Patents Assigned to Kansai Paint Company
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Patent number: 8343631Abstract: Low-gloss, two-component clear coats include a base resin including a urethane resin, an isocyanate resin that combines with the base resin immediately prior to application of the low -gloss, two-component clear coat to form a two-component base resin mixture, wherein the two-component base resin mixture comprises from about 20 weight percent to about 40 weight percent urethane resin and from about 20 weight percent to about 40 weight percent isocyanate resin, and a silica-based flattener, wherein the silica-based flattener comprises from about 5 parts by weight per 100 parts by weight of the two-component base resin mixture to about 20 parts by weight per 100 parts by weight of the two-component base resin mixture, wherein the low-gloss, two-component clear coat has a 60° gloss finish from 22 gloss units to 34 gloss units when cured.Type: GrantFiled: November 3, 2010Date of Patent: January 1, 2013Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., PPG Industries Ohio, Inc., Kansai Paint Company, Ltd.Inventors: Yuko Nagata Gidcumb, Scott Dale Kubish, Richard Raabe
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Publication number: 20120107618Abstract: Low-gloss, two-component clear coats include a base resin including a urethane resin, an isocyanate resin that combines with the base resin immediately prior to application of the low-gloss, two-component clear coat to form a two-component base resin mixture, wherein the two-component base resin mixture comprises from about 20 weight percent to about 40 weight percent urethane resin and from about 20 weight percent to about 40 weight percent isocyanate resin, and a silica-based flattener, wherein the silica-based flattener comprises from about 5 parts by weight per 100 parts by weight of the two-component base resin mixture to about 20 parts by weight per 100 parts by weight of the two-component base resin mixture, wherein the low-gloss, two-component clear coat has a 60° gloss finish from 22 gloss units to 34 gloss units when cured.Type: ApplicationFiled: November 3, 2010Publication date: May 3, 2012Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Kansai Paint Company, Ltd., PPG Industries, Inc.Inventors: Yuko Nagata Gidcumb, Scott Dale Kubish, Richard E. Raabe
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Patent number: 6177488Abstract: The present invention provides an aqueous colored base coating composition (A) comprising a hydroxyl- and carboxyl-containing acrylic resin (A-1), a melamine resin (A-2), an alicyclic epoxy-containing compound (A-3), a neutralizing agent (A-4) and a coloring pigment (A-5). The present invention further provides a method for forming a topcoat which comprises applying the aqueous colored base coating composition (A) to a substrate and applying to the base coat an organic solvent type clear coating composition (B) to be cured by the crosslinking reaction between a carboxyl group and an epoxy group.Type: GrantFiled: August 13, 1996Date of Patent: January 23, 2001Assignee: Kansai Paint Company, LimitedInventors: Akira Kasari, Hiroaki Oda, Junichi Kajima, Mikio Shimakawa
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Patent number: 6174965Abstract: The present invention provides a polyester resin having in the molecule at least one quaternary ammonium base represented by the formula (wherein X is halogen and R is alkyl), and a process for its production. The present invention further provides a pigment dispersion containing a pigment and the above polyester resin as resin for dispersion of the pigment, and also provides a coating composition containing the above pigment dispersion.Type: GrantFiled: February 23, 1999Date of Patent: January 16, 2001Assignee: Kansai Paint Company, LimitedInventors: Fumio Yamashita, Yoshiyuki Yukawa, Haruhiko Aida
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Patent number: 6162861Abstract: The present invention provides a granulated powder coating composition prepared by granulating a starting powder coating composition having an average particle size of 10 .mu.m or less to an average particle size suitable for powder coating; and a process for preparing a granulated powder coating composition, comprising granulating a starting powder coating composition having an average particle size of 10 .mu.m or less to an average particle size suitable for powder coating.Type: GrantFiled: November 12, 1999Date of Patent: December 19, 2000Assignee: Kansai Paint Company, LimitedInventors: Yugen Kawamoto, Yoshinori Kato, Shinichi Ueda, Mituo Wakimoto, Toshio Ohkoshi
