Silicon Or Aluminum Compound Containing Patents (Class 106/431)
  • Patent number: 10472245
    Abstract: A method of making Nanostructured Zinc Silicate from renewable sources comprising preparing powders of husks, preparing powders of ZnO, mixing the powders of husks and the powders of ZnO and forming a homogenous sample powder, pressing the homogenous sample and forming pellets, heating the pellets and forming nanostructured zinc silicate. The nanostructured zinc silicate from renewable sources product of the process of preparing powders of husks, preparing powders of ZnO, mixing the powders of husks and the powders of ZnO and forming a homogenous sample powder, pressing the homogenous sample and forming pellets, heating the pellets and forming nanostructured zinc silicate.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: November 12, 2019
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Syed B. Qadri, Bhakta B. Rath, Edward P. Gorzkowski, III
  • Patent number: 10406084
    Abstract: An abrasive type silica with low refractive index and high transparency, a preparation method and an application thereof are disclosed. The preparation method of the present invention includes the following steps: S1, a sodium sulfate solution is added into a reaction tank, the solution is heated to 80-95° C., a sodium silicate solution and a sulfuric acid solution are added at the same time while stirring, the dropping rate of the sodium silicate solution is controlled at 13-15 m3/h, the dropping rate of the sulfuric acid solution is controlled to ensure that the pH value of the reaction process is 3.0-4.5, and stirring is continued for 10-15 min after the adding is finished; and S2, the formed silica is filter pressed, washed, spray-dried and airflow crushed to prepare the abrasive type silica with low refractive index and high transparency.
    Type: Grant
    Filed: November 4, 2018
    Date of Patent: September 10, 2019
    Assignee: GUANGZHOU FEIXUE MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Wenxi Tuo, Yingguang Lin, Wenying Gao, Fei Hu, Canming Hou
  • Patent number: 9873987
    Abstract: A decorative paper for a high-pressure, low-pressure or continuous-pressed laminate may include, distributed through a thickness of said paper, particles of a filler that have an oil absorption of 80% or higher, and that have a median diameter D50 ranging from 0.5 to 10 ?m.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: January 23, 2018
    Assignee: MUNKSJO ARCHES
    Inventors: Claude Perrin, Helene Villaume
  • Publication number: 20140178813
    Abstract: A method for manufacturing a fatty acid metal salt particle includes forming a coating layer including a fatty acid metal salt on a surface of a core material particle in supercritical carbon dioxide.
    Type: Application
    Filed: June 6, 2013
    Publication date: June 26, 2014
    Inventors: Hiroyoshi OKUNO, Junichi TOMONAGA, Takeshi IWANAGA, Shunsuke NOZAKI, Hideaki YOSHIKAWA
  • Publication number: 20130216597
    Abstract: The present invention relates to pigments based on multicoated flake-form substrates which are distinguished by the fact that at least 8 layers [layers (A)-(H)] are on the substrate, where an SiO2 layer (=layer A) is located directly on the surface of the substrate, and to the use thereof, inter alia, in paints, surface coatings, automobile paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seed, in greenhouse sheeting and tarpaulins, as absorbers in the laser marking of paper and plastics, and in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, for the preparation of pigment compositions and dry preparations.
