Patents Assigned to Kansai Paint Company, Ltd.
  • Patent number: 8343631
    Abstract: 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: Grant
    Filed: November 3, 2010
    Date of Patent: January 1, 2013
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., PPG Industries Ohio, Inc., Kansai Paint Company, Ltd.
    Inventors: Yuko Nagata Gidcumb, Scott Dale Kubish, Richard Raabe
  • Publication number: 20120107618
    Abstract: 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: Application
    Filed: November 3, 2010
    Publication date: May 3, 2012
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Kansai Paint Company, Ltd., PPG Industries, Inc.
    Inventors: Yuko Nagata Gidcumb, Scott Dale Kubish, Richard E. Raabe
  • Patent number: 5945487
    Abstract: 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: Grant
    Filed: January 23, 1997
    Date of Patent: August 31, 1999
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Toshio Ohkoshi, Yugen Kawamoto, Toshio Ogasawara, Motoshi Yabuta, Koji Yamada
  • Patent number: 5908669
    Abstract: 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: Grant
    Filed: October 8, 1997
    Date of Patent: June 1, 1999
    Assignee: Kansai Paint Company, Ltd
    Inventors: Yukiko Hayashi, Keita Ono, Akimasa Nakahata, Mitsuhiro Fukuda
  • Patent number: 5898052
    Abstract: 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: Grant
    Filed: October 3, 1996
    Date of Patent: April 27, 1999
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Yasumasa Okumura, Hiroshi Igarashi, Hiroshi Kitagawa, Hironori Tonomura
  • Patent number: 5889115
    Abstract: 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: Grant
    Filed: February 1, 1996
    Date of Patent: March 30, 1999
    Assignee: Kansai Paint Company Ltd
    Inventors: Motoshi Yabuta, Masaaki Saika, Yasushi Nakao, Hiroshi Igarashi, Satoshi Ikushima
  • Patent number: 5840384
    Abstract: 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: Grant
    Filed: October 9, 1997
    Date of Patent: November 24, 1998
    Assignee: Kansai Paint Company, Ltd
    Inventors: Sumio Noda, Seiji Takami, Keiichi Shimizu, Kaoru Morita
  • Patent number: 5767175
    Abstract: An aqueous coating composition comprising an acrylic resin-modified epoxy resin (D), which is obtained by the reaction between a mixture of a bisphenol F based epoxy resin (A) and a bisphenol F based phenoxy resin (B) and an acrylic resin having carboxyl functionality (C), said acrylic resin-modified epoxy resin (D) being dispersed into water, preferably by using ammonia or amine, provides a composition with low viscosity, excellent storage stability and excellent application workability. In addition, the coating of the present invention can be applied to an interior surface and the resulting film has a smooth surface, excellent processability, excellent retorting resistant properties, excellent adhesion properties, and excellent corrosion resistant properties.
    Type: Grant
    Filed: February 1, 1996
    Date of Patent: June 16, 1998
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Yasuo Kamekura, Tomokuni Ihara, Kaoru Morita
  • Patent number: 5616388
    Abstract: A process for formation of a water repellent coating which comprises applying a topcoat coating composition of a fluorine containing thermosetting resin and granular compound of 5 microns or less in mean particle size to a substrate bearing a thermosetting undercoat coating film which is semi crosslinked, and then co-curing both films by heating. The resulting cured coating has a water repellent surface, excellent adhesion to a substrate, excellent corrosion resistance, no staying of water as droplets on the surface and no foul odor. The coating is especially suitable for applying to aluminum fins of a heat exchanger.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: April 1, 1997
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Tadayoshi Tatsuno, Mitsuo Wakimoto, Seiji Kashiwada
  • Patent number: 5578695
    Abstract: The invention provides a crosslinking agent comprising a compound having at least two noncyclic acid anhydride groups and represented by the following formula ##STR1## wherein R is a monovalent hydrocarbon group having 2 to 50 carbon atoms, R' is a bivalent hydrocarbon group having 2 to 50 carbon atoms, the hydrocarbon groups R and R' containing or not containing an ether linkage, urethane linkage or ester linkage, and n is an integer of 1 to 500.The invention also provides a curable composition including (A) at least one resin selected from the group consisting of (i) a resin having at least one epoxy group and at least one hydroxyl group in the molecule, (ii) a resin mixture of a resin having at least two epoxy groups in the molecule and a resin having at least two hydroxyl groups in the molecule, and (iii) a resin having at least two epoxy groups in the molecule, and (B) the above-mentioned crosslinking agent.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: November 26, 1996
    Assignee: Kansai Paint Company, Ltd.
