Titanium Compound Containing (ti) Patents (Class 106/436)
  • Patent number: 10364196
    Abstract: Improved coating formulations for cementitious composite building materials are disclosed herein. The coating formulations provide both sealer and primer functions, particularly for substrates in a high alkaline environment, such as fiber cement composite materials.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: July 30, 2019
    Assignee: James Hardie Technology Limited
    Inventors: Yongjun Chen, Caidian Luo
  • Patent number: 10344168
    Abstract: The present invention relates to a process for the preparation of an aqueous suspension comprising at least one calcium carbonate-containing material. The invention further relates to calcium carbonate-containing material having a ratio of particles having an average particle size d80 value to particles having an average particle size d20 value [d80/d20] of ?2.50 and the use of the calcium carbonate-containing material in paper and board applications, in cosmetics, in caulks and sealants, in paints and coatings, or in plastics applications.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: July 9, 2019
    Assignee: Omya International AG
    Inventors: Michael Pohl, Christian Rainer
  • Patent number: 10160862
    Abstract: The invention relates to a process for producing a titanium dioxide pigment obtainable by the sulfate process with a narrow particle size distribution, the pigment itself, and the use of said pigments in coatings and printing inks.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: December 25, 2018
    Assignee: Kronos International, Inc.
    Inventors: Volker Juergens, Siegfried Bluemel, Achim Abdin, Joerg Friedrich, Volker Schmitt
  • Patent number: 10083793
    Abstract: A method for producing a metal powder that includes a first step of uniformly arranging a metal compound on a metal particle, and a second step of converting the metal compound uniformly arranged on the metal particle into a complex metal compound. In the first step, a solution that contains at least one metal element and at least one group 4 element different from the metal element is prepared, the solution being adjusted to have a pH of 5 or less. The prepared solution is mixed with a reductant solution to coprecipitate the metal and the metal compound, thereby producing a slurry that contains a metal powder containing the metal combined with the metal compound. In the second step, a solution or a powder containing at least one second metal element is added to the slurry to convert the metal compound into the complex metal compound.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: September 25, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Nakanishi, Naoaki Ogata
  • Patent number: 10058501
    Abstract: Cationically-charged particulates and compositions containing the cationically-charged particulates for application to keratinous materials are provided. Methods of preparing the cationically-charged particulates are also disclosed.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: August 28, 2018
    Assignee: ELC Management LLC
    Inventor: Wilson A. Lee
  • Patent number: 9920203
    Abstract: This invention relates to a pearlescent pigment, which is composed of flaky alumina substrate particles produced by a hydrothermal process and coat layers formed on the flaky substrate particles and composed of at least one metal oxide including at least a titanium oxide. The metal oxide has an average particle size of from 1 to 500 nm. According to this invention, it is possible to provide a pearlescent pigment, which has wholly uniform photoluminescence and an elegant and silky feel in combination and can fully satisfy artistry as desired.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: March 20, 2018
    Assignee: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
    Inventors: Takashi Abe, Satoru Matsuzaki, Shotoku Takami
  • Patent number: 9914836
    Abstract: A coated silver colored colorant includes a silver colored pigment, and a primer polymer at least partially coating the silver colored pigment. The primer polymer has a glass transition temperature that is less than 40° C. A passivating polymer is attached to the primer polymer. The passivating polymer has a glass transition temperature that is greater than 40° C.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: March 13, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sivapackia Ganapathiappan, Hou T. Ng, Albert Teishev
  • Patent number: 9902800
    Abstract: A new polymer that is capable of forming a composite with titanium dioxide particles and latex particles when admixed therewith is provided. The new polymer includes a water soluble polymer backbone, a first functional group attached to the polymer backbone and having an affinity for latex, and a second functional group attached to the polymer backbone and capable of forming a bond with titanium dioxide. A polymer modified titanium dioxide pigment and a method of forming a pigmented paint formulation are also provided.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: February 27, 2018
