Patents Examined by Vickey Ronesi
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Patent number: 7402627Abstract: The present invention relates to copolymer surfactants and their use in, e.g., coatings such as latex paint and solvent-based paint, and to a method of dispersing colored pigments using the copolymer surfactant, colorant compositions in which at least one pigment is dispersed by a copolymer surfactant of the invention, a paint which has a colorant composition of the invention, and a method for making a paint having a colorant composition of the invention.Type: GrantFiled: December 4, 2003Date of Patent: July 22, 2008Assignee: Columbia Insurance CompanyInventors: Yong Yang, Mohammad Asif, Robert J. Sheerin
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Patent number: 7399801Abstract: Provided is a curable composition which can easily regulate the properties of a cured object prepared therefrom, which can prepare a cured object that does not substantially discolor or soften a finishing agent or coating material applied to the surface thereof, and which has a high curing rate in the inner regions. The curable composition contains (A) a polymer having at least one mercapto group at the molecular ends, the polymer being derived from a thiocarbonylthio group-containing polymer (a2) prepared by polymerizing a monomer (a1) which contains an acrylic ester as a principal component and which contains 50% by weight or more of the acrylic ester and less than 50% by weight of a monomer copolymerizable with the acrylic ester in the presence of a thiocarbonylthio group-containing compound; (B) a compound having at least two mercapto groups per molecule; and (C) an oxidizing agent.Type: GrantFiled: October 3, 2002Date of Patent: July 15, 2008Assignee: Kaneka CorporationInventors: Ryotaro Tsuji, Tomoki Hiiro
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Patent number: 7357962Abstract: An automobile body-used light-colored water based coating composition containing a water dispersion (A1) prepared by water-dispersing a block copolymer resin (A) comprising a copolymer (a1) obtained by copolymerizing a monomer component containing an olefin monomer and a copolymer (a2) obtained by copolymerizing a monomer component containing a carboxyl group or carboxylic anhydride group-containing vinyl monomer, a hydroxyl group-containing resin (B), a curing agent (C) and a color pigment, a resulting coating film having a lightness L* value in accordance with a L*a*b* color system as defined in JIS Z 8729 in the range of 80 or more.Type: GrantFiled: October 14, 2004Date of Patent: April 15, 2008Assignee: Kansai Paint Co., Ltd.Inventors: Hideaki Katsuta, Shingo Sato, Yoshizumi Matsuno
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Patent number: 7351759Abstract: An elastomeric composition usable for the manufacture of tires, based on at least (i) a diene elastomer, (ii) an inorganic filler as reinforcing filler and (iii), as (inorganic filler/diene elastomer) coupling agent, a polysilylated organosilicon compound which is at least bifunctional and can be grafted onto the elastomer by means of a sulfur group having a polythiosulfenamide function, of formula: ?Si—A—Sx—NR1R2 ,??(I) in which: A is a divalent bond group, whether straight-chain or branched, which makes it possible to join the polythiosulfenamide group to a first silicon atom of the organosilicon compound; x is an integer or fractional number of from 2 to 4; R1 represents hydrogen, a monovalent hydrocarbon group, or R2; and R2 represents the grouping: —B—Si?, in which: B is a divalent bond group, whether straight-chain or branched; Si represents a second silicon atom of the organosilicon compound. The invention also concerns tires and tire treads comprising a composition of this type.Type: GrantFiled: December 11, 2003Date of Patent: April 1, 2008Assignee: Michelin Recherche et Technique S.A.Inventors: José-Carlos Araujo-Da-Silva, Christiane Blanchard, Gérard Mignani, Salvatore Pagano, Jean-Claude Tardivat
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Patent number: 7337815Abstract: The invention relates to a tire with a component composed of a rubber composition containing at least two diverse carbon blacks. In one aspect such tire is a heavy tire and such component is a tread for a heavy tire which contains at least two diverse carbon blacks to aid in providing an improved path for thermal conductivity for a heavy tire with its relatively thick cross section such as, for example, its relatively thick tread.Type: GrantFiled: January 20, 2004Date of Patent: March 4, 2008Assignee: The Goodyear Tire & Rubber CompanyInventors: Leighton Randolph Spadone, Paul Harry Sandstrom
