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).
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Patent number: 6972305Abstract: 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: GrantFiled: June 13, 2000Date of Patent: December 6, 2005Assignee: Merck Patent GmbHInventors: Carsten Griessmann, Gerhard Herget, Jochen Meyer, Thomas Rathschlag
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Patent number: 6702885Abstract: 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: GrantFiled: October 19, 2001Date of Patent: March 9, 2004Assignee: Merck Patent Gesellschaft Mit BeschrankterInventors: Sabine Schoen, Reiner Vogt, Norbert Schül, Karl Osterried, Gerhard Herget
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Patent number: 6648956Abstract: 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: GrantFiled: November 20, 2000Date of Patent: November 18, 2003Assignee: Merck Patent Gesellschaft mit beschraenkter HaftungInventors: Wolfgang Hechler, Gerhard Herget, Brigitte Husseini, Sabine Schoen
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Patent number: 6547870Abstract: 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: GrantFiled: December 13, 2000Date of Patent: April 15, 2003Assignee: Merck Patent Gesellschaft mit beschränkter HaftungInventors: Carsten Griessmann, Gerhard Herget
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Patent number: 6544327Abstract: 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: GrantFiled: September 14, 2000Date of Patent: April 8, 2003Assignee: Merck Patent GmbHInventors: Carsten Griessmann, Wolfgang Hechler, Gerhard Herget
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Patent number: 6511720Abstract: 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: GrantFiled: May 2, 2001Date of Patent: January 28, 2003Assignee: Merck Patent Geselleschaft mit Beschrankter HaftungInventors: Detlef Pauluth, Matthias Bremer, Edgar Böhm, Akio Osabe, Gerhard Herget, Wolfgang Hechler
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Publication number: 20020136845Abstract: R1—(A1)m-Z1-A2- (Z2-A3)n—W—SiXaYbZc IType: ApplicationFiled: May 2, 2001Publication date: September 26, 2002Inventors: Detlef Pauluth, Matthias Bremer, Edgar Bohm, Akio Osabe, Gerhard Herget, Wolfgang Hechler
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Patent number: 6398862Abstract: 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: GrantFiled: August 30, 1999Date of Patent: June 4, 2002Assignee: Merck Patent Gesellschaft mit Beschraenkter HaftungInventors: Wolfgang Hechler, Gerhard Herget, Brigitte Husseini
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Publication number: 20020056399Abstract: 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: ApplicationFiled: October 19, 2001Publication date: May 16, 2002Applicant: Merck Patent GmbHInventors: Sabine Schoen, Reiner Vogt, Norbert Schul, Karl Osterried, Gerhard Herget
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Patent number: 6287650Abstract: 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: GrantFiled: November 5, 1998Date of Patent: September 11, 2001Assignee: Merck Patent Gesellschaft mitInventors: Detlef Pauluth, Matthias Bremer, Edgar Böhm, Akio Osabe, Gerhard Herget, Wolfgang Hechler
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Patent number: 6270563Abstract: 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: GrantFiled: October 14, 1999Date of Patent: August 7, 2001Assignee: Merck Patent GmbHInventors: Gerhard Herget, Wolfgang Hechler, Carsten Griessmann
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Patent number: 6265365Abstract: 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: GrantFiled: October 14, 1999Date of Patent: July 24, 2001Assignee: Merck Patent Gesellschaft MitInventors: Gerhard Herget, Brigitte Husseini, Rüdiger Smolka
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Patent number: 6139962Abstract: 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: GrantFiled: September 28, 1998Date of Patent: October 31, 2000Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Gerhard Herget, Brigitte Husseini
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Patent number: 5656375Abstract: 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: GrantFiled: December 30, 1994Date of Patent: August 12, 1997Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Karl Osterried, Gerhard Herget, Ralf Glausch, Roman Maisch
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Patent number: 5629480Abstract: 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: GrantFiled: July 10, 1995Date of Patent: May 13, 1997Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Natural ResourcesInventor: Gerhard Herget
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Patent number: 5618342Abstract: 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: GrantFiled: June 2, 1994Date of Patent: April 8, 1997Assignee: Merck Patent Gesellschaft MIT Beschrankter HaftungInventors: Gerhard Herget, Otto Stahlecker, Manfred Kieser
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Patent number: 5468289Abstract: 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: GrantFiled: September 30, 1994Date of Patent: November 21, 1995Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Gerhard Herget, Margarete Herbski, Karl Osterried
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Patent number: 5445671Abstract: 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: GrantFiled: May 24, 1994Date of Patent: August 29, 1995Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Gerhard Herget, Wolfgang Hechler, Brigitte Husseini, Heinz Mohr, Rudiger Smolka
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Patent number: 5228912Abstract: The present invention relates to surface-modified pigments based on platelet-shaped substrates having improved dispersibility and to their preparation and use.Type: GrantFiled: May 27, 1992Date of Patent: July 20, 1993Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Gerhard Herget, Tanja Delp