    Assignee: Tronox LLC
    Inventors: Quan Su, Venkata Rama Rao Goparaju
  • Patent number: 9901914
    Abstract: A photocatalytic powdered water based paint is described comprising photocatalytic binding cement, inert micronized limestone, low viscosity cellulose, fluidifying agent, anti-foaming agent, vinyl polymer and pigments. The water based paint is characterized by the fact of comprising at least one and preferably all the following further additives: metakaolin, titanium dioxide, calcium formate and kieselguhr.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: February 27, 2018
    Assignee: AM TECHNOLOGY LIMITED
    Inventor: Massimo Bernardoni
  • Patent number: 9745405
    Abstract: A new polymer that is capable of forming a composite with titanium dioxide particles and latex particles when admixed therewith is provided. The new polymer includes a water soluble polymer backbone, a first functional group attached to the polymer backbone and having an affinity for latex, and a second functional group attached to the polymer backbone and capable of forming a bond with titanium dioxide. A polymer modified titanium dioxide pigment and a method of forming a pigmented paint formulation are also provided.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: August 29, 2017
    Assignee: Tronox LLC
    Inventors: Quan Su, Venkata Rama Rao Goparaju
  • Patent number: 9676634
    Abstract: The present invention relates to a novel method for producing titanium dioxide particles, and titanium dioxide particles produced thereby, and more specifically, to a novel method for producing titanium dioxide particles capable of producing titanium dioxide particles having uniform particle size through chemical reaction at a temperature equal to or lower than room temperature and can easily control the size of titanium dioxide particles, and titanium dioxide particles produced thereby, having a uniform particle size.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: June 13, 2017
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Kyung Byung Yoon, Hyun Sung Kim, Myunpyo Hong
  • Patent number: 9603784
    Abstract: The present invention relates to a process for treating sol-gel capsules comprising a cosmetic or pharmaceutical active material with an inorganic material, as well as sol-gel capsules produced by a process according to the present invention and formulations comprising such sol-gel capsules.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: March 28, 2017
    Assignee: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Yukitaka Watanabe, Yuichi Kubota, Fumiko Sasaki, Keisuke Kawagoe, Gabriele Witte, Frank Pfluecker
  • Patent number: 9573126
    Abstract: The present disclosure relates to a photocatalytic composition comprising photocatalytic titanium dioxide particles being dispersed in a continuous phase, and at least one anti-photogreying additive, wherein said at least one anti-photogreying additive is adapted to limit photogreying of said titanium dioxide particles while the photocatalytic activity of said titanium dioxide particles is maintained, and wherein the photo greying index (?L) of said composition is less than 6.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 21, 2017
    Assignee: Valinge Photocatalytic AB
    Inventors: Michael Humle, Simon Lausten Østergaard
  • Patent number: 9447215
    Abstract: This invention provides a multistage emulsion polymer including, as copolymerized units: from 0.5% to 5%, by weight P-acid monomer, based on the weight of the emulsion polymer; from 0% to 0.05% by weight multiethylenically unsaturated monomer, based on the weight of the emulsion polymer; and at least one second monoethylenically unsaturated monomer; the emulsion polymer having a calculated Tg of from ?20° C. to 50° C.; the emulsion polymer is formed by the “pulsed” addition of 75% to 100% of the P-acid monomer during a stage including from 10% to 50% of the total monomer weight, preferably added during the relatively early stages of the polymerization. A multistage polymer/TiO2 composite particle and an aqueous coating composition including the composite particle are also provided.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: September 20, 2016
    Assignee: Rohm and Haas Company
    Inventors: James Charles Bohling, Steven James Broadwater, Arnold Stan Brownell, John William Hook, III, Reginald T. Smart
  • Patent number: 9440221
    Abstract: Provided is a titanium oxide dispersion liquid that has dispersibility and dispersion stability both at superior levels and, when applied and dried, can form a photocatalyst coating film capable of rapidly developing excellent photocatalytic activity. The titanium oxide dispersion liquid according to the present invention includes titanium oxide particles (A), a dispersing agent (B), and a solvent (C). The titanium oxide particles (A) support a transition metal compound. The dispersing agent (B) includes a poly(acrylic acid) or a salt thereof. The poly(acrylic acid) or a salt thereof in the dispersing agent (B) preferably includes a poly(acrylic acid) alkali metal salt. The poly(acrylic acid) or a salt thereof in the dispersing agent (B) preferably has a weight-average molecular weight of from 1000 to 100000.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: September 13, 2016