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Patent number: 7334974Abstract: A composition for use as a self-locking agent is provided which comprises an aqueous dispersion of the following ingredients dissolved and dispersed in water: (a) a polyamide powder insoluble or slightly soluble in water, (b) an isocyanate compound, (c) a surfactant and (d) a water-soluble polyamide. The composition permits a polyamide resin layer of a smooth surface to be formed on a screw surface of a to-be-coated member. With use of the composition, it is possible to prevent slippage and sagging of the resin layer coated on the screw surface and improve the precision in resin coating processing.Type: GrantFiled: October 25, 2002Date of Patent: February 26, 2008Assignee: Three Bond Co. Ltd.Inventors: Satoshi Matsuo, Hidenori Kanazawa
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Patent number: 7297375Abstract: An aqueous coating material curable physically, thermally, or both thermally and with actinic radiation, comprising A) at least one ionically and/or nonionically stabilized polyurethane which is saturated, unsaturated and/or grafted with olefinically unsaturated compounds, as binder, B) at least one color and/or effect pigment, and C) at least one colorless, transparent or opaque powder which is substantially inert with respect to the other constituents of the coating material and whose particles have an average size of from 1.0 to 10.0 ?m and a density of from 0.8 to 3.6 g cm?3; and its use for producing single-coat and multicoat color and/or effect paint systems on primed and unprimed substrates.Type: GrantFiled: January 30, 2001Date of Patent: November 20, 2007Assignee: BASF Coatings AGInventors: Egon Wegner, Stephan Schwarte, Frank Jansing
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Patent number: 7294659Abstract: An aqueous ink composition comprising: a pigment, having a particle diameter as determined by the light scattering method of no less than 20 nm and no more than 200 nm; and a water dispersible polymer, having a styrene-equivalent number average molecular weight of as determined by gel permeation chromatography no less than 5000 and no more than 200000, having a surface tension of no less than 20 mN/m and no more than 40 mN/m, and wherein the abovementioned pigment is a polymer-coated pigment that is coated with the abovementioned water dispersible polymer, is provided. The water-dispersible polymer may be a copolymer of monomers, mainly comprising acrylic acid and/or methacrylic acid and an acrylate and/or methacrylate. With this ink composition, the printing quality can be improved.Type: GrantFiled: April 6, 2004Date of Patent: November 13, 2007Assignee: Seiko Epson CorporationInventor: Masahiro Yatake
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Patent number: 7288587Abstract: The poly(phenylene oxide) resin composition of the invention is a poly(phenylene oxide) resin composition containing poly(phenylene oxide) and triallyl isocyanurate, wherein the poly(phenylene oxide) has a number average molecular weight in a range from 2,000 to 12,000 and the IPN structure can be formed in a cured product of the poly(phenylene oxide) and triallyl isocyanurate to provide a high heat resistance, and at the same time by using a poly(phenylene oxide) with a relatively low molecular weight, the fluidity of the melt resin can be made desirable at the time of molding to result in high molding properties.Type: GrantFiled: March 11, 2002Date of Patent: October 30, 2007Assignee: Matsushita Electric Works, Ltd.Inventors: Eiitirou Saitou, Kiyotaka Komori, Naoki Itou
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Patent number: 7288288Abstract: A coating composition comprising (a) 10 to 60 wt. % of one or more hydroxy-, carboxy- and/or amino-functionalized solid resins selected from the group of methacrylic resins, acrylic resins, polyester resins, polyurethane resins, epoxy modified resins with linear, branched or star structure, (b) 5 to 40 wt. % of one or more crosslinking agents for component (a), (c) 5 to 70 wt. % of a filler, such as, aluminum hydroxide, (d) 0 to 40 wt. % of a ground polymer material, (e) 0 to 35 wt. % of organic solvents, (f) 0.01 to 15 wt. % % of additives and pigments and (g) 0 to 30 wt. % reactive thinners.Type: GrantFiled: May 25, 2005Date of Patent: October 30, 2007Assignee: E.I. du Pont de Nemours and CompanyInventors: Richard Milic, Zdenka Kupcakova