    Type: Application
    Filed: October 20, 2011
    Publication date: August 22, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Marcus Mathias, Meike Saatze
  • Publication number: 20130190432
    Abstract: A novel flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A 20 to 99% by weight of a dialkylphosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II) and/or polymers thereof in which R1, R2 are the same or different and are each C1-C6-alkyl, linear or branched; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C20-alkylarylene or C7-C20-arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component B 1 to 80% by weight of a salt of the phosphorous acid with the general formula (III) [HP(?O)O2]2?Mm+ (III) in which M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K and m is 1 to 4, as component C 0 to 30% by weight of a nitrogen-containing synergist and/or of a phosphorus/nitrogen flame retardant, as component D 0 to 10% by weight of a zinc salt and/or of a basic or amphoteric oxide, hydroxide, carbo
    Type: Application
    Filed: September 30, 2011
    Publication date: July 25, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Werner Krause, Harald Bauer, Martin Sicken, Sebastian Hoerold, Wolfgang Wanzke, Elke Schlosser
  • Patent number: 8377194
    Abstract: A silica-containing composition is disclosed. The composition comprises a compound having the following formula: (SiO2)x(OH)yMzSaF.B. M comprises at least one metal or metalloid cation S is a sulfur-based species. F optionally exists and F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane, and an alkyl-containing organosilane at a surface area coverage of about 0.01 to about 100%. The molar ratio of y/x is equal to about 0.01 to about 0.5, the molar ratio of x/z is equal to about 0.5 to about 300 or from about 0.5 to about 100, and the molar ratio of a/z is about 0.5 to about 5. B is a hygroscopic solid at a water to solid molar ratio of 0.1-6 and preferably comprises at least one alkaline earth oxide or lanthanide oxide.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: February 19, 2013
    Assignee: Nalco Company
    Inventors: Nicholas S. Ergang, Ian Saratovsky, Hung-Ting Chen
  • Patent number: 8333835
    Abstract: A silica-containing composition is disclosed. The composition comprises a compound having the following formula: (SiO2)x(OH)yMzSaF. M comprises at least one metal or metalloid cation S is a sulfur-based species optionally exists and F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane, and an alkyl-containing organosilane at a surface area coverage of about 0.01 to about 100%. The molar ratio of y/x is equal to about 0.01 to about 0.5, the molar ratio of x/z is equal to about 0.5 to about 300 or from about 0.5 to about 100, and the molar ratio of a/z is about 0.5 to about 5.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: December 18, 2012
    Assignee: Nalco Company
    Inventors: Nicholas S. Ergang, Bruce A. Keiser, Richard Mimna
  • Publication number: 20120136093
    Abstract: A two step method for preparing a filler composition, the filler composition useful to prepare a nanocomposite polymer and an epoxy nanocomposite coating. First, disperse a water dispersible filler material in a liquid comprising water, but without any added intercalation agent, to form a dispersion. Second, replace at least a portion of the water of the liquid with an organic solvent so that the water concentration of the liquid is less than six percent by weight to form the filler composition, the average size of at least one dimension of the filler material being less than two hundred nanometers upon examination by transmission electron microscopy of a representative freeze dried sample of the dispersion of the first step. A nanocomposite polymer can be prepared by mixing the filler composition with one or more polymer, polymer component, monomer or prepolymer to produce a polymer containing the filler composition.
    Type: Application
    Filed: January 16, 2012
    Publication date: May 31, 2012
    Applicants: THE TEXAS A & M UNIVERSITY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Luyi Sun, Woong Jae Boo, Hung-Jue Sue, Maurice J. Marks, Richard F. Fibiger, Michael S. Paquette
  • Patent number: 8129021
    Abstract: Effect pigments with a platelet-shaped substrate provided on at least one side with at least one coating of semitransparent metal and/or at least one high-index coating having a refractive index ?2.0. The platelet-shaped substrate includes at least one mixed inorganic/organic phase. Also, a method of producing effect pigments including the following steps: a) combining at least one organic network former, at least one reactive organic component, at least one inorganic network former and/or nanoscale inorganic particles and a liquid phase to form a reaction composition, b) applying the reaction composition to a sheetlike base, c) forming a solidified mixed inorganic/organic phase, d) converting the mixed inorganic/organic phase into platelet-shaped substrates, and e) coating the platelet-shaped substrates with at least one coating of semitransparent metal and/or at least one high-index coating having a refractive index ?2.0.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: March 6, 2012
    Assignee: Eckart GmbH
    Inventors: Günter Kaupp, Ulrich Schmidt, Dirk Schumacher
  • Patent number: 8092834
    Abstract: A complex powder comprising an adsorption site and operation site, wherein said adsorption site attracts or adsorbs a specific enzyme, wherein said operation site inhibits or activates said enzyme, and wherein each of the both sites are appeared on the surface of the powder. In the complex powder described above, it is preferable that ?-potential of the adsorption site at the pH employed is negative value, wherein said adsorption site attracts or adsorbs the specific enzyme whose ?-potential is positive value, and wherein said adsorption site inhibits or activates said specific enzyme. And it is preferable that said adsorption site has ?-potential at pH7.5 of ?10 mV or below. In the complex powder described above, it is preferable that said specific enzyme is a plasminogen activator, and the operation site inhibits said plasminogen activator. The complex powder described above can be used as an external composition for improving a rough skin and an external composition for a sensitive skin.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: January 10, 2012
    Assignee: Shiseido Co., Ltd.
