Patents by Inventor Yasuo Takaya
Yasuo Takaya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5882842Abstract: An active energy ray-curable resin composition, particularly an active energy ray-curable coating composition, both comprising:(A) a resin having oxetane functional groups and epoxy groups in the molecule, and(B) a photo-induced cationic polymerization initiator.Type: GrantFiled: February 12, 1997Date of Patent: March 16, 1999Assignee: Kansai Paint Co., Ltd.Inventors: Yu Akaki, Fumio Yamashita, Yasuo Takaya, Osamu Isozaki
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Patent number: 5614582Abstract: A resinous composition for water paint crosslinkable at the normal temperature is provided, which is suitable for painting interiors and exteriors of buildings, bridges, vehicles and et al, which is non-odored, as well as which has advantages in safe and hygienic aspects. A resinous composition for a water paint, which is obtained by blending an aqueous dispersion of a carbonyl group-containing copolymer (A) with a carbonyl group-containing aqueous polyurethane resin (B) at the ratio of 100 parts by weight of solids in (A) to 5.about.150 parts by weight of (B), and then adding as a crosslinking agent a hydrazide compound having at least 2 hydrazide groups per one molecule (C) at the ratio of 0.01.about.2 moles of (C) to 1 mole of carbonyl group contained in the said (A) and (B) components, wherein the said polyurethane resin (B) being obtained by copolymerizing an unsaturated polyurethane resin obtained by the reaction of a diisocyanate compound with a polyol having a number average molecular weight of 60.Type: GrantFiled: October 14, 1994Date of Patent: March 25, 1997Assignee: Kansi Paint Co., Ltd.Inventors: Makoto Hori, Reijiro Nishida, Yasuo Takaya, Yasuharu Nakayama, Masami Sugishima
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Patent number: 5539049Abstract: Disclosed is an aqueous resin dispersion prepared by dispersing in an aqueous medium a graft resin (A) and a hydrophobic melamine resin (B), said graft resin (A) having a weight average molecular weight of 10,000 to 100,000 and an acid value of 5 to 80, and consisting of a hydrophobic main chain moiety and a hydrophilic side chain moiety, said hydrophilic side chain moiety being 5,000 to 50,000 in weight average molecular weight and at least 20 in acid value.Type: GrantFiled: May 23, 1994Date of Patent: July 23, 1996Assignee: Kansai Paint Company LimitedInventors: Junichi Kajima, Masaru Mitsuji, Mitsugu Endo, Yasuo Takaya
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Patent number: 5332766Abstract: Disclosed are (1) a water-dispersible resin composition prepared by a process comprising; (I) reacting a silane monomer (A) having hydrolytic functional group and/or silano group and polymerizable unsaturated bond with a vinyl monomer (B) in an aqueous medium to obtain a three-dimensionally crosslinked particulate polymer, (II) reacting the particulate polymer with the silane monomer (A) and/or an allyl acrylate or allyl methacrylate (C), and (III) copolymerizing the resulting reaction product with a vinyl monomer component comprising a carboxyl-containing vinyl monomer (D), followed by neutralizing the carboxyl group; (2) a water-dispersible coating composition comprising a crosslinking agent and the water-dispersible resin composition prepared using a hydroxyl-containing vinyl monomer and another vinyl monomer as the vinyl monomer (B) in the step (I), and (3) a coating method characterized by using as a base coat composition a water-dispersible coating composition comprising the foregoing water-dispersibleType: GrantFiled: March 1, 1993Date of Patent: July 26, 1994Assignee: Kansai Paint Co., Ltd.Inventors: Yasuo Takaya, Masaru Mitsuji, Mitsugu Endo
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Patent number: 5288771Abstract: Disclosed are (1) a water-dispersible resin composition prepared by a process comprising; (I) reacting a silane monomer (A) having hydrolytic functional group and/or silanol group and polymerizable unsaturated bond with a vinyl monomer (B) in an aqueous medium to obtain a three-dimensionally crosslinked particulate polymer, (II) reacting the particulate polymer with the silane monomer (A) or a mixture of the silane monomer (A) and an allyl acrylate or allyl methacrylate (C), and (III) copolymerizing the resulting reaction product with a vinyl monomer component comprising a carboxyl-containing vinyl monomer (D), followed by neutralizing the carboxyl group; (2) a water-dispersible coating composition comprising a crosslinking agent and the water-dispersible resin composition prepared using a hydroxyl-containing vinyl monomer and another vinyl monomer as the vinyl monomer (B) in the step (I), and (3) a coating method characterized by using as a base coat composition a water-dispersible coating composition compriType: GrantFiled: January 17, 1991Date of Patent: February 22, 1994Assignee: Kansai Paint Company, LimitedInventors: Yasuo Takaya, Masaru Mitsuji, Mitsugu Endo
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Patent number: 5281655Abstract: Disclosed is an aqueous coating composition characterized in that the composition consists essentially of:(A) a resin for use in aqueous coating compositions,(B) a urethane resin emulsion, and(C) crosslinking agent,the component (B) being an aqueous dispersion of a polyurethane resin prepared by reacting (a) an aliphatic polyisocyanate and/or an alicyclic polyisocyanate, (b) a high-molecular-weight polyol, (c) an .alpha.,.alpha.-dimethylolmonocarboxylic acid, and when required, (d) a chain lengthening agent and/or a polymerization terminator, and subsequently neutralizing the carboxyl with (e) a primary monoamine and/or a secondary monoamine.Type: GrantFiled: July 22, 1992Date of Patent: January 25, 1994Assignee: Kansai Paint Company, LimitedInventors: Masaru Mitsuji, Mitsugu Endo, Junichi Kajima, Yasuo Takaya
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Patent number: 5227422Abstract: Desclosed is an aqueous coating composition characterized in that the composition consists essentially of:(A) a resin for use in aqueous coating compositions,(B) a urethane resin emulsion, and(C) crosslinking agent,the component (B) being an aqueous dispersion of a polyurethane resin prepared by reacting (a) an aliphatic polyisocyanate and/or an alicyclic polyisocyanate, (b) a high-molecular-weight polyol, (c) an .alpha.,.alpha.-dimethylolmonocarboxylic acid, and when required, (d) a chain lengthening agent and/or a polymerization terminator, and subsequently neutralizing the carboxyl with (e) a primary monoamine and/or a secondary monoamine.Type: GrantFiled: August 21, 1991Date of Patent: July 13, 1993Assignee: Kansai Paint Company, LimitedInventors: Masaru Mitsuji, Mitsugu Endo, Junichi Kajima, Yasuo Takaya
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Patent number: 4900774Abstract: An aqueous coating composition characterized in that the composition comprises:(A) a water-dispersible film-forming acrylic polymer,(B) a crosslinking agent prepared by dispersing a hydrophobic melamine resin in water in the presence of a water-soluble resin, the hydrophobic melamine resin being up to about 20 in solvent dilution ratio when diluted with a water/methanol solvent mixture (35/65 in weight ratio) and about 500 to about 4000 in weight average molecular weight, and(C) a pigment.The composition is very suitable for use in the two-coat one-bake coating method as a base-coat composition.Type: GrantFiled: January 28, 1988Date of Patent: February 13, 1990Assignee: Kansai Paint Company, LimitedInventors: Masaru Mitsuji, Mitsugu Endo, Kaoru Morita, Yasuo Takaya
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Patent number: 4038225Abstract: 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: GrantFiled: June 2, 1975Date of Patent: July 26, 1977Assignee: Kansai Paint Company, Ltd.Inventors: Yasuo Takaya, Tadashi Watanabe, Naozumi Iwasawa