    Assignee: DAICEL CORPORATION
    Inventors: Ryouta Kojima, Naoyuki Fukui, Hitoshi Watanabe
  • Patent number: 9371466
    Abstract: A process for encapsulating TiO2 particles by polymerizing sodium styrene sulfonate with a redox initiator system; then polymerizing a first monomer mixture comprising at least 60 wt % acrylic monomers; then polymerizing a second monomer mixture comprising at least 40 wt % vinyl ester monomers.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: June 21, 2016
    Assignee: Rohm and Haas Company
    Inventors: Kathleen A. Auld, James Keith Bardman, Michele Heffner, David G. Kelly, Michael Rhodes
  • Patent number: 9254398
    Abstract: Disclosed is a composition having a substrate comprising metal oxide particles. The substrate has a coating thereon that includes an organic dispersant present in a amount that renders the substrate self-dispersible. Also disclosed is a composition, such as a cosmetic composition, that includes that self-dispersible coated substrate, and a process that includes coating a particulate metal oxide with an organic dispersant to render the metal oxide self-dispersible.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: February 9, 2016
    Assignee: KOBO PRODUCTS INC.
    Inventors: David Schlossman, Yun Shao, Carl Orr
  • Patent number: 9248439
    Abstract: Molecularly imprinted catalysts are disclosed. The catalysts can include a core and a layer at least partially encapsulating the core. The core can include a titania-based photocatalyst. The layer can include titania covalently coupled to one or more silane coupling agents having an organic functional group. The layer can also include one or more molecular-sized cavities configured to selectively receive one or more contaminants. Also disclosed herein are methods of making and using the molecularly imprinted catalyst, as well as apparatuses and compositions including the molecularly imprinted catalyst.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: February 2, 2016
    Assignee: Empire Technology Development LLC
    Inventor: Xiaobin Hu
  • Patent number: 9023147
    Abstract: There is provided provide a method for efficiently producing a rutile type titanium sol having a particle diameter based on dynamic light scattering method of 5 nm to 100 nm that is excellent in dispersibility. The method for producing a rutile type titanium oxide sol comprising: process (a): mixing metastannic acid, a titanium alkoxide, a quaternary ammonium hydroxide, oxalic acid, and water so as to contain 0.02 moles to 0.8 moles of tin atoms, 0.1 moles to 3.5 moles of the quaternary ammonium hydroxide, and 0.1 moles to 8.0 moles of the oxalic acid with respect to 1 mole of titanium atoms of the titanium alkoxide to prepare a titanium-containing aqueous solution with a concentration in terms of TiO2 of 0.1% by mass to 15% by mass; and process (b): subjecting the titanium-containing aqueous solution obtained in process (a) to a hydrothermal treatment at a temperature from 100° C. to 170° C.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: May 5, 2015
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Natsumi Murakami, Ai Miyamoto, Yoshinari Koyama
  • Patent number: 9011593
    Abstract: The present invention is directed to a process for the preparation of an aqueous suspension of self-binding pigmentary particles comprising the following stages: (a) forming one or more aqueous suspensions of at least one inorganic matter comprising calcium carbonate; (b) forming or obtaining one or more aqueous solutions or suspensions or emulsions of at least one binder; and (c) co-grinding the aqueous suspension or suspensions obtained in stage a) with the aqueous solutions or suspensions or emulsions obtained in stage b) in a mill so as to obtain an aqueous suspension of self-binding pigmentary particles.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: April 21, 2015
    Assignee: Omya International AG
    Inventors: Patrick Gane, Joachim Schoelkopf
  • Patent number: 8974592
    Abstract: The present invention relates to a coating composition containing metal oxide particles with a high refractive index and low photocatalytic activity and a coating film obtained by applying the coating composition onto a substrate. The coating composition contains metal oxide particles with a high refractive index obtained by coating the specific fine particles of the titanium-based oxide on their surfaces with at least a silica-based oxide or a silica-based composite oxide, and the coating film is obtained by applying the coating composition onto a substrate. The metal oxide particles with not only a high refractive index but also low photocatalytic activity, and therefore a coating film with excellent weathering resistance and light resistance can be formed on a substrate.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: March 10, 2015
    Assignee: JGC Catalysts and Chemicals, Ltd.