    Inventors: Norinobu Yoshikawa, Kenichi Sakuma, Katsuki Ogawa, Satoshi Tomomasa, Eriko Kawai, Hiroyuki Yokoyama, Yukimitsu Suda
  • Publication number: 20110250341
    Abstract: A silica containing composition is disclosed. The silica composition comprising a compound having the following formula (SiO2)x(OH)yMzOaF: wherein M optionally exists and said M is at least one of the following metal or metalloid cations: boron, magnesium, aluminum, calcium, titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, palladium, silver, cadmium, tin, platinum, gold, and bismuth; wherein F optionally exists and said F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane, and an alkyl-containing organosilane at a surface area coverage of 0.01-100%; and wherein the molar ratio of y/x is equal to 0.01-0.5, the molar ratio of x/z is equal to 0.1-300, and the molar ratio of a/z is dependent on the nature of the metal oxide formed.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 13, 2011
    Inventors: Bruce A. Keiser, Nicholas S. Ergang, Richard Mimna
  • Patent number: 7993443
    Abstract: A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack. The present multilayer effect pigment may be used in cosmetics or personal care products.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: August 9, 2011
    Assignee: BASF Catalysts LLC
    Inventors: Daniel S. Fuller, Curtis J. Zimmermann
  • Patent number: 7959727
    Abstract: The present invention relates to pigments, the particles of which generally have a length of from 2 ?m to 5 mm, a width of from 2 ?m to 2 mm, and a thickness of from 20 nm to 2 ?m, and a ratio of length to thickness of at least 2:1, wherein the particles contain a core of SiO2 or a silicon/silicon oxide obtained by heating SiOy flakes with 1.1?y?1.8 in an oxygen-free atmosphere at a temperature of at least 400° C., which core has a narrow distribution of particle sizes and two substantially parallel faces, the distance between which is the shortest axis of the core, and a material layer having a high index of refraction a metal oxide; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: June 14, 2011
    Assignee: BASF SE
    Inventors: Patrice Bujard, Holger Leybach
  • Patent number: 7875212
    Abstract: Embodiments of the present invention provide polymer matrix nanocomposites reinforced with nano-scale materials such as nanoparticles and carbon nanotubes and methods of fabricating. The nanomaterials are provided within relatively low weight fractions, for example in the range of approximately 0.01 to about 0.4% by weight and distributed within the matrix by a magnetic mixing procedure to provide substantially uniform reinforcement of the nanocomposites. Advantageously, these nanocomposites provide significantly enhanced tensile strength, strain to failure, and fracture toughness over corresponding neat matrices.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: January 25, 2011
    Assignee: University of Hawaii
    Inventors: Mohammad Naghi Ghasemi Nejhad, Vinod P Veedu, Andrea Yuen, Davood Askari
  • Publication number: 20100311871
    Abstract: There is provided colloidal silica particles comprising at least one polyvalent metal element M selected from a group consisting of iron, aluminum, zinc, zirconium, titanium, tin, and lead in an average content of 0.001 to 0.02 in terms of an M/Si molar ratio, and having an average primary particle diameter of 5 to 40 nm, wherein the content of the polyvalent metal element M present in an outermost layer of the colloidal particles is 0 to 0.003 atom per square nanometer (nm2) of a surface area of the colloidal particles; and a silica sol that the colloidal silica particles are dispersed in an organic solvent, a silica sol that the colloidal silica particles are dispersed in a polymerizable compound, and a silica sol that the colloidal silica particles are dispersed in a dicarboxylic anhydride.
