Patents by Inventor Eishi Tsukamoto
Eishi Tsukamoto 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: 9630212Abstract: A method of forming a multi-layer paint film comprising coating an aqueous first colored base paint (A) on an electro-deposition paint cured paint film to form a first colored base paint film, coating an aqueous second colored base paint (B) on the first colored base paint film without preliminary heating of the first colored base paint film to form a second colored base paint film, coating a clear paint (C) coated on the second colored base paint film after preliminary heating of the first paint film and second paint film to form a clear paint film, and heating and curing the three paint films at the same time, wherein a talc pigment is included in each of paint (A) and paint (B) in an amount of from 1 to 5 mass % with respect to the total resin solid fraction of each of paint (A) and paint (B).Type: GrantFiled: March 31, 2010Date of Patent: April 25, 2017Assignees: BASF Japan Ltd., Mazda Motor CorporationInventors: Eishi Tsukamoto, Masazumi Maekawa, Shigeyuki Mizuno, Takakazu Yamane, Kazuhi Koga, Sakura Nakano
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Patent number: 9334355Abstract: Disclosed is a hyperbranched, dendritic, hydroxyl-functional polyester comprising an OH number greater than or equal to 180 mg KOH/g as measured via DIN 53240 and to clearcoat compositions comprising said polyesters. Also disclosed are processes for preparing the disclosed polyester, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.Type: GrantFiled: June 5, 2008Date of Patent: May 10, 2016Assignees: BASF Japan Ltd., BASF Coatings GmbHInventors: Hitoshi Taniguchi, Eishi Tsukamoto, Hiroyuki Takagi, Andreas Poppe, Günter Klein, Veronika Lackstadter, Bianca Giesen, Petra Wagner, Björn Feldmann, Sabine Holtschulte, Julia Melzer, Tanja Bricke, Oliver Hilge, Benedikt Schnier, Silke Hottenbacher, Ulrike Clausen-Meiring
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Patent number: 8236895Abstract: Disclosed is a finish paint composition having a hydroxyl group containing resin (A) comprising a hydroxyl group value of 80 to 220 mgKOH/g, a glass transition temperature of ?50° or above but below 0° C., and 25 to 55 mass% of units of 4-hydroxybutyl (meth)acrylate origin, a hydroxyl group containing resin (B) with a hydroxyl group value of 80 to 220 mgKOH/g, and a glass transition temperature of 0 to 50° C., and a crosslinking agent (C) comprising polyisocyanate compound having isocyanate groups, wherein the proportions of hydroxyl group containing resin (A) and hydroxyl group containing resin (B) are, as a ratio of solid fraction masses, from 95/5 to 50/50, and the proportion of isocyanate groups of the crosslinking agent (C) with respect to the hydroxyl groups in total of the hydroxyl group containing resin (A) and the hydroxyl group containing resin (B), as the NCO/OH mol ratio, is 0.5 to 1.5.Type: GrantFiled: August 22, 2008Date of Patent: August 7, 2012Assignees: BASF Coatings Japan Ltd., BASF Coatings GmbHInventors: Hitoshi Taniguchi, Hiroyuki Takagi, Eishi Tsukamoto, Andreas Poppe, Björn Feldmann, Julia Melzer, Sabine Holtschulte, Karl-Heinz Joost
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Patent number: 8138249Abstract: The invention relates to two-component coating systems comprising as component (a) one or more polyisocyanates, as component (b) one or more oligomeric and/or polymeric compounds that are reactive with component (a), and as component (c) one or more phosphonates selected from the group of phosphonic diesters and diphosphonic diesters, where (i) component (b) comprises all oligomeric and/or polymeric compounds that are present in the two-component coating system and are reactive with component (a) and (ii) component (b) contains not more than 15% by weight, based on the total weight of component (b), of oligomeric and/or polymeric compounds which carry isocyanate-reactive amino groups. Additionally provided by the invention are a process for preparing the two-component coating systems, and the use of these coating systems as a clearcoat, more particularly for multicoat automobile finishing.Type: GrantFiled: March 20, 2008Date of Patent: March 20, 2012Assignees: BASF Coatings Japan Ltd., BASF Coatings GmbHInventors: Hitoshi Taniguchi, Eishi Tsukamoto, Hiroyuki Takagi, Andreas Poppe, Sabine Holtschulte, Julia Melzer, Petra Wagner, Bjoern Feldmann