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Patent number: 6149754Abstract: A method of forming reproduced in images on the surface of cured coating, the method including the steps of treating a surface of a cured coating with an organic solvent which does not dissolve the cured coating, but slightly dissolves a reproduced image layer and has a solubility parameter of about 7.5 to about 8.2, superposing, over the cured coating, a copying sheet which comprises a copy support having a reproduced image layer formed thereon to bring the reproduced image layer of the copying sheet into contact with the organic solvent-treated surface of cured coating, heat-transferring the reproduced image to the treated surface of cured coating, releasing the copy support to provide a transfer product on the cured coating, and forming a clear coating on the surface of the transfer product.Type: GrantFiled: June 19, 1996Date of Patent: November 21, 2000Assignees: Toyota Jidosha Kabushiki Kaisha, Kansai Paint Company LimitedInventors: Kentaro Ogata, Motohito Nakashima, Akira Suzuki, Kyoji Inoue, Hideo Haga, Keiji Miyatake, Tsutomu Nagasao, Takeshi Tomiyama
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Patent number: 6099968Abstract: The present invention provides an aqueous metallic coating composition comprising (A) 100 parts, based on solids, of a film-forming aqueous acrylic polymer obtained by neutralizing a copolymer having a number average molecular weight of 2,000 to 200,000, an acid value of 10 to 110 mg KOH/g and a hydroxyl value of 20 to 100 mg KOH/g, the copolymer being obtained by copolymerizing (a) 10 to 35 wt. % of styrene, (b) 5 to 25 wt. % of C.sub.6-18 alkyl (meth)acrylate, (c) 0.1 to 10 wt. % of phosphoric ester group-containing polymerizable unsaturated monomer represented by the general formula ##STR1## wherein X is a hydrogen atom or methyl, and m is an integer of 1 to 3, (d) 2 to 10 wt. % of carboxyl-containing polymerizable unsaturated monomer, (e) 5 to 20 wt. % of hydroxyl-containing polymerizable unsaturated monomer, and (f) 0 to 77.9 wt. % of other polymerizable unsaturated monomer, and (B) 2 to 100 parts by weight of a metallic flake pigment; and a method for forming a topcoat using the composition.Type: GrantFiled: July 19, 1999Date of Patent: August 8, 2000Assignee: Kansai Paint Company, LimitedInventors: Hiromi Harakawa, Kenya Suzuki
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Patent number: 6045873Abstract: The present invention provides:(1) a one-packed epoxy resin composition comprising(A) an epoxy resin having two or more epoxy groups in its molecule and a number average molecular weight of 250 to 4,500,(B) a ketimine compound,(C) a dehydrating agent, and(D) at least one modified epoxy resin (d-1) selected among urethane-modified epoxy resins, amine-modified epoxy resins and dimer-modified epoxy resins and/or a resin (d-2) which has a softening point of 60.degree. C. or above and is at least one member selected among xylene resins, ketone resins, coumarone resins and petroleum resins;(2) a one-packed anticorrosive paint composition comprising the above one-packed epoxy resin composition and (E) a zinc dust in such an amount as to be present in a proportion of 20 to 95 wt.Type: GrantFiled: February 18, 1998Date of Patent: April 4, 2000Assignee: Kansai Paint Company, LimitedInventors: Yoshimitsu Adachi, Toshihiro Hamamura
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Patent number: 6031028Abstract: This invention provides a cationic electrodeposition coating composition comprising(A) a resin prepared by reacting an epoxy- or carboxyl-containing acrylic polymer, a bisphenol compound and a bisphenol diglycidyl ether-type epoxy resin to produce an epoxy-containing resin and introducing thereinto cationic groups and(B) a hydroxyl- and amino-containing acrylic resin, the resins (A) and (B) being crosslinked and cured by urethanation reaction with (C) an isocyanate crosslinking agent component. The cationic electrodeposition coating composition of the invention is excellent in curability and in corrosion resistance of the cured coating film.Type: GrantFiled: March 10, 1998Date of Patent: February 29, 2000Assignee: Kansai Paint Company, LimitedInventors: Yutaka Iino, Katsuhisa Sugisaki, Koji Kamikado