    Type: Application
    Filed: February 12, 2009
    Publication date: December 9, 2010
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Naohiko Suemura, Keiko Yoshitake, Toshiaki Takeyama
  • Patent number: 7837785
    Abstract: The present invention relates to pigment granules and to a process for the preparation thereof and their use.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: November 23, 2010
    Assignee: LANXESS Deutschland GmbH
    Inventors: Holger Friedrich, Kai Bütje, Udo Holtmann
  • Patent number: 7749320
    Abstract: A process for the production of finely particulate, inorganic solids by precipitation of the finely particulate inorganic solids from solution is described, in which the surface of the inorganic solids particles is covered (coated) with at least one additive, in which the additive(s) contains a dispersing agent or deflocculating agent, in which the proportion of the additives is overall at most 80 wt. %, preferably at most 40 wt. % or 30 wt. % and particularly preferably at most 15 wt. % of the coated solids, and wherein the additive(s) is added to the starting solution or solutions. Uses of the inorganic solids produced according to the invention are also described.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: July 6, 2010
    Assignee: Sachtleben Chemie GmbH
    Inventor: Djamschid Amirzadeh-Asl
  • Publication number: 20100095868
    Abstract: The invention relates to coated pearlescent pigments, whereby the coating covers the pearlescent pigments and comprises uncured, however, chemically cross-linkable and/or oligomeric and/or polymeric binding agents that can be cross-linked by heat, IR radiation, UV radiation and/or electron rays. The invention also relates to a method for producing the coated pearlescent pigments and to the use thereof. The invention additionally relates to a coating composition and to a coated article.
    Type: Application
    Filed: June 23, 2006
    Publication date: April 22, 2010
    Inventors: Günter Kaupp, Ulrich Schmidt, Burkhard Schreiber, Alexander Albrecht
  • Publication number: 20100063183
    Abstract: A two step method for preparing a filler composition, the filler composition useful to prepare a nanocomposite polymer. The first step is to disperse a water dispersible filler material in a liquid comprising water to form a dispersion. The second step is to replace at least a portion of the water of the liquid with an organic solvent to form the filler composition, the water concentration of the liquid of the filler composition being less than six percent by weight, the average size of at least one dimension of the filler material being less than two hundred nanometers upon examination by transmission electron microscopy of a representative freeze dried sample of the dispersion of the first step.
    Type: Application
    Filed: November 16, 2007
    Publication date: March 11, 2010
    Inventors: Luyi Sun, Jae Boo Woong, Hung-Jue Sue, Maurice J. Marks, Richard F. Fibiger, Michael S. Paquette
  • Publication number: 20090280260
    Abstract: An electrostatic dissipative paint having a pigment. The pigment includes a composition according to the following formula: (Mg1?x,Znx)Ga2+yO4?? wherein the value of x is a value from about 0 to 1, y is a value from about 0 to 0.04 and ? is in the range of about 0 to about 0.03. An electrostatic dissipative coating system, a method for making an electrostatic dissipative coating, and a method for protecting a spacecraft is also disclosed.
    Type: Application
    Filed: May 7, 2008
    Publication date: November 12, 2009
    Applicant: The Boeing Company
    Inventor: James F. Cordaro
  • Patent number: 7601212
    Abstract: Processes for altering surface properties of pigment particles are provided. The processes include coating the particles with ionic natural polysaccharides or ionic derivatives of natural polysaccharides, providing enhanced properties.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: October 13, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Subramaniam Sabesan, John Davis Bolt
  • Patent number: 7578878
    Abstract: A pigment grade corrosion inhibitor and a method of applying the inhibitor is disclosed. The inhibitor is comprised of a host species comprised of an inorganic compound having a layered structure and a guest species comprised an anionic species of a weak acid. The host species is preferably a double hydroxide having a structure of: [M(II)1?xM(III)x(OH?)2][An?x/n.yH2O], where M(II) is a divalent metal cationic species, M(III) is a trivalent metal cationic species, and An? is an anionic species, preferably with the species present in a range of: 0.2?M(III)/(M(II)+M(III))?0.4.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: August 25, 2009
    Assignee: Wayne Pigment Corp.