    Inventors: Yoichi Ishihara, Sachio Murai, Toshiharu Hirai, Michio Komatsu
  • Patent number: 8940189
    Abstract: The present invention relates to intensely colored and/or optically variable pigments which have a flake-form transparent or semitransparent electrically conductive core and at least one coloring dielectric layer surrounding the core, to a process for the preparation of such pigments, and to the use thereof.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 27, 2015
    Assignee: Merck Patent GmbH
    Inventors: Burkhard Krietsch, Matthias Kuntz, Reinhold Rueger
  • Patent number: 8936675
    Abstract: The present invention relates to new precast cementitious products with photocatalytic activity, and to a process to obtain them.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: January 20, 2015
    Assignee: Italcementi S.p.A.
    Inventor: Roberta Alfani
  • Patent number: 8916236
    Abstract: The invention relates to a method of forming (rutile) titanium dioxide-coated platelet-like pigments in which hydrous titanium dioxide is deposited on platelet-like particles followed by calcining, comprising (a) effecting the titanium deposit in the presence of an ?-hydroxy carboxylic acid, especially glycolic acid, or oxalic acid, and an amino acid, especially glycine, alanine, valine, aspartic acid (?-, ?- and ?-form); or an amino acid; to the pigments obtained by the method and the use thereof. The method can work in the absence of exogenous metal and Ti(III). The rutile TiO2-coated substrate of the present invention has at least the same advantages and characteristics of a tin containing product which includes luster, color, color homogeneity and few small particle formation during manufacture.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: December 23, 2014
    Assignee: Ciba Corporation
    Inventor: Patrice Bujard
  • Publication number: 20140338566
    Abstract: The invention relates to a method for the surface treatment of inorganic pigment particles with agglomerates of fine primary particles or single crystals of inorganic compounds, particularly of oxides or sulphates. The method is characterized in that the inorganic compounds are first precipitated from an aqueous solution under suitable pH conditions in a separate vessel in the form of fluffily structured agglomerates and/or single crystals. The precipitation product is subsequently added to an aqueous suspension of inorganic pigment particles. The method is particularly suitable for the surface treatment of titanium dioxide particles, in order to achieve high hiding power or high opacity when used in emulsion paints or laminates.
    Type: Application
    Filed: August 1, 2014
    Publication date: November 20, 2014
    Applicant: Kronos International, Inc.
    Inventors: Volker Juergens, Alexander Breyder, Frank Mersch, Siegfried Bluemel, Volker Schmitt
  • Patent number: 8882902
    Abstract: The present invention relates to a composite pigment comprising a substrate, said substrate being at least in part covered by at least one layer comprising at least one solid organic UV filter. The composite pigment can be prepared by a method comprising a step of subjecting a substrate, at least one solid organic UV filter, and optionally at least one solid inorganic UV filter, at least one additional UV filter and/or at least one coloring pigment, to a mechanochemical fusion process such as a hybridizer process. The composite pigment can be advantageously used as a component for a cosmetic composition.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: November 11, 2014
    Assignee: L'Oreal
    Inventors: Takahiro Suzuki, Takehiko Kasai
  • Patent number: 8876965
    Abstract: A composite comprising a silicate material, such as, a sodium aluminosilicate, and titanium dioxide disposed on the surface thereof is disclosed, together with formulations comprising the composite and methods for preparing the same.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: November 4, 2014
    Assignee: J.M. Huber Corporation
    Inventors: Hilary Ellen Matthews, Ronald Louis Romer
  • Publication number: 20140308489
    Abstract: The present invention provides a novel surface-treated molybdenum compound powder and provides a prepreg, a laminate, a metal foil laminate, a printed wiring board, and the like that have a low thermal expansion coefficient in the planar direction, and excellent drillability, heat resistance, and flame retardancy. The surface-treated molybdenum compound powder of the present invention has at least part of the surface thereof coated with an inorganic oxide, and this is used as a filler.
