—(A1)m-Z1-A2- (Z2-A3)n—W—SiXaYbZc  I
    Type: Application
    Filed: May 2, 2001
    Publication date: September 26, 2002
    Inventors: Detlef Pauluth, Matthias Bremer, Edgar Bohm, Akio Osabe, Gerhard Herget, Wolfgang Hechler
  • Patent number: 6398862
    Abstract: The invention relates to a non-dusting homogeneous pigment preparation notable in that it comprises at least 40% by weight of one or more pearl lustre pigments.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: June 4, 2002
    Assignee: Merck Patent Gesellschaft mit Beschraenkter Haftung
    Inventors: Wolfgang Hechler, Gerhard Herget, Brigitte Husseini
  • Publication number: 20020056399
    Abstract: The present invention relates to a pigment preparation comprising a mixture of coated and/or uncoated SiO2 flakes, one or more special-effect pigments, and a phosphate derivative, and to the use thereof, especially in printing inks.
    Type: Application
    Filed: October 19, 2001
    Publication date: May 16, 2002
    Applicant: Merck Patent GmbH
    Inventors: Sabine Schoen, Reiner Vogt, Norbert Schul, Karl Osterried, Gerhard Herget
  • Patent number: 6287650
    Abstract: R1—(A1)m—Z1—A2—(Z2—A3)n—W—SiXaYbZc  I in which R1, A1, A2, A3, Z1, R1, Z2, W, X, Y, Z, m, n, a, b and c are as defined below, can be used to produce homeotropic alignment of liquid-crystalline phases on surfaces.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: September 11, 2001
    Assignee: Merck Patent Gesellschaft mit
    Inventors: Detlef Pauluth, Matthias Bremer, Edgar Böhm, Akio Osabe, Gerhard Herget, Wolfgang Hechler
  • Patent number: 6270563
    Abstract: The invention relates to a non-dusting homogeneous pigment composition comprising at least 50 % by weight of one or more effect pigments, 0.1-50 % by weight of plasticizer or a mixture of plasticizer/nitrocellulose, and 0-49.9 % by weight of a solvent or solvent mixture; and to its use in paints, varnishes, printing inks and plastics.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: August 7, 2001
    Assignee: Merck Patent GmbH
    Inventors: Gerhard Herget, Wolfgang Hechler, Carsten Griessmann
  • Patent number: 6265365
    Abstract: The present description relates to a roller wash composition for the cleaning of the cylinder, polymer plate and other soiled parts of printing machines when using water-based printing inks.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: July 24, 2001
    Assignee: Merck Patent Gesellschaft Mit
    Inventors: Gerhard Herget, Brigitte Husseini, Rüdiger Smolka
  • Patent number: 6139962
    Abstract: The present invention relates to surface-modified pigments based on platelet-shaped substrates, having improved settling and reagitation characteristics, and to their preparation processes and use.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: October 31, 2000
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gerhard Herget, Brigitte Husseini
  • Patent number: 5656375
    Abstract: The present invention relates to surface-modified pigments based on flaky substrates having improved settling and redispersing characteristics and to the preparation and use thereof.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: August 12, 1997
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Karl Osterried, Gerhard Herget, Ralf Glausch, Roman Maisch
  • Patent number: 5629480
    Abstract: An extensometer for use in a borehole comprises a combination of linear motion transducers located with daisy wheel anchors, which may be attached together if desired with extension bars. Linkages are used to connect the transducers to the daisy wheel anchors. The transducers are set up to measure distance changes both axially along the hole or radially. The extensometer includes at least one axially measuring transducer, and at least two radially measuring transducers. The transducers change in value according to changes in borehole dimensions; the transducer values are monitored electrically.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: May 13, 1997
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources
    Inventor: Gerhard Herget
  • Patent number: 5618342
    Abstract: The invention relates to a non-dusting, homogeneous pigment preparation containingat least 70% by weight of one or more flaky pigments,1-30% by weight of water,0.1-20% by weight of a humectant, andless than 1.00% by weight of one or more preservatives.
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: April 8, 1997
    Assignee: Merck Patent Gesellschaft MIT Beschrankter Haftung
    Inventors: Gerhard Herget, Otto Stahlecker, Manfred Kieser
  • Patent number: 5468289
    Abstract: The present invention relates to surface-modified pigments based on platelet-like substrates which, for improving the settling and redispersion behavior, have been recoated with a mixture comprising two metal oxides selected from the group consisting of silica, alumina and zirconium dioxide.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: November 21, 1995
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Gerhard Herget, Margarete Herbski, Karl Osterried
  • Patent number: 5445671
    Abstract: The present invention relates to a low-viscosity offset printing ink which essentially comprises a binder, additives and 5-40% by weight of pearlescent pigments and has an improved transfer behavior for pearlescent pigments.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: August 29, 1995
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gerhard Herget, Wolfgang Hechler, Brigitte Husseini, Heinz Mohr, Rudiger Smolka
  • Patent number: 5228912
    Abstract: The present invention relates to surface-modified pigments based on platelet-shaped substrates having improved dispersibility and to their preparation and use.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: July 20, 1993
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gerhard Herget, Tanja Delp