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| Number | Title | Issue Date |
| 7416600 | Silicon-titanium mixed oxide powder produced by flame hydrolysis Silicon-titanium mixed oxide powder produced by flame hydrolysis, which consists of aggregates of primary particles, with a BET surface area of 90±15 m2/g, a titanium dioxide proportion of 50±8 wt. % and an anatase/rutile ratio of 60:40 to 70:30. | 08/26/2008 |
| 7339000 | Method and apparatus for producing an aqueous paint composition from a plurality of premixed compositions The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject prem... | 03/04/2008 |
| 7338995 | Titanium dioxide—containing polymers and films with reduced melt fracture Pigmented polymer compositions and processes for preparing melt-processible polymer compositions contain a melt-processible polymer, surface treated organic pigment, typically titanium dioxide, and a polymer processing aid are described. The pigment is surface treat... | 03/04/2008 |
| 7318861 | Effect pigment An effect pigment is constituted by coated laminar platelets in which the platelets are a mixture of different platelet materials, one of which is platy glass or platy aluminum oxide, and in which the pigment exhibits visual homogeneity. ... | 01/15/2008 |
| 7276231 | Lower-energy process for preparing passivated inorganic nanoparticles The disclosure is directed to a method for reducing the chemical activity and photo activity of titanium dioxide nanoparticles comprising adding an amorphous alumina-stabilizing agent, specifically an anion, such as citric acid, to an aqueous slurry of the titanium ... | 10/02/2007 |
| 7255735 | Surface-modified silicon dioxide-titanium dioxide mixed oxides Pyrogenically prepared surface-modified silicon dioxide-titanium dioxide mixed oxides are prepared by spraying pyrogenically prepared silicon dioxide-titanium dioxide mixed oxides with a surface-modifying agent. The surface-modified pyrogenically prepared silicon di... | 08/14/2007 |
| 7250080 | Process for the manufacture of organosilicon compound-treated pigments An improved process for making an organosilicon compound surface-treated titanium dioxide material, comprising (a) forming a mixture of the titanium dioxide material in water, (b) wet milling the mixture, (c) adjusting the pH of the slurry resulting from step (b) to... | 07/31/2007 |
| 7214264 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. T... | 05/08/2007 |
| 7208142 | Indanylidene compounds Novel indanylidene compounds can be used as UV-A filters in cosmetic compositions for protecting skin and hair and for technical applications. ... | 04/24/2007 |
| 7166362 | Film-forming composition, production process therefor, and porous insulating film There are provided a film-forming composition that includes a hydrolysis product and/or a condensation product of a compound having a repeating unit represented by Formula (1) below. (In the formula, at least one o... | 01/23/2007 |
| 7160374 | Flaky pigments coated with a coupling agent and a perfluoroalkyl phosphate A flaky pigment excellent in leafing properties and in adhesion between pigment particles and a coating (resin) was obtained by coating the surface of a flaky pigment with a coupling agent and a phosphate having a perfluoroalkly group or a silane compound. According... | 01/09/2007 |
| 7157025 | Transparent coloring composition and color filter The transparent coloring composition comprises a solvent and an organic-inorganic composite pigment comprising (i) fine white inorganic particles and an organic pigment adhered to the surface of the respective fine white inorganic particles, or (ii) fine white inorg... | 01/02/2007 |
| 7144628 | Spherical silica-titania-based fine particles surface-treated with silane, production process therefor, and external additive for electrostatically charged image developing toner using same Spherical silica-titania-based fine particles surface-treated with silane are provided. The fine particles have a titanium atom content of 0.001 to 5% by weight, a frictional electrification with iron powder of −100 to −300 μC/g, a bulk density of 0.2 to 0.4 g/... | 12/05/2006 |
| 7138010 | Amino phosphoryl treated titanium dioxide The invention is a pigment comprising titanium dioxide and an amino phosphoryl compound. The pigment of the invention imparts improved physical qualities, such as improved lacing resistance and dispersion, when incorporated into polymers. ... | 11/21/2006 |