    Type: Application
    Filed: September 12, 2012
    Publication date: October 16, 2014
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Tetsuro Miyahira, Yoshihiro Kato, Takaaki Ogashiwa, Hiroshi Takahashi
  • Patent number: 8858701
    Abstract: The invention relates to the manufacture of pigment-containing composite pigment particles containing titanium dioxide pigment particles and at least one inorganic and/or organic filler as extender, as well as calcium carbonate that is precipitated in the process, and their use for improving the pigment light-scattering efficiency in coatings, plastics and laminates. The extender is preferably selected from Ca-, Ca—Mg- and Mg-carbonates, natural and synthetic silicon dioxide and oxides and are manufactured in a combined process of precipitation and dispersion. Depending on the combination selected, the use of composite pigment particles according to the invention permits pigment savings with little or no loss of optical properties. Alternatively, if the pigment content remains unchanged, it is possible to achieve better values, e.g. for tinting strength. Particularly, a part or the whole TiO2 quantity in the user system can be replaced by the composite pigment particles according to the invention.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: October 14, 2014
    Assignee: Kronos International, Inc.
    Inventors: Uwe Wilkenhoener, Frank Mersch
  • Patent number: 8840718
    Abstract: The invention is a coating composition comprising photocatalytic titanium dioxide particles, an opacifying agent, a silicone compound, de-HNO3 particles, styrene resin hollow microspheres, and a solvent. The combination of a silicone compound and styrene resin hollow microspheres in a depolluting coating composition results in improved opacity and durability compared to conventional coatings.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: September 23, 2014
    Assignee: Cristal USA Inc.
    Inventor: John Stratton
  • Publication number: 20140261086
    Abstract: A process for manufacturing titanium dioxide pigment is provided. The process comprises preparing an aqueous slurry of titanium dioxide particles. The process further includes deagglomerating the aqueous slurry of titanium dioxide particles using ultrasonication.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Applicant: Tronox LLC
    Inventors: Venkata Rama Rao Goparaju, David F. Marshall, Vahid Kazerooni
  • Patent number: 8834680
    Abstract: The present invention relates to a filler composition comprising a) a filler, b) a cationic inorganic compound, c) a cationic organic compound, and d) an anionic polysaccharide, wherein the filler is present in an amount of at least about 1% by weight, based on the total weight of the composition, the anionic polysaccharide is present in an amount of about 1 to about 100 kg/ton, based on the weight of filler, and wherein the composition is substantially free from fibers.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: September 16, 2014
    Assignee: AKZO Nobel N.V.
    Inventors: Patrik Simonson, Michael Persson
  • Publication number: 20140234595
    Abstract: The aqueous ink white pigment of the present embodiment contains a metal compound (1) which satisfies the following specific conditions of (A), (B), and (C). (A) The metal compound (1) described above includes titanium dioxide, and a metal compound (2) where a refractive index at a wavelength of 550 nm is 1.60 or more and 2.45 or less, when the total of the titanium dioxide described above and the metal compound (2) described above is 100 wt %, the content of the titanium dioxide described above is 50 wt % or more and 99 wt % or less and the content of the metal compound (2) described above is 1 wt % or more and 50 wt % or less. (B) The peak value of the volume particle size distribution of the metal compound (1) which is measured with a dynamic light scattering method is in a range of 100 to 700 nm. (C) The pore volume of the metal compound (1) described above which is calculated with the BJH (Barrett-Joyner-Halenda) method is 0.1 ml/g or more and 0.65 ml/g or less.