    Inventors: John Sinko, Martin W. Kendig
  • Patent number: 7517404
    Abstract: The present invention relates to pigments, the particles of which generally have a length of from 2 ?m to 5 mm, a width of from 2 ?m to 2 mm, and a thickness of from 20 nm to 2 ?m, and a ratio of length to thickness of at least 2:1, wherein the particles contain a core of SiOy with 0.70?y?1.8, especially 1.40?y?1.8, having two substantially parallel faces, the distance between which is the shortest axis of the core, comprising (a) a material, especially a metal oxide, having a high index of refraction; or (a) a thin semi-transparent metal layer; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: April 14, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Patrice Bujard, Holger Leybach
  • Patent number: 7513946
    Abstract: Chromium-free, low-zinc, corrosion-inhibiting pigment mixture (A) comprising (a1) 30% to 60% by weight of at least one calcium hydrogen phosphate pigment, (a2) 15% to 45% by weight of at least one amorphous, calcium-modified silicon dioxide, (a3) 5% to 25% by weight of at least one calcium borosilicate pigment, and (a4) 1% to 15% by weight of at least one zinc salt of an organic nitro compound with the proviso that the zinc content of (A) does not exceed 10% by weight; process for preparing it, and its use.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: April 7, 2009
    Assignee: BASF Coatings Aktiengesellschaft
    Inventors: Gisela Laumann, Ewald Philips, Andreas Vogt
  • Publication number: 20090078157
    Abstract: The invention is directed to a synthetic inorganic material, comprising inorganic compounds based on elementary particles with a sheet (phyllosilicate) structure, the elementary particles consisting of a central layer of octahedrally coordinated divalent metal ions between two layers of tetrahedrally surrounded silicon ions, which particles are substantially free of aluminum, free silica and salts and hydroxides of the divalent metal ions, the material not containing any metal ions that can be reduced to the corresponding metals at temperatures of 700° C. or less.
    Type: Application
    Filed: May 1, 2006
    Publication date: March 26, 2009
    Applicant: Eurosupport B.V.
    Inventors: John Wihelm Geus, Jacobus Berend Dirksen
  • Publication number: 20090022912
    Abstract: The invention relates to novel and innovative PCC pigments, able to be used in a paper coating formulations to manufacture coated “multipurpose” papers, in particular for inkjet applications, whose print qualities would be identical or quite similar to high resolution commercial papers, while maintaining a reduced paper manufacturing and production cost. Said pigments are obtained by a carbonation process using a reduced flow rate of CO2/air, which leads to porous agglomerates of PCC of a very specific structure and unique properties, followed by an upconcentration step leading to substantially the same agglomerates but with a higher, appropriate, solids content.
    Type: Application
    Filed: March 29, 2006
    Publication date: January 22, 2009
    Inventors: Michael Kaessberger, Michael Pohl
  • Publication number: 20090004390
    Abstract: The present invention is directed to pigment compositions, thick film black pigment compositions, conductive single layer thick film compositions, black electrodes made from such black conductive compositions and methods of forming such electrodes, and to the uses of such compositions, electrodes, and methods in flat panel display applications, including alternating-current plasma display panel devices (AC PDP).
    Type: Application
    Filed: June 28, 2007
    Publication date: January 1, 2009
    Inventors: Jerome David Smith, Pedro A. Jimenez, Tony Jackson
  • Publication number: 20080319089
    Abstract: The present invention relates to a method of producing coloured carrier particles which comprises which comprises: a) dispersing a pigment in aqueous solution, b) adding soda waterglass, c) precipitating SiO2 and the pigment onto the carrier particles by lowering the pH value. Using the methods according to the invention it is possible to obtain colorations and coloured substrates that have surprisingly good light-fastness properties.