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Patent number: 5945487Abstract: The invention provides a thermosetting powder coating composition comprising (A) a vinyl copolymer having a number average molecular weight of 1,500 to 6,000, a molecular weight distribution of 1.0 to 1.5 as represented by a weight average molecular weight/a number average molecular weight and a glass transition temperature of 40 to 100.degree. C., the copolymer containing at least one species of functional group selected from the class consisting of epoxy group, carboxyl group and hydroxyl group, and (B) a curing agent. The thermosetting powder coating composition of the invention is superior in any of the finished appearance of coating film and the blocking resistance.Type: GrantFiled: January 23, 1997Date of Patent: August 31, 1999Assignee: Kansai Paint Company, Ltd.Inventors: Toshio Ohkoshi, Yugen Kawamoto, Toshio Ogasawara, Motoshi Yabuta, Koji Yamada
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Patent number: 5929158Abstract: The invention provides a non-aqueous polymer dispersion wherein a particulate polymer is dispersed in an organic solvent containing a dispersion stabilizer resin, the polymer being insoluble to the organic solvent and containing a fluoroalkyl group-containing (meth)acrylate as a monomer component. The invention further provides a curable composition comprising the non-aqueous polymer dispersion, a hydroxyl group containing resin and at least one crosslinking agent selected from the group consisting of amino resins, tris(alkoxycarbonylamino)triazines, polyisocyanate compounds and blocked polyisocyanate compounds. A highly stain-resistant coating film can be formed using the dispersion or composition of the invention.Type: GrantFiled: May 5, 1998Date of Patent: July 27, 1999Assignee: Kansai Paint Company, LimitedInventors: Yoshizumi Matsuno, Nobushige Numa, Chihiro Nagano, Satoshi Ikushima, Yasumasa Okumura
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Patent number: 5912052Abstract: This invention is directed to a method of pattern coating, comprising the steps of: coating a substrate with an aqueous colored coating composition comprising a neutralization product of an acrylic copolymer containing an alkoxysilyl group and a carboxyl group and a coloring pigment, using a spray device having a fine-orifice nozzle(s) to give a pattern coating layer, and coating the pattern coating layer with a clear coating composition.Type: GrantFiled: October 9, 1997Date of Patent: June 15, 1999Assignees: Toyota Jidosha Kabushiki Kaisha, Kansai Paint Company, LimitedInventors: Kazuyuki Kuwano, Mamoru Sugiura, Keita Ono, Yukiko Hayashi, Kyoichi Horibe, Hiroaki Kiyata
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Patent number: 5908669Abstract: This invention is directed to an aqueous colored coating composition which is applied with a spray device having a fine-orifice nozzle(s), the composition comprising a neutralized acrylic copolymer containing an alkoxysilyl group and a carboxyl group and a coloring pigment.Type: GrantFiled: October 8, 1997Date of Patent: June 1, 1999Assignee: Kansai Paint Company, LtdInventors: Yukiko Hayashi, Keita Ono, Akimasa Nakahata, Mitsuhiro Fukuda
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Patent number: 5902644Abstract: A method of forming a topcoat from a base coat and clear coat comprises applying to the surface of an undercoat or intercoat a base coat containing (A) a compound having at least two epoxy groups per molecule, (B) a compound having at least two carboxyl groups per molecule, wherein at least one of compounds (A) and (B) possesses hydroxyl groups, (C) a melamine resin with from 0.3-3.5 imino groups, from 2-5.5 alkyl ether groups per triazine nucleus and having a polymerization degree of from 1.6-3.5, and (D) pigment(s); then applying a clear coat prepared from (A) a compound having at least two epoxy groups per molecule and (B) a compound having at least two carboxyl groups per molecule, and curing by heating.Type: GrantFiled: May 27, 1997Date of Patent: May 11, 1999Assignee: Kansai Paint Company, LimitedInventors: Yasumasa Okumura, Hiroshi Igarashi, Hiroshi Kitagawa, Hironori Tonomura
