Patents by Inventor Carsten Griessmann
Carsten Griessmann 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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Publication number: 20220220315Abstract: Temperature-stable effect pigments based on multicoated flake-form substrates, and the use thereof in paints, coatings, printing inks, plastics and in particular in glazes, enamels, ceramic or glass-like materials.Type: ApplicationFiled: April 28, 2020Publication date: July 14, 2022Applicant: Merck Patent GmbHInventors: Lukas Hamm, Carsten Griessmann, Nicole Nelischer, Marita Jekel
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Publication number: 20200148899Abstract: The present invention is directed to a coating composition containing metal particles, in particular noble metal particles, to the use of such a coating composition for the production of attractive metallic decorative elements on articles having an outer silicatic surface such as of porcelain, ceramic, china, bone china, glass or enamel, to metallic coatings on such substrates and to a process for the production of coatings of this kind.Type: ApplicationFiled: March 7, 2018Publication date: May 14, 2020Applicant: MERCK PATENT GMBHInventors: Khwan Khung LIM, Jens KERSTEN, Lydia MALLIG, Carsten GRIESSMANN
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Patent number: 8980977Abstract: The present invention relates to pigment granules which are distinguished by the fact that they are based on a support material, where the support material is coated with one or more flake-form effect pigments by means of an adhesion promoter. The pigment granules according to the invention are preferably used for the pigmentation of application media, in particular paints, plasters, lacquers, powder coatings and plastics, and in particular as scatter and effect granules, for example for the decoration of wallcoverings.Type: GrantFiled: August 26, 2011Date of Patent: March 17, 2015Assignee: Merck Patent GmbHInventors: Thomas Rathschlag, Carsten Griessmann
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Patent number: 8883879Abstract: Pigment granules including a support material which is coated with one or more flake-form effect pigments by means of an adhesion promoter. The effect pigments may be, for example, pearlescent pigments, interference pigments, metal-effect pigments, multilayered pigments having one or more transparent, semi-transparent or opaque layers, goniochromatic pigments, holographic pigments, coated BiOCL flakes, uncoated BiOCl flakes, and LCP pigments, and mixtures thereof. A process for the production of pigment granules includes mixing one or more flake-form effect pigments, a support material, at least one adhesion promoter, and optionally one or more additives simultaneously or successively with one another. The pigment granules may be used for the pigmenting of application media, in particular paints, plasters, coatings, powder coatings, plastics, and in particular as scatter and effect granules, for example for the decoration of wallcoverings.Type: GrantFiled: December 18, 2009Date of Patent: November 11, 2014Assignee: Merck Patent GmbHInventors: Thomas Rathschlag, Carsten Griessmann
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Patent number: 8846783Abstract: Pigment granules comprise one or more flake-form effect pigments, polymer particles or polymer particle mixtures, adhesion promoters, antioxidants and optionally additives. A process for the preparation of pigment granules comprises mixing one or more flake-form effect pigments, one or more polymer particles, at least one adhesion promoter, at least one antioxidant and optionally one or more additives with one another simultaneously or successively. The pigment granules may be used for the pigmentation of powder coatings, plastics and for the preparation of masterbatches. The pigment granules may be employed as a mixture with plastic powders or as a mixture with plastic granules for use in masterbatch applications.Type: GrantFiled: December 18, 2009Date of Patent: September 30, 2014Assignee: Merck Patent GmbHInventors: Thomas Rathschlag, Carsten Griessmann
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Publication number: 20130264523Abstract: The present invention relates to conductive pigment granules which are distinguished by the fact that they are based on a support material, where the support material has been coated with one or more electrically conductive pigments by means of an adhesion promoter. The pigment granules according to the invention are preferably used in pale surface coatings which have been formed with electrically conductive properties.Type: ApplicationFiled: November 17, 2011Publication date: October 10, 2013Applicant: MERCK PATENT GMBHInventors: Thomas Rathschlag, Carsten Griessmann
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Publication number: 20130172473Abstract: The present invention relates to pigment granules which are distinguished by the fact that they are based on a support material, where the support material is coated with one or more flake-form effect pigments by means of an adhesion promoter. The pigment granules according to the invention are preferably used for the pigmentation of application media, in particular paints, plasters, lacquers, powder coatings and plastics, and in particular as scatter and effect granules, for example for the decoration of wallcoverings.Type: ApplicationFiled: August 26, 2011Publication date: July 4, 2013Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Thomas Rathschlag, Carsten Griessmann