    Inventor: Osamu Isozaki
  • Patent number: 5330796
    Abstract: The invention provides a method of forming a coating film by forming in sequence a pigmented base coat and a clear top coat on a substrate followed by finishing by the two-coat one-bake technique, the method being characterized by using, as a coating composition for pigmented base coat formation, a composition comprising, as essential components thereof,(1) an OH-containing resin,(2) an amino resin,(3) a polyorganosiloxane(4) a flaky metal powder and/or a mica powder, and( 5 ) an organic solvent,and using, as a coating composition for clear top coat formation, a composition comprising, as essential components thereof,(1) an OH-containing base resin which further contains at least one group selected from the class consisting of a silanol group and a hydrolyzable group bound directly to a silicon atom,( 2 ) an amino resin, and( 3 ) an organic solvent.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: July 19, 1994
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Akira Kasari, Satoru Ito, Shigeru Nakamura
  • Patent number: 5326596
    Abstract: The present invention provides a method for forming a coating film, comprising the steps of:(a) coating a metal panel with a cationic electrophoretic coating composition and heating the composition to form an electrophoretic coating,(b) applying to the electrophoretic coating an aqueous primer containing a polyurethane emulsion prepared by subjecting a carboxyl-containing urethane prepolymer to chain extension by water,(c) applying an intermediate coating composition to the primer surface,(d) baking the aqueous primer and the intermediate coating composition at the same time, and(e) applying a top coating composition to the cured coating and baking the composition.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: July 5, 1994
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Akira Kasari, Hiroaki Oda, Mitsuru Muramoto, Yasumasa Okumura, Yasuji Tanaka
  • Patent number: 4877664
    Abstract: A sealed container material having a deoxidation function comprises a metallic base material reactive with oxygen and a hydrophilic coating layer of water-soluble polymer such as hydroxyethyl cellulose formed on the surface of the metallic base material. An oxygen- and moisture-permeable coating layer composed of a polymethylpentene resin may further be provided on the hydrophilic coating layer. The material exhibits an excellent oxygen absorbing ability and is thus suited as a material for sealed containers, such as cans, bottles, capsules, etc., for encasing food, drink, chemicals, and medical drugs and storing them over a long period of time without denaturation or deterioration.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: October 31, 1989
    Assignees: Nippon Steel Corporation, Suntory Limited, Kansai Paint Company, Ltd.
    Inventors: Shigeyoshi Maeda, Tsunetoshi Asai, Hidejiro Asano, Haruyoshi Taguchi
  • Patent number: 4636324
    Abstract: The present invention provides: a composition for use in preventing the formation of ice comprising (A) organopolysiloxane, (B) alkali metal compound and (C) liquid or solid paraffin; a method for preventing the formation of ice by applying the composition to the surface of an object; and another method for preventing the formation of ice by applying a primer containing a silane coupling agent to the surface of an object and applying the composition to the primer coat formed.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: January 13, 1987
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Heihachi Murase, Kiyoshi Nanishi
  • Patent number: 4535126
    Abstract: An air drying coating composition comprising a mixture of (A) 9 to 91% by weight of a silicone-modified alkyd resin, a silicone-modified acrylic-grafted alkyd resin and/or a silicone-modified acrylic resin and (B) 91 to 9% by weight of a carboxyl group-containing chlorinated polyolefin resin as a resinous binder.
    Type: Grant
    Filed: June 5, 1984
    Date of Patent: August 13, 1985
    Assignee: Kansai Paint Company, Ltd.