| 7022752 | Composite particles, process for producing the same, and pigment, paint and resin composition using the same Composite particles having an average particle diameter of 0.001 to 10.0 μm, comprise: white inorganic particles as core particles; a gluing agent coating layer formed on surface of the white inorganic particle; a... | 04/04/2006 |
| 6972301 | Process for producing organically modified metal oxides and products thereof A process of producing an organically modified metal oxide wherein an aqueous slurry of a metal oxide which can be peptized in the presence of an acid is admixed with an aqueous slurry of an oregano silage having the formula RySiX4-y, the mixtu... | 12/06/2005 |
| 6936348 | Method for deposition of rutile-type titanium dioxide, and substrate and glass flakes having the oxide attached thereto The present invention relates to a method of depositing rutile type titanium dioxide, and a substrate and glass flakes having rutile type titanium dioxide obtained using the method fixed thereto. An object of the present invention is to make heating essentially unne... | 08/30/2005 |
| 6899829 | Conductive polymer colloidal compositions with selectivity for non-conductive surfaces A conductive polymer colloidal composition that selectively forms a coating on a non-conductive surface. The conductive polymer colloidal composition is composed of a polymer and a sulfonate dopant. The conductive polymer colloidal composition may also contain condu... | 05/31/2005 |
| 6620234 | Processes for preparing hydrophobic inorganic oxide pigments The present invention provides a treatment method for rendering inorganic oxide particles, such as TiO2 pigment, hydrophobic by predispersing a suitably reactive organohalosilane into an aqueous media, using intensive mixing means (such as a ro... | 09/16/2003 |
| 6610135 | Titanium-containing finely divided particulate material, aqueous sol composition and coating liquid containing same, process for producing same, and shaped article having film thereof A titanium-containing finely divided particulate material, characterized by exhibiting a light transmittance of at least 85% as measured at a wavelength of 450-700 nm for a thickness of 10 mm on an aqueous liquid containing the titanium-containing materia... | 08/26/2003 |
| 6596071 | Organic and inorganic composite pigments, and paint and resin composition using the same Organic and inorganic composite pigments having an average particle diameter of 0.01 to 10.0 μm composed of a white inorganic particle, an organosilane compound obtained from alkoxysilanes, or polysiloxanes coating on the white inorganic particle, and an... | 07/22/2003 |
| 6582506 | Pigment flakes Pigment flakes having cores preferably composed of resins, polymers, thermoplastics, and/or thermosets with colorant (pigment and/or dyes) deposited thereon, coating applications thereof, and a method for making pigment flakes which includes providing a c... | 06/24/2003 |
| 6547870 | Pigment preparation The invention relates to a non-dusting, homogeneous pigment preparation, comprising ࣙ40% by weight of one or more effect pigments, 0.5-60% by weight of a polyalkylene glycol and/or one or more polyalkylene glycol derivatives, 0-10% by weight of a redispersin... | 04/15/2003 |
| 6544328 | Process for preparing pigment dispersible in paints and plastics concentrates A process for preparing an improved pigment which is readily dispersible in paints and plastics concentrates is provided. In accordance with the process, a particulate pigment is mixed with water to form a slurry thereof, and a surface active agent is mix... | 04/08/2003 |
| 6544327 | Pigment preparation The invention relates to a non-dusting homogeneous pigment preparation which is notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 60% by weight of an aldehyde resin and/or ketonic resin and from 0.1 to 10% by ... | 04/08/2003 |
| 6517629 | Methods for making low volatile titanium dioxide pigments The present invention provides a process for generating titanium dioxide pigments that have reduced moisture retention. By leaching oxidizer discharge and removing alumina containing compounds, one is able to generate a low volatile pigmentary bases. Thes... | 02/11/2003 |