    Type: Application
    Filed: August 8, 2012
    Publication date: August 21, 2014
    Applicant: Mitsui Chemicals Inc.
    Inventors: Yukiko Egami, Hiroko Wachi, Norio Nakayama, Hiroshi Maekawa
  • Patent number: 8747542
    Abstract: A method for producing a rutile titanium oxide sol having a particle diameter measured by dynamic light scattering of 5 nm to 100 nm, the method comprising: a process (a): mixing a tin oxalate aqueous solution, a titanium alkoxide, oxalic acid, a quaternary ammonium hydroxide, and water, while adjusting, per mole of titanium atoms, a proportion of tin atoms to be from 0.1 mol to 0.8 mol, a proportion of the oxalic acid to be from 0.01 mol to 5 mol, and a proportion of the quaternary ammonium hydroxide to be from 0.1 mol to 3.5 mol to prepare a titanium-containing aqueous solution having a concentration in terms of TiO2 of 0.1% by mass to 15% by mass; and a process (b): performing hydrothermal treatment on the titanium-containing aqueous solution produced in the process (a) at 100° C. to 200° C.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: June 10, 2014
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Natsumi Murakami, Ai Miyamoto, Yoshinari Koyama
  • Patent number: 8728227
    Abstract: Multilayer pearlescent pigments with a silver interference color, based on platelet-shaped transparent substrates with an optically active coating, where the optically active coating includes at least a) a high-index layer A having a refractive index n ?1.8 b) a low-index layer B having a refractive index n <1.8 c) a high-index layer C having a refractive index n ?1.8 and also d) optionally an outer protective layer D. The multilayer pearlescent pigments have the indices D10, D50, D90 from the cumulative frequency distribution of the volume-averaged size distribution function, with a span ?D of 0.7 -1.4, the span ?D being calculated in accordance with the formula ?D =(D90 - D10)/D50. The invention further relates to a method for producing these multilayer pearlescent pigments, and also to their use.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: May 20, 2014
    Assignee: Eckart GmbH
    Inventors: Dirk Schumacher, Michael Grüner, Günter Kaupp
  • Patent number: 8663518
    Abstract: A method of producing a titanium dioxide pigment is provided. Also provided is a method of improving the processability of titanium dioxide particles without adversely affecting the rheological properties of the titanium dioxide particles.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: March 4, 2014
    Assignee: Tronox LLC
    Inventors: Kamlesh G. Panjnani, David F. Marshall, Jeffrey D. Elliott
  • Patent number: 8663820
    Abstract: The invention relates to a printed document of value having at least one authenticity feature in the form of a luminescent substance based on doped host lattices. The host lattice has a strong crystal field and is doped with at least one chromophore with the electron configuration (3d)2.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: March 4, 2014
    Assignee: Giesecke & Devrient GmbH
    Inventors: Thomas Giering, Rainer Hoppe, Fritz Stahr
  • Patent number: 8663380
    Abstract: A flame spray pyrolysis process for the preparation of ultrafine titania particles coated with a smooth, homogeneous coating of one or more metal oxides is provided. The metal oxide coating is achieved by contacting the titania particles with a metal oxide precursor downstream of the titania formation zone, after the titania particles have formed. The process provides titania particles with a high rutile content and a smooth and homogeneous coating of a metal oxide.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: March 4, 2014
    Assignee: Cristal USA Inc.
    Inventors: M. Kamal Akhtar, Sotiris Emmanuel Pratsinis, Martin Christian Heine, Alexandra Teleki Harsanyi, Reto Strobel
  • Patent number: 8653147
    Abstract: The present invention discloses an inorganic/organic mixed component (I/O) dispersant and applications thereof, which is primarily applied to dispersing nanoparticles of metal oxides. The I/O dispersant of the present invention can be a composite of inorganic clay and an organic surfactant, a composite of inorganic clay and polyoxyalkylene-amine, or a composite of inorganic clay, polyisobutylene succinic anhydride (PIB-SA) and hydrochloric acid salt or tetraalkyl quaternary salt of polyoxyalkylene-amine, or fatty amines. By mixing with the I/O dispersant of the present invention, nanoparticles of a metal oxide can be uniformly dispersed without aggregation particularly at high solid content. The dispersion has a lower viscosity and is relatively stable in storage even at high temperature.