    Type: Application
    Filed: July 21, 2008
    Publication date: December 25, 2008
    Inventors: Martin Muller, Didier Bauer
  • Publication number: 20080223256
    Abstract: Chromium-free, low-zinc, corrosion-inhibiting pigment mixture (A) comprising (a1) 30% to 60% by weight of at least one calcium hydrogen phosphate pigment, (a2) 15% to 45% by weight of at least one amorphous, calcium-modified silicon dioxide, (a3) 5% to 25% by weight of at least one calcium borosilicate pigment, and (a4) 1% to 15% by weight of at least one zinc salt of an organic nitro compound with the proviso that the zinc content of (A) does not exceed 10% by weight; process for preparing it, and its use.
    Type: Application
    Filed: July 26, 2006
    Publication date: September 18, 2008
    Applicant: BASF COATINGS AKTIENGESELLSCHAFT
    Inventors: Gisela Laumann, Ewald Philips, Andreas Vogt
  • Patent number: 7316741
    Abstract: Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: January 8, 2008
    Assignee: Colorobbia Italia S.p.A.
    Inventors: Giovanni Baldi, Marco Bitossi, Andrea Barzanti
  • Patent number: 7303619
    Abstract: The present invention provides a composite pigment original having a structure comprising a resin layer and a pigment layer sequentially stacked on a sheet-shaped substrate surface, the pigment layer having a structure that at least a silicon oxide layer, a metal or metal compound layer and a silicon oxide layer are sequentially stacked. Furthermore, a composite pigment obtained from the composite pigment original, a process for producing an ink composition using the composite pigment original, and an ink composition obtained by the production process are disclosed.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: December 4, 2007
    Assignee: Seiko Epson Corporation
    Inventor: Takashi Oyanagi
  • Patent number: 7220793
    Abstract: A curable film-forming composition is provided comprising (i) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight of a polymer containing a plurality of functional groups reactive with the crosslinking agent; and (iii) 5 to 85 percent by volume of particles having a mean particle size less than 100 nm. The particles comprise 1 to 99 percent by weight of at least one metal oxide wherein the metal is selected from zinc, titanium, cerium, manganese, bismuth, copper, zirconium and iron. A multi-component composite coating composition is also provided, comprising a pigmented basecoat and a clear coat. The basecoat and/or clearcoat may be derived from the curable film-forming composition described above. Also provided are coated substrates in which the curable coating compositions or the multi-component composite coating compositions described above are applied to a substrate and cured to form a cured coating.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: May 22, 2007
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Noel R. Vanier, Calum H. Munro
  • Patent number: 7217318
    Abstract: In a method for the manufacture of a nacreous pigment, in which a multi-layer film is produced by vacuum evaporation coating on a substrate and, after release from the substrate, the particles thus produced are comminuted to pigment particles of a desired size, vapor deposition of a plurality of layers taking place at separate locations within an evacuable container and the substrate being passed along the sources of evaporation, it is provided that at least a backing (A), in particular a silicon oxide layer, and at least a metal oxide layer (B), in particular a titanium oxide layer, are vapor-deposited on the substrate, in particular a circulating metal belt.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: May 15, 2007
    Assignee: Eckart GmbH & Co. KG
    Inventor: Günter Sommer
  • Patent number: 7186393
    Abstract: The present invention relates to a complex oxide having a BET specific surface area of about 10 to about 200 m2/g, comprising zinc oxide as a primary component, containing crystalline structures of both zinc oxide and silica, and exhibiting diffraction peaks in lattice planes (100), (002), and (101), which are X-ray crystallographically specific to diffraction peaks of crystalline zinc oxide, and in a lattice plane (101) which is X-ray crystallographically specific to the diffraction peak of crystalline silica.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: March 6, 2007
    Assignee: Showa Denko K.K.