| 6432195 | Pigment preparation with modified colophony resins The invention relates to a non-dusting, homogeneous pigment preparation which is distinguished by the fact that it comprises at least 40% by weight of one or more effect pigments and 0.5-59.5% by weight of a modified colophony resin, based on the pigment ... | 08/13/2002 |
| 6409815 | Surface-modified conductive pigment Surface-modified conductive pigment obtainable by partial coating of a conductive pigment with an organic modifying agent. The modifying agent is an organometallic compound of the elements silicon, tin, titanium, zirconium or aluminum. The pigment is prep... | 06/25/2002 |
| 6395081 | Methods for producing titanium dioxide pigments having improved gloss at low temperatures The present invention provides methods of preparing a titanium dioxide pigment having improved gloss properties which involves heating an aqueous slurry of base titanium dioxide pigment to a temperature below about 75° C., coating the base titanium dioxi... | 05/28/2002 |
| 6387498 | Bright metal flake based pigments A flake-based pigment is provided having improved specular reflectance characteristics in the visible wavelength range. The flake-based pigment has a plurality of core flake sections each formed of a central reflector layer and dielectric support layers o... | 05/14/2002 |
| 6383638 | Bright metal flake based pigments A flake-based pigment is provided having improved specular reflectance characteristics in the visible wavelength range. The flake-based pigment has a plurality of core flake sections each formed of a central reflector layer and dielectric support layers o... | 05/07/2002 |
| 6334893 | Pigment mixture The present invention relates to pigment mixtures containing at least two components component A being Al2 O3 flakes coated with one or more metals, metal oxides and/or metal sulfides and component B being acicular or spherical color... | 01/01/2002 |
| 6235105 | Thin film pigmented optical coating compositions Optical coating compositions containing thin film particulates or pigments that are capable of imparting to the coating preselected optical characteristics or properties, such as selective reflectance, transmission and absorptance of light energy, are com... | 05/22/2001 |
| 6214106 | Silane treated inorganic pigments The present invention provides a process for the production of hydrophobic inorganic oxide products which comprises reacting the inorganic oxide particles with organohalosilanes, preferably organochlorosilanes, to produce hydrophobic organosilane coated i... | 04/10/2001 |
| 6176918 | Modified nacreous luster pigments for water paint systems Modified pearl luster pigments for waterborn coating systems, based on a platelet-form substrate coated with metal oxides and, located on the topmost metal oxide layer, a top layer consisting of at least two oxides and/or mixed oxides from the group consi... | 01/23/2001 |
| 6139617 | Titanium dioxide pigments There are provided titanium dioxide pigments characterized by improved gloss developing and dispersibility properties in surface coating vehicles and reduced dispersant requirements. Said titanium dioxide pigments comprise pigmentary titanium dioxide part... | 10/31/2000 |
| 6139610 | Hybrid pigment grade corrosion inhibitor compositions and procedures A corrosion-inhibiting composition for application to a metal substrate, such as steel, silver, copper or aluminum, includes a film-forming organic polymer component and a dispersed pigment phase of a stable unitary hybrid which contains organic and inorg... | 10/31/2000 |
| 6133466 | Acryloxypropyl- or methacryloxypropyl-functional siloxane oligomers Mixtures of catenate and cyclic siloxane oligomers of formula I and II ##STR1## wherein the substituents R consist of 3-methacryloxypropyl or 3-acryloxypropyl groups and methoxy, ethoxy and/or propoxy groups alone or together with C1 -C | 10/17/2000 |
| 6086668 | Uniformly coated particulate metal oxide Metal oxide particles having a substantial uniform and homogeneous (across-particle) coating of a metal oxide or organofunctionalized metal oxide are disclosed and are prepared by hydrolysis of a monomeric precursor to the coating.... | 07/11/2000 |
| 6051060 | Method of making pigment with increased hydrophilic properties A method for making coated pigment particles by forming a suspension of the desired pigment particles in a medium that also comprises a polymer characterized by having hydrophobic moieties on the polymer backbone and ionic moieties that are present on, or... | 04/18/2000 |