    Type: Grant
    Filed: November 20, 2011
    Date of Patent: February 18, 2014
    Assignee: National Taiwan University
    Inventors: Jiang-Jen Lin, Yen-Chi Hsu, Ming-Li Chiang, Chien-Chia Chu
  • Patent number: 8647565
    Abstract: The multifunctional paint is based on a highly porous inorganic substance created by a reaction of at least two components. TiO2 nanoparticles are attached to the surface of this substance. The first component is a water insoluble calcium compound and the second component is a water soluble sulfate. The method of applying the multifunctional paint on the surface is that the first component containing the water suspension of the insoluble calcium compound is applied on the treated area first and subsequently a mixture of TiO2 nanoparticles suspended in the water solution of the second component is applied over the first layer. Another way is to apply a water suspension of the first component containing also TiO2 nanoparticles on the treated surface and then deposit the water solution of the second component on the layer. A mixture of all components can be also applied on the treated area at once.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: February 11, 2014
    Assignee: Advanced Materials—JTJ S.R.O.
    Inventors: Jan Procházka, Jr., Jan Procházka, Sr.
  • Patent number: 8647429
    Abstract: The present invention relates to effect pigments based on uncoated or coated flake-form substrates having an outer coating comprising a) TiO2 and b) Al2O3, MgO and/or CaO and c) SiO2 and d) ZnO and/or e) at least one mixed oxide of the elements mentioned under a) to d), and to the use thereof, inter alia in paints, coatings, printing inks, plastics and cosmetic formulations.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: February 11, 2014
    Assignee: Merck Patent GmbH
    Inventors: Sabine Melson, Volker Wilhelm, Ulrich Schoenefeld
  • Publication number: 20140000483
    Abstract: The invention relates to a method for the surface treatment of inorganic pigment particles with agglomerates of fine primary particles or single crystals of inorganic compounds, particularly of oxides or sulphates. The method is characterized in that the inorganic compounds are first precipitated from an aqueous solution under suitable pH conditions in a separate vessel in the form of fluffily structured agglomerates and/or single crystals. The precipitation product is subsequently added to an aqueous suspension of inorganic pigment particles. The method is particularly suitable for the surface treatment of titanium dioxide particles, in order to achieve high hiding power or high opacity when used in emulsion paints or laminates.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 2, 2014
    Applicant: Kronos International, Inc.