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Publication number: 20120045585Abstract: A method of forming a multi-layer paint film comprising coating an aqueous first colored base paint (A) on an electro-deposition paint cured paint film to form a first colored base paint film, coating an aqueous second colored base paint (B) on the first colored base paint film without preliminary heating of the first colored base paint film to form a second colored base paint film, coating a clear paint (C) coated on the second colored base paint film after preliminary heating of the first paint film and second paint film to form a clear paint film, and heating and curing the three paint films at the same time, wherein a talc pigment is included in each of paint (A) and paint (B) in an amount of from 1 to 5 mass % with respect to the total resin solid fraction of each of paint (A) and paint (B).Type: ApplicationFiled: March 31, 2010Publication date: February 23, 2012Applicants: MAZDA MOTOR CORPORATION, BASF COATINGS JAPAN LTD.Inventors: Eishi Tsukamoto, Masazumi Maekawa, Shigeyuki Mizuno, Takakazu Yamane, Kazuhi Koga, Sakura Nakano
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Publication number: 20110301271Abstract: Disclosed is a two-liquid type urethane paint composition having a main agent which includes a hydroxyl group-containing resin (A), a hydrolyzable ester compound (B) and an alcohol-based solvent (C); and a curing agent which includes a polyisocyanate compound (D). The composition is made by mixing together the main agent and the curing agent, wherein the (B) component and the (C) component are included in the main agent in amounts from 2 to 35 parts by mass as effective component of the hydrolyzable ester compound (B) and from 2 to 10 parts by mass of the alcohol-based solvent (C) per 100 parts by mass of solid fraction of the hydroxyl group-containing resin (A), and the hydroxyl groups of the hydroxyl group-containing resin (A) and the functional groups of the polyisocyanate compound (D) are mixed in proportions of from 0.5 to 1.5 as the mol ratio of NCO/OH.Type: ApplicationFiled: January 19, 2010Publication date: December 8, 2011Applicant: BASF Coatings Japan Ltd.Inventors: Eishi Tsukamoto, Tatsuo Hayakawa, Makoto Iuchi, Yasufumi Honda
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Publication number: 20110263789Abstract: Disclosed is a hyperbranched, dendritic, hydroxyl-functional polyester comprising an OH number greater than or equal to 180 mg KOH/g as measured via DIN 53240 and to clearcoat compositions comprising said polyesters. Also disclosed are processes for preparing the disclosed polyester, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.Type: ApplicationFiled: June 5, 2008Publication date: October 27, 2011Applicants: BASF COATINGS AG, BASF COATINGS JAPAN LTD.Inventors: Hitoshi Taniguchi, Eishi Tsukamoto, Hiroyuki Takagi, Andreas Poppe, Günter Klein, Veronika Lackstadter, Bianca Giesen, Petra Wagner, Björn Feldmann, Sabine Holtschulte, Julia Melzer, Tanja Bricke, Oliver Hilge, Benedikt Schnier, Silke Hottenbacher, Ulrike Clausen-Meiring
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Publication number: 20110152440Abstract: [Problem] To provide a paint composition which forms paint films which are excellent in terms of car-wash scratching resistance, acid resistance and weather resistance, a method of finish painting and painted objects. [Means of Resolution] A paint composition which has as essential components hydroxyl group containing resin (A) which has a hydroxyl group value of from 80 to 220 mgKOH/g, a glass transition temperature of ?50° C. or above but below 0° C. and which contains from 25 to 55 mass % of units of 4-hydroxybutyl (meth)acrylate origin, hydroxyl group containing resin (B) which has a hydroxyl group value of from 80 to 220 mgKOH/g and a glass transition temperature of from 0 to 50° C.Type: ApplicationFiled: August 22, 2008Publication date: June 23, 2011Applicants: BASF COATINGS JAPAN LTD., BASF COATINGS AGInventors: Hitoshi Taniguchi, Hiroyuki Takagi, Eishi Tsukamoto, Andreas Poppe, Björn Feldmann, Julia Melzer, Sabine Holtschulte, Karl-Heinz Joost
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Publication number: 20100120952Abstract: The invention relates to two-component coating systems comprising as component (a) one or more polyisocyanates, as component (b) one or more oligomeric and/or polymeric compounds that are reactive with component (a), and as component (c) one or more phosphonates selected from the group of phosphonic diesters and diphosphonic diesters, where (i) component (b) comprises all oligomeric and/or polymeric compounds that are present in the two-component coating system and are reactive with component (a) and (ii) component (b) contains not more than 15% by weight, based on the total weight of component (b), of oligomeric and/or polymeric compounds which carry isocyanate-reactive amino groups. Additionally provided by the invention are a process for preparing the two-component coating systems, and the use of these coating systems as a clearcoat, more particularly for multicoat automobile finishing.Type: ApplicationFiled: March 20, 2008Publication date: May 13, 2010Applicants: BASF COATINGS AG, BASF COATINGS JAPAN LTD.Inventors: Hitoshi Taniguchi, Eishi Tsukamoto, Hiroyuki Takagi, Andreas Poppe, Sabine Holtschulte, Julia Melzer, Petra Wagner, Bjoern Feldmann