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Patent number: 7276549Abstract: A coating for preparing a floor underlayment to receive an adhesive includes a water-soluble, latex polymer, a defoamer and a dual-function surface enhancing agent. The surface enhancing agent includes a set accelerator that also functions to cross link the adhesive, hardening the surface of the underlayment using at least two mechanisms. One embodiment of the invention is a dry mixture that forms a coating when added to water. The dry mixture includes from about 10% to about 50% of the redispersible polymer by weight based on the mixture, from about 50% to about 90% of the surface enhancing agent and from about 0.15% to about 0.25% of the defoamer by weight based on the mixture. Other embodiments describe a liquid coating formed by adding from about 1 to about 8 pails water to 1 part of the dry mixture on a volumc basisby volume based on the mixture.Type: GrantFiled: January 12, 2004Date of Patent: October 2, 2007Assignee: United States Gypsum CompanyInventors: Qingxia Liu, John W. Ellicson, David McDonald
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Patent number: 7273898Abstract: It is an object of the present invention to provide an ink jet recording ink with excellent storage stability, with which no mold or other microbes will be generated over an extended period. The ink jet recording ink of the present invention contains water and a colorant comprising a pigment encapsulated by a polymer having a carboxyl group, wherein this ink jet recording ink is characterized by containing at least methylisothiazolone and octylisothiazolone.Type: GrantFiled: November 14, 2003Date of Patent: September 25, 2007Assignee: Seiko Epson CorporationInventor: Masahiro Yatake
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Patent number: 7262244Abstract: The present invention relates to polymer composites comprising at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) below 30 at least one filler and optionally at least one cross-linking agent, a process for preparing said polymer composite wherein at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) below 30, at least one filler and optionally at least one cross-linking agent are mixed and a process for the manufacture of a shaped article comprising the step of injection molding a polymer composite comprising at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) below 30, at least one filler and at least one cross-linking agent.Type: GrantFiled: October 14, 2003Date of Patent: August 28, 2007Assignee: Lanxess Inc.Inventor: Frederic Guerin
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Patent number: 7261926Abstract: A solventborne coating material curable physically, thermally, or thermally and with actinic radiation, comprising A) at least one binder curable physically, thermally, or thermally and with actinic radiation, B) at least one color and/or effect pigment, and C) at least one colorless, transparent or opaque powder which is substantially inert with respect to the other constituents of the coating material and whose particles have an average size of from 1.0 to 10.0 ?m and a density of from 1.25 to 3.6 g cm?3 and its use as basecoat material for producing multicoat color and/or effect paint systems.Type: GrantFiled: June 18, 2002Date of Patent: August 28, 2007Assignee: BASF Coatings AGInventors: Stephan Schwarte, Willi Vesper, Egon Wegner, Kerstin Ziegler
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Patent number: 7247605Abstract: Methods of improving the solubility of highly functionalized polar perfluorinated polyethers in fluorinated solvents are described. In preferred embodiments, the ratio of solubilizer to fluorinated solvent is the azeotropic ratio. The solubilizer can be an alcohol or cyclic ether. The methods finds utility in hard disc drive applications, where perfluorinated polyethers are used as lubricants. Compositions are also provided.Type: GrantFiled: October 24, 2003Date of Patent: July 24, 2007Assignee: Hitachi Global Storage Technologies Netherlands B.V.Inventor: John Martin Burns
