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    Patents

    Absorbent Low-Refractive

    08.10.05
    Patent No. U.S. 6,533,857 B1
    BASF has received a patent for luster pigments based on multiply coated reflecting platelet-shaped substrates and comprising at least one layer packet comprising a low refractive coating which selectively absorbs visible light and has a refractive index of 1.8 and a reflective coating which is at least partially transparent to visible light and also, if desired, an outer protective layer.
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      Polysaccharide-Based Pigments And Fillers

      U.S. 8,623,504 B2 Teknologian Tutkimuskeskus VTT has been granted a patent for particles of a polysaccharide derivative, having at least one substituent with conjugated unsaturated bonds and exhibiting an index of refraction in excess of 1.50, compri…
      07.07.14
    • Additives | Pigments | Solvents

      Merck Patents Pigment Preparations

      U.S. 8,613,800 B2 Merck has been awarded a patent for a pigment preparation, consisting of one or more effect pigments in platelet form that is a pearlescent pigment, an interference pigment, a metal effect pigment, a multilayer pigment with transpar…
      06.09.14
    • Pigments

      PPG Patents Organic and Inorganic Pigments with Acrylic Resins

      U.S. 8,575,242 B2 PPG has obtained a patent for a method of preparing a water-based paint comprised of melting at least one acrylic resin, wherein the resin has an acidity number higher than 30, an average molecular weight of between 800 and 5000 Da…
      05.06.14
    • Additives | Pigments | Solvents

      Elastomeric Paint with Protective Coating on Styrenic Block Copolymer

      U.S. 8,557,349 B2 Apex Materials Corporation has obtained a patent for a process for forming an elastomeric paint and/or elastomeric protective coating upon a thermoplastic elastomeric substrate forming an article and having a surface structure recep…
      03.25.14
    • Additives | Pigments

      Arkema Patents Co-Dispersion Agent

      U.S. 8,545,617 B2 Arkema France has been granted a patent for a pigment concentrate comprised of at least one amine selected from: N-(1-methylpropyl)-N-(2-hydroxyethyl)amine; N-(1,3-dimethylbutyl)-N-(2-hydroxyethyl)amine; N-(1-ethyl-3-methylpentyl)-N…
      03.02.14
    • Pigments

      DuPont Patents Coating Composition

      U.S. 8,227,050 B1 E I du Pont de Nemours and Company has obtained a patent for a coating composition, which upon cure forms a coating. The composition is comprised of Ia component A comprised in the range of  0.01%-10% of one or more monomers; a…
      07.19.13
    • Pigments

      Sensient Patents Self-Dispersed Pigments

      U.S. 8,226,761 B2 Sensient Colors LLC has been granted a method of modifying a pigment. The method is comprised of attaching a reactive group X—Y to a surface of a pigment; and subsequently displacing Y with an organic substrate N—S&mdash…
      07.19.13
    • Pigments

      BASF Patents Lacquer Coating

      U.S. 8,211,504 B2 BASF Coatings has been granted a patent for a process for producing a color and/or effect coating system on a substrate comprised of one of a process comprised of applying at least one aqueous color and/or effect solid-color topcoat…
      06.06.13
    • Pigments

      Sun Chemical Patents Magnetic Pigments

      U.S. 8,211,225 B2 Sun Chemical Corp. has been awarded a patent for a pigment comprised of a substrate and a layer, wherein the layer has regions of y-Fe2O3 and a-Fe2O3, wherein the region of y-Fe2O3 is further from the substrate than the region of a-…
      05.08.13
    • Pigments

      BASF Coatings Patents Metallic Tone Glitter

      U.S. 8,202,634 B2 BASF Coatings Japan Ltd. has been granted a patent for a method of forming a metallic tone glitter paint film comprised of applying a first base metallic paint for providing a sense of glitter with a metallic tone to a base material…
      04.01.13
    • Pigments

      Sun Chemical Patents Multi-Color Pearlescent Pigments

      U.S. 8,211,224 B2 Sun Chemical Corp. has been granted a process  for making a pearlescent pigment comprised of reducing a metal oxide coated substrate with a hydrogen source in the presence of a particulate noble metal catalyst in a liquid mediu…
      03.01.13
    • Pigments

      Sachtleben Pigments Patents Titanium Dioxide

      U.S. 8,182,602 B2 Sachtleben Pigments has been granted a patent for a method of preparing a well- dispersable, rutile-structured, microcrys- talline titanium dioxide product having a crystal size of less than 60 nm from a TiO2 starting material, the…
      12.20.12
    • Pigments

      Ferro patents special effect pigments

      U.S. 8,172,935 B2 Ferro Corporation has obtained a patent for a composition comprised of intentionally added synthetic mixed-metal oxide pigment particles, wherein at least 10% weight of the synthetic mixed-metal oxide pigment particles have a Cu1+Cr…
      12.04.12
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      Eckart patents platelyet-shaped metallic effect

      U.S. 8,163,079 B2 Eckart GmbH has been granted a patent for platelet-shaped, copper-containing, metallic effect pigments, which have a copper content of 60% to 100% by weight, based on the total metal content, wherein the metallic effect pigments ha…
      10.10.12
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      DuPont patents powder coating compositions

      U.S. 8,158,698 B2 E. I. du Pont de Nemours and Company has been granted a patent for a powder coating composition comprised of at least one glycidyl-functionalized (meth) acrylic resin, 1%-30% weight, the weight percent based on the total weight of t…
      09.17.12
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