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Publication number: 20110301273Abstract: Pigment granules including a support material which is coated with one or more flake-form effect pigments by means of an adhesion promoter. The effect pigments may be, for example, pearlescent pigments, interference pigments, metal-effect pigments, multilayered pigments having one or more transparent, semi-transparent or opaque layers, goniochromatic pigments, holographic pigments, coated BiOCL flakes, uncoated BiOCl flakes, and LCP pigments, and mixtures thereof. A process for the production of pigment granules includes mixing one or more flake-form effect pigments, a support material, at least one adhesion promoter, and optionally one or more additives simultaneously or successively with one another. The pigment granules may be used for the pigmenting of application media, in particular paints, plasters, coatings, powder coatings, plastics, and in particular as scatter and effect granules, for example for the decoration of wallcoverings.Type: ApplicationFiled: December 18, 2009Publication date: December 8, 2011Applicant: Merck Patent GmbHInventors: Thomas Rathschlag, Carsten Griessmann
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Publication number: 20110251303Abstract: Pigment granules comprise one or more flake-form effect pigments, polymer particles or polymer particle mixtures, adhesion promoters, antioxidants and optionally additives. A process for the preparation of pigment granules comprises mixing one or more flake-form effect pigments, one or more polymer particles, at least one adhesion promoter, at least one antioxidant and optionally one or more additives with one another simultaneously or successively. The pigment granules may be used for the pigmentation of powder coatings, plastics and for the preparation of masterbatches. The pigment granules may be employed as a mixture with plastic powders or as a mixture with plastic granules for use in masterbatch applications.Type: ApplicationFiled: December 18, 2009Publication date: October 13, 2011Applicant: Merck Patent GmbHInventors: Thomas Rathschlag, Carsten Griessmann
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Patent number: 7479323Abstract: Described are encapsulated pigments having an outer water-soluble shell and a core containing organic and/or inorganic pigments and optionally solvents and/or conventional additives. The encapsulated pigments have very good dissolution rates in aqueous systems and are therefore particularly suitable for paints, coatings, printing inks, in papermaking and in cosmetic formulations.Type: GrantFiled: September 27, 2004Date of Patent: January 20, 2009Assignee: Merck Patent GmbHInventors: Thomas Rathschlag, Veronika Hochstein, Carsten Griessmann, Sabine Schoen
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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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Publication number: 20050069704Abstract: Described are encapsulated pigments having an outer water-soluble shell and a core containing organic and/or inorganic pigments and optionally solvents and/or conventional additives. The encapsulated pigments have very good dissolution rates in aqueous systems and are therefore particularly suitable for paints, coatings, printing inks, in papermaking and in cosmetic formulations.Type: ApplicationFiled: September 27, 2004Publication date: March 31, 2005Inventors: Thomas Rathschlag, Veronika Hochstein, Carsten Griessmann, Sabine Schoen
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Patent number: 6638353Abstract: 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 maleate resin having an acid number >90 mg KOH/g, and to its use in particular to produce dry preparations.Type: GrantFiled: April 1, 2002Date of Patent: October 28, 2003Assignee: Merck Patent GmbHInventors: Thomas Rathschlag, Carsten Griessmann
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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: 6432195Abstract: The invention relates to a non-dusting, homogeneous pigment preparation which is distinguished by the fact that it comprises at least 40% by weight of one or more effect pigments and 0.5-59.5% by weight of a modified colophony resin, based on the pigment preparation, and the use thereof, in particular for the production of dry preparations. The pigment preparation according to the invention and the dry preparations produced therefrom are particularly suitable for the pigmenting of paints, coatings, powder coatings, printing inks and plastics.Type: GrantFiled: May 14, 2001Date of Patent: August 13, 2002Assignees: Merck Patent Gesellschaft mit beschraenkter Haftung, Lackharzwerke Robert Kraemer GmbH & Co.Inventors: Thomas Rathschlag, Carsten Griessmann, Sabine Schoen, Werner Sarfert
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Publication number: 20020023571Abstract: The invention relates to a non-dusting, homogeneous pigment preparation which is distinguished by the fact that it comprises at least 40% by weight of one or more effect pigments and 0.5-59.5% by weight of a modified colophony resin, based on the pigment preparation, and the use thereof, in particular for the production of dry preparations. The pigment preparation according to the invention and the dry preparations produced therefrom are particularly suitable for the pigmenting of paints, coatings, powder coatings, printing inks and plastics.Type: ApplicationFiled: May 14, 2001Publication date: February 28, 2002Inventors: Thomas Rathschlag, Carsten Griessmann, Sabine Schoen, Werner Sarfert
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Patent number: 6302926Abstract: 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: GrantFiled: June 7, 1995Date of Patent: October 16, 2001Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Ralf Anselmann, Carsten Griessmann, Manuela Loch, Kurt Marquard
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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