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Patent number: 7244777Abstract: The present invention provides nucleated polyolefins using shellac based nucleating agents wherein the nucleated polyolefins obtained have improved crystallization temperature (Tc) and smaller spherulitic size and hence improved transparency characteristics.Type: GrantFiled: March 26, 2004Date of Patent: July 17, 2007Assignee: Council of Scientific and Industrial ResearchInventors: Subhash Pundlik Vernekar, Ramesh Chellaswamy, Swaminathan Sivaram
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Patent number: 7241825Abstract: The object of the present invention is to provide a polycarbonate resin composition which has excellent transparency and durability against molding heat, which gives a molded article having an excellent mold release property, reduced strains, improved cracking resistance and, preferably, weatherability, and which is particularly suitable for a transparent member for a vehicle, pellets thereof and a molded article thereof, and the present invention provides a polycarbonate resin composition obtained by blending 100 parts by weight of a polycarbonate resin (Component A) and 0.005 to 2 parts by weight of a full ester (Component B) from an aliphatic polyhydric alcohol having 4 to 8 hydroxyl groups and 5 to 30 carbon atoms and an aliphatic carboxylic acid having 10 to 22 carbon atoms, said Component B having a 5% weight loss temperature, measured by TGA (thermogravimetric analysis), of 250 to 360° C. and having an acid value of 4 to 20, pellets thereof and a molded article thereof.Type: GrantFiled: May 1, 2003Date of Patent: July 10, 2007Assignee: Teijin Chemicals, Ltd.Inventors: Takashi Koga, Mitsuhiro Takeo, Daisuke Takahashi
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Patent number: 7241822Abstract: The invention relates to a powdery dye composition consisting essentially of C.I. Pigment Red 170 (C.I. No. 12475) and barium sulfate, wherein the barium sulfate is added before or during the production process of the C.I. Pigment Red 170. The inventive addition of barium sulfate enables non-homogeneities and caking to be avoided in the mixture.Type: GrantFiled: August 1, 2002Date of Patent: July 10, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Felix W. Grimm, Klaus Kund, Wolfgang Winter, Willi Rauschmann, Bernd Nestler
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Patent number: 7241824Abstract: A sulphur-vulcanizable rubber composition usable for the manufacture of tires, based on at least: (A)—one diene elastomer selected from the group consisting of polybutadienes, natural rubber, synthetic polyisoprenes, butadiene copolymers, isoprene copolymers and mixtures of these elastomers (component A); (B)—a reinforcing white filler (component B); (C)—a coupling agent (white filler/diene elastomer) bearing at least one activated double ethylene bond (component C), with which there is associated: (D)—between 0.05 and 1 phr (parts by weight per hundred of elastomer) of a heat-triggered radical initiator (component D). The coupling agent is in particular an alkoxysilane of the family of alkoxy(C1–C4)-silylpropyls, in particular a trialkoxy(C1–C4)-silylpropyl methacrylate, in particular trimethoxy-silylpropyl methacrylate. Process for preparing such a rubber composition. Tire or semi-finished product, in particular tread, for a tire comprising a rubber composition according to the invention.Type: GrantFiled: June 24, 2002Date of Patent: July 10, 2007Assignee: Michelin Recherche et Technique S.A.Inventors: Jean-Luc Mangeret, Jean-Claude Tardivat
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Patent number: 7235601Abstract: The present invention relates to polymer composites containing at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) in the range of from 50–30 at least one filler and optionally at least one cross-linking agent, a process for preparing said polymer composite wherein at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) in the range of from 50–30, at least one filler and optionally at least one cross-linking agent are mixed and a process for the manufacture of a shaped article including the step of injection molding a polymer composite containing at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) in the range of from 50-30, at least one filler and at least one cross-linking agent.Type: GrantFiled: October 14, 2003Date of Patent: June 26, 2007Assignee: Lanxess Inc.Inventors: Frederic Guerin, Ezio Campomizzi, Lorenzo Ferrari, Janet Gamlin, Richard Pazur, Carl Walter von Hellens