Patents by Inventor Andrea Heyland
Andrea Heyland 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: 20170145217Abstract: The present invention relates to five-layered pigments based on multi-coated platelet-shaped substrates which comprise a layer sequence comprising (A) a layer of SnO2 having a layer thickness of 0.1-50 nm, (B) a high-refractive-index coating consisting of TiO2 in the rutile modification having a layer thickness of 10-800 nm, (C) a colorless coating having a refractive index n?1.8 having a layer thickness of 20-800 nm, (D) a high-refractive-index coating consisting of SnO2 having a layer thickness of 0.1-50 nm, (E) a layer of TiO2 in the rutile modification having a layer thickness of 10-800 nm, and optionally (F) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as dopants for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Applicant: MERCK PATENT GMBHInventors: Christoph SCHMIDT, Andrea HEYLAND, Sabine SCHOEN, Veronika HOCHSTEIN, Uta HENSEN
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Publication number: 20100129411Abstract: The present invention relates to five-layered pigments based on multicoated platelet-shaped substrates which comprise a layer sequence comprising (A) a layer of SnO2 having a layer thickness of 0.1-50 nm, (B) a high-refractive-index coating consisting of TiO2 in the rutile modification having a layer thickness of 10-800 nm, (C) a colorless coating having a refractive index n?1.8 having a layer thickness of 20-800 nm, (D) a high-refractive-index coating consisting of SnO2 having a layer thickness of 0.1-50 nm, (E) a layer of TiO2 in the rutile modification having a layer thickness of 10-800 nm, and optionally (F) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as dopants for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: July 22, 2009Publication date: May 27, 2010Inventors: Christoph Schmidt, Andrea Heyland, Sabine Schoen, Veronika Hochstein, Uta Hensen
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Patent number: 7169222Abstract: Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the transparent carrier material with a metal oxide of high refractive index and with a metal oxide of low refractive index in a wet process by hydrolysis of the corresponding water-soluble metal compounds, separation, drying and, if desired, calcination of the resulting pigment.Type: GrantFiled: July 11, 2005Date of Patent: January 30, 2007Assignee: Merck Patent GmbHInventors: Hans-Dieter Brückner, Andrea Heyland, Christoph Schmidt, Christina Schank, Claudia Seibel
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Publication number: 20050241530Abstract: Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the transparent carrier material with a metal oxide of high refractive index and with a metal oxide of low refractive index in a wet process by hydrolysis of the corresponding water-soluble metal compounds, separation, drying and, if desired, calcination of the resulting pigment.Type: ApplicationFiled: July 11, 2005Publication date: November 3, 2005Inventors: Hans-Dieter Bruckner, Andrea Heyland, Christoph Schmidt, Christina Schank, Claudia Seibel
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Patent number: 6840993Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.Type: GrantFiled: April 21, 2003Date of Patent: January 11, 2005Assignee: Merck Patent GmbHInventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Brückner
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Publication number: 20040144023Abstract: Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the transparent carrier material with a metal oxide of high refractive index and with a metal oxide of low refractive index in a wet process by hydrolysis of the corresponding water-soluble metal compounds, separation, drying and, if desired, calcination of the resulting pigment.Type: ApplicationFiled: January 15, 2004Publication date: July 29, 2004Inventors: Hans-Dieter Bruckner, Andrea Heyland, Christoph Schmidt, Christina Schank, Claudia Seibel
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Publication number: 20040052743Abstract: The present invention relates to five-layered pigments based on multi-coated platelet-shaped substrates which comprise a layer sequence comprisingType: ApplicationFiled: June 30, 2003Publication date: March 18, 2004Applicant: Merck Patent GmbHInventors: Christoph Schmidt, Andrea Heyland, Sabine Schoen, Veronika Hochstein, Uta Hensen
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Patent number: 6689205Abstract: Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the transparent carrier material with a metal oxide of high refractive index and with a metal oxide of low refractive index in a wet process by hydrolysis of the corresponding water-soluble metal compounds, separation, drying and, if desired, calcination of the resulting pigment.Type: GrantFiled: October 24, 2000Date of Patent: February 10, 2004Assignee: Merck Patent GesellschaftInventors: Hans-Dieter Brückner, Andrea Heyland, Christoph Schmidt, Christina Schank, Claudia Seibel
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Publication number: 20030205170Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.Type: ApplicationFiled: April 21, 2003Publication date: November 6, 2003Applicant: Merck Patent GmbHInventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Bruckner
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Patent number: 6500251Abstract: Multilayer interference pigment consisting of plateletlike titanium dioxide as carrier material, coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by solidification and hydrolysis of an aqueous solution of a thermally hydrolyzable titanium compound on a continuous belt, detachment of the resulting coat, coating of the resulting titanium dioxide platelets, with or without drying in between, by a wet method with, alternately, a metal oxide hydrate of high refractive index and a metal oxide hydrate of low refractive index by hydrolysis of the corresponding, water-soluble metal compounds, separation, drying and, if desired, calcining of the material obtained.Type: GrantFiled: March 9, 1999Date of Patent: December 31, 2002Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Stephanie Andes, Gerd Bauer, Günter Brenner, Dieter Brückner, Michael Schmelz, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff
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Publication number: 20020104461Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.Type: ApplicationFiled: December 6, 2001Publication date: August 8, 2002Applicant: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Bruckner
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Patent number: 6284032Abstract: Multilayer interference pigment consisting of plateletlike titanium dioxide as carrier material, coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by solidification and hydrolysis of an aqueous solution of a thermally hydrolysable titanium compound on a continuous belt, detachment of the resulting coat, coating of the resulting titanium dioxide platelets, with or without drying in between, by a wet method with, alternately, a metal oxide hydrate of high refractive index and a metal oxide hydrate of low refractive index by hydrolysis of the corresponding, water-soluble metal compounds, separation, drying and, if desired, calcining of the material obtained.Type: GrantFiled: January 11, 2001Date of Patent: September 4, 2001Assignee: Merck Patent GmbHInventors: Stephanie Andes, Gerd Bauer, Günter Brenner, Dieter Brückner, Michael Schmelz, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff
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Patent number: 6238472Abstract: Colored pearl luster pigment consisting of a core of platelet shaped titanium dioxide and one or more layers of other metal oxides or metal oxide hydrates obtainable by solidifying an aqueous solution of a thermally hydrolyzable titanium compound on a continuous belt, detaching the resulting layer, coating the resulting titanium dioxide platelets, with or without drying in between, with one or more other metal oxides or metal oxide hydrates, for example Fe2O3, Fe3O4, FeOOH or Cr2O3, by a wet method, separating, drying and, if desired, calcining the material obtained.Type: GrantFiled: March 9, 1999Date of Patent: May 29, 2001Assignee: Merck Patent GmbHInventors: Stephanie Andes, Gerd Bauer, Günter Brenner, Dieter Brückner, Michael Schmelz, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff
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Publication number: 20010001174Abstract: Multilayer interference pigment consisting of plateletlike titanium dioxide as carrier material, coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by solidification and hydrolysis of an aqueous solution of a thermally hydrolysable titanium compound on a continuous belt, detachment of the resulting coat, coating of the resulting titanium dioxide platelets, with or without drying in between, by a wet method with, alternately, a metal oxide hydrate of high refractive index and a metal oxide hydrate of low refractive index by hydrolysis of the corresponding, water-soluble metal compounds, separation, drying and, if desired, calcining of the material obtained.Type: ApplicationFiled: January 11, 2001Publication date: May 17, 2001Applicant: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Stephanie Andes, Gerd Bauer, Gunter Brenner, Dieter Bruckner, Michael Schmelz, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff
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Patent number: 5985020Abstract: Plateletlike titanium dioxide reduction pigment consisting of titanium dioxide, titanium suboxides and, if desired, a further metal oxide or titanium oxynitride, obtainable by solidifying an aqueous solution of a thermally hydrolysable titanium compound on a continuous belt, detaching the resulting coat, coating the resulting titanium dioxide platelets, with or without drying in between, with further titanium dioxide by a wet method, drying and, if desired, calcining the material, and treating the material obtained with a reducing agent in a nonoxidizing gas atmosphere.Type: GrantFiled: January 9, 1998Date of Patent: November 16, 1999Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Stefanie Andes, Sabine Hock, Gunter Brenner, Dieter Bruckner, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff, Michael Schmelz
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Patent number: 5972098Abstract: Single-layer or multilayer titanate-containing pearlescent pigments comprising iron titanate and, if appropriate, titanium oxide and/or iron oxide, which is obtainable by solidification of an aqueous solution of a thermally hydrolysable titanium compound on a continuous belt, detachment of the layer formed, coating of the resulting titanium dioxide platelets, after or without intermediate drying, with iron oxide in a wet process, and drying and calcining of the resulting material in an oxidizing or reducing gas atmosphere at not less than 500.degree. C., the layer thicknesses of the titanium dioxide layer and iron dioxide layer being adjusted such that either the stoichiometric ratio between iron oxide and titanium dioxide necessary for the formation of pseudo-brookite or ilmenite is obtained or an excess of iron oxide or titanium dioxide is present.Type: GrantFiled: January 9, 1998Date of Patent: October 26, 1999Assignee: Merck Patent GmbHInventors: Stefanie Andes, Sabine Hock, Gunter Brenner, Dieter Bruckner, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff, Michael Schmelz
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Patent number: 5858078Abstract: Plateletlike, substrate-free titanium dioxide pigment obtainable by solidifying an aqueous solution of a thermally hydrolyzable titanium compound on a continuous belt, detaching the resulting layer, coating the resulting titanium dioxide platelets, with or without drying in between, with further titanium dioxide by a wet method, and separating off, drying and calcining the material obtained.Type: GrantFiled: January 9, 1998Date of Patent: January 12, 1999Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Stefanie Andes, Gerd Bauer, Gunter Brenner, Dieter Bruckner, Andrea Heyland, Matthias Kuntz, Karl Osterried, Gerhard Pfaff, Michael Schmelz
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Patent number: 5698205Abstract: The present invention relates to neutral titanium dioxide sols which have been stabilized with hydroxycarboxylic acids or derivatives thereof and are treated with metal ions, inorganic anions, complexing agents and/or oxidizing agents to improve the photostability.Type: GrantFiled: August 29, 1994Date of Patent: December 16, 1997Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Hans-Dieter Bruckner, Ulrike Hamann, Andrea Heyland