    Inventors: Hisao Kogoi, Jun Tanaka, Hiroyuki Hagihara
  • Patent number: 7169222
    Abstract: 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: Grant
    Filed: July 11, 2005
    Date of Patent: January 30, 2007
    Assignee: Merck Patent GmbH
    Inventors: Hans-Dieter Brückner, Andrea Heyland, Christoph Schmidt, Christina Schank, Claudia Seibel
  • Patent number: 7056380
    Abstract: A water-based black enamel composition capable of being deposited on a glass substrate, especially on a glass sheet. The enamel composition includes: 20 to 40% by weight of water-soluble sodium silicate and/or potassium silicate; a water-soluble base, in an amount sufficient for the pH of the composition to be at least 10.5; 5 to 25% by weight of water; 40 to 60% by weight of a metal oxide chosen from the group consisting of copper oxides, iron oxides, cobalt oxides, mixtures of these oxides, and mixtures of at least one of the oxides with chromium oxide(s); less than 10% by weight of zinc oxide; at least 10% by weight of a glass frit having a melting point below 680° C.; and less than 10% by weight of a glass frit having a Littleton point above 700° C. A glazing, especially an automobile glazing, including at least one glass sheet can have at least one of the faces of the glass sheet coated at least partially with the enamel composition.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: June 6, 2006
    Assignee: Saint-Gobain Glass France
    Inventor: Andre Beyrle
  • Patent number: 7018465
    Abstract: A spray glaze or opaque composition for coating dental restorations and other surfaces and objects such as hobby ceramics that comprises about 4 to about 50 weight % glaze material, about 5 to about 60 weight % restoration wetting agent, and about 10 to about 90% non CFC propellant. An opaque composition further comprises about 5 to about 30% opaque material.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: March 28, 2006
    Assignee: Enamelite, LLC
    Inventors: Phillip G. Pitts, James R. Vinson
  • Patent number: 6997982
    Abstract: The invention relates to a pigment with a metallic luster, comprising a plate-like non-metallic substrate having a thickness lower an 200 nm, which is entirely coated with a metallic layer.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: February 14, 2006
    Assignee: Merck Patent GmbH
    Inventors: Gerhard Pfaff, Stephanie Andes, Michael Uhlig
  • Patent number: 6929690
    Abstract: A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 ?m, which is fully enveloped by a metal layer.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: August 16, 2005
    Assignee: Merck Patent GmbH
    Inventors: Reiner Vogt, Gerhard Pfaff, Stephanie Andes, Michael Uhlig, Martin Friz, Katsuhisa Nitta
  • Patent number: 6875264
    Abstract: A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: April 5, 2005
    Assignee: Engelhard Corporation
    Inventors: Curtis J. Zimmermann, Daniel Stevenson Fuller
  • Patent number: 6866711
    Abstract: A composite pigment is provided with the composite pigment including a dense inorganic material and silica. The pigment composition is characterized by a CTAB surface area of greater than about 20 m2/g; a BET surface area of greater than about 15 m2/g; and a density of greater than about 2.5 g/cm3.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: March 15, 2005
    Inventors: Fitzgerald Alphanso Sinclair, Mark Edward Wozniak, Louis Frank Gatti, William C. Fultz
  • Patent number: 6849112
    Abstract: Amorphous inorganic particles as a dental material includes silica and inorganic oxide(s) other than silica and has high x-ray impermeability. The inorganic particles as a dental material includes silica with the content in the range from 70 to 98 weight % and oxide(s) of one or more elements selected from the group of Zr, Ti, La, Ba, Sr, Hf, Y, Zn, AL, and B, wherein 5 to 70 weight % of the silica is originated from an acidic silicic acid solution and 30 to 95 weight % of the silica is originated from a sol of silica. The inorganic particles as a dental material have an average particle diameter in the range from 1 to 10 ?m, specific surface area in the range from 50 to 350 m2/g, pore volume in the range from 0.05 to 0.5 ml/g, amorphous crystallinity as observed by x-ray diffraction, and the refractive index in the range from 1.47 to 1.60.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: February 1, 2005
    Assignee: Catalysts & Chemicals Industries Co., Ltd.