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Patent number: 5898052Abstract: The present invention provides a base coat composition for forming a topcoat comprising (A) a compound having at least two epoxy groups in one molecule, (B) a compound having at least two carboxyl groups in one molecule, (C) a melamine resin of a polymerization degree of 1.6 to 3.5 having 0.3 to 3.5 imino groups per triazine nucleus, 0.3 to 3.5 methylol groups per triazine nucleus and 2 to 5.5 alkyl ether groups per triazine nucleus and (D) a coloring pigment and/or a metallic pigment, at least one of the components (A) and (B) having a hydroxyl group. The present invention also provides a coating method using said base coat composition and a clear coat composition mainly comprising said components (A) and (B).Type: GrantFiled: October 3, 1996Date of Patent: April 27, 1999Assignee: Kansai Paint Company, Ltd.Inventors: Yasumasa Okumura, Hiroshi Igarashi, Hiroshi Kitagawa, Hironori Tonomura
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Patent number: 5889115Abstract: The invention provides a curable coating composition comprising:(a) a vinyl polymer having, in one molecule, (i) a group formed by half esterification of an acid anhydride group and (ii) a primary hydroxyl group,(b) a vinyl polymer having an epoxy group and a primary hydroxyl group in one molecule, and(c) a vinyl polymer having an ethoxysilyl group and a secondary hydroxyl group in one molecule, and a method of forming a top coat using said composition.Type: GrantFiled: February 1, 1996Date of Patent: March 30, 1999Assignee: Kansai Paint Company LtdInventors: Motoshi Yabuta, Masaaki Saika, Yasushi Nakao, Hiroshi Igarashi, Satoshi Ikushima
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Patent number: 5840384Abstract: An aqueous coating composition for exterior surface of a can, in which the resin component comprises a water-soluble or water-dispersible resin product prepared by reacting a resin having carboxyl functionality (a), an epoxy resin (b) and a tertiary amine (c), at least 50 mole % of the epoxy groups of said epoxy resin (b) being quaternary ammonium salt, provides a coating with a smooth and glossy surface, excellent processability, excellent adhesion properties, excellent retorting resistant properties and the like. Furthermore, the coating composition minimizes a generation of fume in an oven during curing.Type: GrantFiled: October 9, 1997Date of Patent: November 24, 1998Assignee: Kansai Paint Company, LtdInventors: Sumio Noda, Seiji Takami, Keiichi Shimizu, Kaoru Morita
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Patent number: 5827575Abstract: The present invention provides a method for forming a topcoat which comprises applying an aqueous colored base coating composition comprising a hydroxyl- and carboxyl-containing acrylic resin, a melamine resin, an alicyclic epoxy-containing compound, a neutralizing agent, and a coloring pigment to a substrate and applying to the base coat an organic solvent type clear coating composition to be cured by the crosslinking reaction between a carboxyl group and an epoxy group.Type: GrantFiled: October 17, 1996Date of Patent: October 27, 1998Assignee: Kansai Paint Company, LimitedInventors: Akira Kasari, Hiroaki Oda, Junichi Kajima, Mikio Shimakawa
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Patent number: 5821314Abstract: This invention provides a thermosetting composition comprising (A) a compound (A-1) containing an epoxy group or groups and a reactive silicon group or groups as essential functional group components in the same molecule, or a mixture (A-2) of an epoxy group-containing compound and a reactive silicon group-containing compound, and (B) an organotin catalyst, a thermosetting composition comprising (A) a compound (A-3) containing (i) an epoxy group or groups, (ii) a reactive silicon group or groups and (iii) a hydroxyl group or groups and/or a carboxyl group or groups as essential functional group components in the same molecule, or a mixture (A-4) of at least two types of compounds, each compound containing at least one member selected from the class consisting of functional group components (i) to (iii), and all of the functional group components (i) to (iii) being present in said mixture, and (B) an organotin catalyst; and methods of forming a finish coat using these thermosetting compositions.Type: GrantFiled: December 13, 1996Date of Patent: October 13, 1998Assignee: Kansai Paint Company, LimitedInventors: Satoshi Ikushima, Yasumasa Okumura, Osamu Isozaki, Minoru Tsunoda
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Patent number: 5792806Abstract: An aqueous coating composition which includes, as essential components thereof, (A) an acrylic resin emulsion, (B) a urethane resin emulsion, (C) a crosslinking agent and (D) an acidic phosphate or phosphite ester.Type: GrantFiled: September 12, 1996Date of Patent: August 11, 1998Assignee: Kansai Paint Company, LimitedInventors: Yoshinori Yamamoto, Tuguo Nezu, Yoshinori Kato