    Inventors: Volker Juergens, Alexander Breyder, Frank Mersch, Siegfried Bluemel, Volker Schmitt
  • Patent number: 8530554
    Abstract: A polymer assisted deposition process for deposition of metal oxide films is presented. The process includes solutions of one or more metal precursor and soluble polymers having binding properties for the one or more metal precursor. After a coating operation, the resultant coating is heated at high temperatures to yield metal oxide films. Such films can be epitaxial in structure and can be of optical quality. The process can be organic solvent-free.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: September 10, 2013
    Assignee: Los Alamos National Security, LLC
    Inventors: Thomas M. McCleskey, Anthony K. Burrell, Quanxi Jia, Yuan Lin
  • Patent number: 8518174
    Abstract: Under the presence of at least one out of copper, manganese, nickel, cobalt, iron, zinc, and compounds thereof, a tetravalent titanium salt solution and a basic solution are reacted together to form a hydroxide of titanium and the above metal, and then the titanium hydroxide is peroxidated with an oxidizing agent to manufacture an aqueous liquid or dispersion having titania-metal composite having peroxy groups, and not having a photocatalytic activity fine particles dispersed therein, wherein the titania-metal composite includes particles of at least one of elemental copper, manganese, nickel, cobalt, iron, zinc and compounds thereof; using this to form a coating film, a drop in decorativeness of color due to fading or discoloration of a coating material, a printed article, a building material, a fiber, an organic polymer resin product or the like can be prevented, and moreover surface anti-soiling and hydrophilic properties can be realized.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: August 27, 2013
    Assignee: Sustainable Titania Technology Incorporated
    Inventors: Shiro Ogata, Yoshimitsu Matsui
  • 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
  • Patent number: 8500901
    Abstract: The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise (A) a layer of SiO2 having a layer thickness of 5-350 nm, (B) a high-refractive-index coating having a refractive index n of >1.8 and/or (C) an interference system consisting of alternating high- and low-refractive-index layers and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, automotive 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 tent awnings, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, and for the preparation of pigment preparations and dry preparations.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: August 6, 2013
    Assignee: Merck Patent GmbH
    Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
  • Patent number: 8475581
    Abstract: De-polluting, self-cleaning coating compositions are disclosed which comprise photocatalytic titanium dioxide and a binder comprising an epoxy siloxane polymer. The compositions produce durable, self-cleaning coatings with photocatalytic activity against pollutants in the air, such as NOx compounds.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: July 2, 2013
    Assignee: Cristal USA Inc.
    Inventors: John Stratton, Graham Goodwin
  • Patent number: 8435340
    Abstract: An aqueous coating composition having a PVC of from 78 to 88% comprising, based on the total volume solids of the dry coating unless otherwise stated: a) opacifying pigment particles comprising i) from 3 to 10% titanium dioxide, ii) from 0 to 20% of hollow polymeric particles; b) non-opacifying extender particles comprising i) calcium magnesium carbonate, and/or ii) calcium carbonate, and/or iii) nepheline syenite, and/or iv) kaolin, wherein i)+ii)+iii)+iv)=40 to 80%, and iv) is 0 to 20%; c) polymer binder particles of calculated Fox Tg of from 25 to 70° C. having an acid value of from 15 to 65 mg KOH/g of polymer and wherein the polymer particles are derived from acrylic monomers and optionally further comprising styrene and/or its derivatives; d) dispersant having a weight average molecular weight of at least 3500 Daltons; e) fugitive coalescing solvent; wherein the composition is free of non-fugitive coalescing solvent.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: May 7, 2013
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Stephen Arthur Wheeler, Anthony David Woods, Simon Nicholas Emmett, Javier Perez-Amoros
  • Publication number: 20130074734
    Abstract: The invention relates to a method for the surface modification of titanium dioxide pigment and to its use, particularly in coatings, for interior and exterior walls (emulsion paints) and in water-borne paint systems. The method for surface modification is based on a titanium dioxide pigment that has been provided with a fluffily structured surface coating and where the fluffily structure of the surface coating is at least partially compacted, preferably by exposing the pigment particles to high shear and impact forces. The pigment particles are preferably coated with silicon oxide and/or aluminium oxide. The method according to the invention preferably reduces the specific surface area (BET) by roughly 30%. The pigment according to the invention can be used to optimise the rheological properties and the open time of the paint.
    Type: Application
    Filed: September 20, 2012
    Publication date: March 28, 2013
    Inventors: Uwe Wilkenhoner, Jurgen Bender
  • Patent number: 8404204
    Abstract: The present invention is directed to a granulate having photocatalytic activity, comprising particles of an inorganic particulate material coated with a photocatalytically active compound for introducing photocatalytic activity into or on building materials. The invention is further related to the manufacture of such a granulate and its use into or on building materials such as cement, concrete, gypsum and/or limestone and water-based coatings or paints for reducing an accumulation and growth of microorganisms and environmental polluting substances on these materials and thus reducing the tendency of fouling, while the brilliance of the color is maintained and the quality of the air is improved.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: March 26, 2013
    Assignee: Rockwood Italia SpA
    Inventors: Marino Sergi, Christian Egger