    Inventor: Shinji Iida
  • Patent number: 4038225
    Abstract: A thermosetting high solid coating composition which is characterized in that said composition consumes less solvents in production, evolves less solvent vapor in use, and consists of: (a) 80 to 60 parts by weight of alkyd resin having a fatty acid content of 10 to 20% by weight, a phenyl group content of 10 to 25% by weight and a dibasic acid ratio and a hydroxyl group equivalent within certain ranges, (b) 20 to 40 parts by weight of melamine resin mainly comprising hexakisalkoxymethylmelamine, (c) if desired, alcohol modified melamine resin replacing not more than one half of said melamine resin (b), (d) 0.05 to 1.00 part by weight of aliphatic or aromatic sulfonic acid or their amine salts, and (e) 70 to 20 parts by weight of solvents at the time of spray coating.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: July 26, 1977
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Yasuo Takaya, Tadashi Watanabe, Naozumi Iwasawa
  • Patent number: 4033920
    Abstract: A process for producing an aqueous emulsion of unsaturated resin suitable for radiation curing coating compositions comprises the steps of: synthesizing polyvinyl resin having an acid value of 50 to 230 by solution polymerization, adding a monomer having both epoxy group and reactive unsaturated group to said polyvinyl resin, if necessary further mixing a monomer of above 190.degree. C in boiling point having reactive unsaturated group(s) to the above adduct, removing solvent under reduced pressure, neutralizing residual acid groups with base and dispersing the neutralized product into water.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: July 5, 1977
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Osamu Isozaki, Tadashi Watanabe, Masahiro Sakamoto
  • Patent number: 4017435
    Abstract: A powder coating composition for electrodeposition which comprises powdery particles having 0.1 to 50 microns particle size wetted with an organic solvent having a boiling point of 50.degree. to 250.degree. C in a range of 5 to 100 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition and dispersed in an aqueous medium containing a surface active agent of 0.05 to 5 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition to be dispersed, in which said organic solvent does not dissolve the organic high molecular weight compound in said powder coating composition and is scarcely soluble with said aqueous medium which is water or a mixture of water and water soluble organic solvents.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: April 12, 1977
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Taizo Kondo, Komaharu Matsui, Kunio Yamamoto
  • Patent number: 4016129
    Abstract: A hardenable coating composition which forms an excellent coating film having good properties of transparency, flexibility, hardness and noncombustibility and comprises an aqueous dispersion of silica-polyvinyl alcohol complex prepared by the reaction between colloidal silica dispersion and polyvinyl alcohol solution at a temperature above 50.degree. C. Said reaction can be accelerated by accelerators di- or tri-alkoxy silane accelerators and the properties of the obtained coating film can be improved by the addition of curing agents such as alkoxides and water soluble metallic salts.
    Type: Grant
    Filed: July 29, 1975
    Date of Patent: April 5, 1977
    Assignee: Kansai Paint Company, Ltd.
    Inventor: Yoshiaki Miyosawa
  • Patent number: 4011381
    Abstract: A process for preparing a thermosetting powder coating composition comprising the steps of copolymerizing 5 to 25 wt.% of at least one of glycidyl acrylate and glycidyl methacrylate with 95 to 75 wt.% of an ethylenically unsaturated compound in a solvent having a boiling point of up to 170.degree. C to obtain a solution of copolymer, the copolymer having a number average molecular weight of 2,000 to 30,000 and a melt viscosity of 100 to 500 poises at 160.degree. C, uniformly dispersing a pigment into the copolymer solution, removing the solvent from the resulting mixture at a temperature of 170.degree. to 220.degree. C and reduced pressure, thereafter admixing a di- or tri-carboxylic acid cross-linking agent with the mixture with heating at a temperature of up to 120.degree. C, and pulverizing the solid mixture obtained.
    Type: Grant
    Filed: May 28, 1975
    Date of Patent: March 8, 1977
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Naozumi Iwasawa, Nobuo Sugiyama, Ichiro Yoshihara, Tadashi Watanabe, Taizo Kondo