    Inventors: Hiroyasu Nishida, Noboru Senju, Michio Komatsu
  • Publication number: 20040170551
    Abstract: The present invention relates to a complex oxide having a BET specific surface area of about 10 to about 200 m2/g, comprising zinc oxide as a primary component, containing crystalline structures of both zinc oxide and silica, and exhibiting diffraction peaks in lattice planes (100), (002), and (101), which are X-ray crystallographically specific to diffraction peaks of crystalline zinc oxide, and in a lattice plane (101) which is X-ray crystallographically specific to the diffraction peak of crystalline silica.
    Type: Application
    Filed: November 21, 2003
    Publication date: September 2, 2004
    Applicant: SHOWA DENKO K.K.
    Inventors: Hisao Kogoi, Jun Tanaka, Hiroyuki Hagihara
  • Publication number: 20040139890
    Abstract: A composite pigment is provided with the composite pigment including a dense inorganic material and silica. The pigment composition is characterized by a CTAB surface area of greater than about 20 m2/g; a BET surface area of greater than about 15 m2/g; and a density of greater than about 2.5 g/cm3.
    Type: Application
    Filed: January 17, 2003
    Publication date: July 22, 2004
    Inventors: Fitzgerald Alphanso Sinclair, Mark Edward Wozniak, Louis Frank Gatti, William C. Fultz
  • Patent number: 6689205
    Abstract: 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: Grant
    Filed: October 24, 2000
    Date of Patent: February 10, 2004
    Assignee: Merck Patent Gesellschaft
    Inventors: Hans-Dieter Brückner, Andrea Heyland, Christoph Schmidt, Christina Schank, Claudia Seibel
  • Patent number: 6656259
    Abstract: The invention relates to multilayered interference pigments which comprise a platelet-shaped substrate of silicon dioxide which is coated alternately with layers of light-transparent materials having refractive indices of n>1.8 and layers of light-transparent materials having refractive indices of n≦1.8, where the optical thickness of the platelet-shaped substrate and the optical thickness of the individual layers of light-transparent materials having refractive indices of n≦1.8 are the same.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: December 2, 2003
    Assignee: Merck Patent Gesellschaft mit beschraenkter Haftung
    Inventors: Gerhard Pfaff, Helge Kniess, Peter Reynders
  • Patent number: 6648957
    Abstract: Multilayer pearl lustre pigment on the basis of a platelet-shaped substrate comprising a material of low refractive index in the range from 1.35 to 1.8, which comprises at least (i) one first layer comprising a material having a refractive index of more than 1.8, (ii) optionally, a second layer comprising a material of low refractive index in the range from 1.35 to 1.8, (iii) a semitransparent metal layer which is applied to the substrate or to the layers (i) or (ii), and (iv) if desired, an aftercoating, the substrate being platelet-shaped silicon dioxide, aluminium oxide, boron oxide or magnesium fluoride.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: November 18, 2003
    Assignee: Merck Patent GmbH
    Inventors: Stephanie Andes, Gerald Fuchs-Pohl, Gerhard Pfaff
  • Patent number: 6616746
    Abstract: The titanium dioxide pigment of this invention has on the titanium dioxide particle surface a coating layer comprising a polyhydric alcohol and a hydrolysis product of an aminosilane compound, has a dispersibility of not more than 20 kg/cm2 as judged in terms of resin pressure increase, and is excellent in hydrophobicity and dispersibility. The pigment is useful as a coloring agent for plastics which requires good lacing resistance and dispersibility.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: September 9, 2003
    Assignee: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Hideo Takahashi, Eiji Yamada, Toshihiko Akamatsu, Takeshi Fujimura
  • Patent number: 6596061
    Abstract: Inorganic anti-corrosive pigments consist of surface-coated solids having a grain size of 0.1 to 75 &mgr;m. In order to improve the resistance of the paints and coatings containing such pigments, firstly Mn3(PO4)2 and secondly aluminium oxides and/or aluminium hydroxides are precipitated onto the solids.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: July 22, 2003
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventor: Thomas Rentschler