Patents by Inventor Kazuyoshi Tsuneta

Kazuyoshi Tsuneta 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).

  • Patent number: 6541562
    Abstract: An aqueous paint composition comprising: (i) an aqueous dispersion obtained by neutralizing with a neutralizing agent a hydrolytic condensation reaction product of (a) 100 parts by weight of an organosilane of the formula (1) R1nSi(OR2)4-n, wherein R1 is a C1-8 organic group, R2 is a C1-5 alkyl group, and n is 1 or 2, and/or its partially hydrolyzed condensate, with (b) from 5 to 200 parts by weight of a silyl group-containing vinyl resin having hydrolyzable silyl groups or silyl groups having silicon atoms bonded to hydroxyl groups and having an acid value of from 20 to 150 mgKOH/g, and adding water thereto, (ii) an amino group-containing alkoxysilane compound, and (iii) an epoxy group-containing compound.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: April 1, 2003
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Ryuichi Aoki, Tadashi Hatakeyama, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Patent number: 6538062
    Abstract: A resin composition for an aqueous paint, which comprises (a) a binder composed of different phase structure emulsion particles obtained by multi-stage emulsion polymerization, and (b) a compound having at least two hydrazide groups in its molecule, wherein the different phase structure emulsion particles have an outermost phase formed of an emulsion polymer which is an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from −50° C. to 15° C., and the following conditions (1) to (3) are satisfied: (1) the emulsion polymer forming the outermost phase contains from 1 to 25 mass % of an ethylenic unsaturated monomer having a carbonyl group, (2) at least one phase located inside the outermost phase of the different phase structure emulsion particles, is formed of an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from 50° C. to 150° C.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: March 25, 2003
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Shinya Sakaguchi, Atsushi Takamatsu, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Publication number: 20020132931
    Abstract: A resin composition for an aqueous paint containing different phase structure emulsion particles obtained by multi-stage emulsion polymerization as a binder, wherein the different phase structure emulsion particles have an outermost phase formed by an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from −500° C. to 10° C.
    Type: Application
    Filed: March 18, 2002
    Publication date: September 19, 2002
    Applicant: DAI NIPPON INSATSU KABUSHIKI KAISHA, SHINJUKU-KU JAPAN
    Inventors: Masayoshi Okubo, Shinya Sakaguchi, Atsushi Takamatsu, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Patent number: 6410655
    Abstract: A resin composition for an aqueous paint containing different phase structure emulsion particles obtained by multi-stage emulsion polymerization as a binder, wherein the different phase structure emulsion particles have an outermost phase formed by an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from −50° C. to 10° C., and satisfy the following conditions (1) to (3): (1) the emulsion polymer forming the outermost phase contains from 1 to 20 mass % of an ethylenic unsaturated monomer having at least one of a polyethylene glycol chain and a polypropylene glycol chain, (2) at least one phase of inner phases from the outermost phase of the different phase structure emulsion particles comprises an emulsion polymer of an ethylenic unsaturated monomer having a glass transition temperature of from 30° C. to 110° C., and (3) the binder has a minimum film-forming temperature of at most 10° C.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: June 25, 2002
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Masayoshi Okubo, Shinya Sakaguchi, Atsushi Takamatsu, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Publication number: 20020013405
    Abstract: A resin composition for an aqueous paint, which comprises (a) a binder composed of different phase structure emulsion particles obtained by multi-stage emulsion polymerization, and (b) a compound having at least two hydrazide groups in its molecule, wherein the different phase structure emulsion particles have an outermost phase formed of an emulsion polymer which is an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from −50° C. to 15° C.
    Type: Application
    Filed: June 19, 2001
    Publication date: January 31, 2002
    Applicant: Dai Nippon Toryo Co., Ltd.
    Inventors: Shinya Sakaguchi, Atsushi Takamatsu, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Publication number: 20010003770
    Abstract: A resin composition for an aqueous paint containing different phase structure emulsion particles obtained by multi-stage emulsion polymerization as a binder, wherein the different phase structure emulsion particles have an outermost phase formed by an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from −50° C. to 10° C.
    Type: Application
    Filed: December 8, 2000
    Publication date: June 14, 2001
    Applicant: Dai Nippon Toryo Co., Ltd.
    Inventors: Masayoshi Okubo, Shinya Sakaguchi, Atsushi Takamatsu, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Patent number: 6034161
    Abstract: A cold-setting aqueous emulsion paint comprising a pigment and an aqueous emulsion resin consisting essentially of a copolymer of (a) a polymerizable monomer of the formula (I): ##STR1## wherein R is a hydrogen atom or a methyl group, and n is 1 or 2, (b) a polymerizable monomer having a carboxyl group and an ethylenic double bond, and (c) a polymerizable monomer having an ethylenic double bond copolymerizable with the above polymerizable monomers (a) and (b).
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: March 7, 2000
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Tetsuo Nakamura, Hiroharu Sasaki, Kazuyoshi Tsuneta, Sadakazu Hokamura
  • Patent number: 5763015
    Abstract: A method for sealing a zinc-aluminum pseudo alloy spray coating, which comprises forming a zinc-aluminum pseudo alloy spray coating on a substrate to be spray-coated, and then sealing the surface of the coating with a chromium-free sealing material containing phosphoric acid in an amount of from 0.1 to 7 wt %.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: June 9, 1998
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Kenji Hasui, Toshiaki Arakawa, Kazuyoshi Tsuneta
  • Patent number: 5725911
    Abstract: A method for forming a metal spray coating, which comprises coating on a substrate to be metal-sprayed, one pack type cold self-crosslinking resin aqueous dispersion containing insoluble solid particles having an average particle size of from 5 to 200 .mu.m, to form a primer layer having a rough surface, and then spraying a metal on the primer layer.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: March 10, 1998
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Kazuyoshi Tsuneta, Kenji Hasui, Toru Taki
  • Patent number: 5266105
    Abstract: The present invention relates to an antifouling coating composition comprising:(a) a vehicle comprising a hydrophobic resin (A), a slightly soluble resin (B) and a hydrophilic resin (C), and(b) a copper alloy powder as an antifouling agent comprising from 3 to 25% by weight of nickel and/or manganese, from 0.1 to 1.5% by weight of iron and the rest being copper, and(c) if necessary, one of zinc oxide, germanium oxide and a flake pigment.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: November 30, 1993
    Assignees: Dai Nippon Toryo Co., Ltd., Mitsubishi Materials Corporation
    Inventors: Kazuyoshi Tsuneta, Tohru Taki, Kenji Kurosawa, Junya Ohe, Yasuzo Uchida
  • Patent number: 5213846
    Abstract: A corrosion resistant coating composition comprising (i) 100 parts by weight of a bisphenol type epoxy resin comprising bisphenol skeletons and epichlorohydrin skeletons and having at least two epoxy groups per molecule, said bisphenol skeletons comprising bisphenol A skeletons and bisphenol F skeletons in a weight ratio of from 95:5 to 60:40, and (ii) from 5 to 400 parts by weight of silica particles.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: May 25, 1993
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Kazuyoshi Tsuneta, Masanori Nagai, Osamu Ogawa, Osamu Tanida
  • Patent number: 4971838
    Abstract: A pretreating composition for metal spraying, which comprises a synthetic resin binder and from 25 to 400% by volume, based on the resin binder, of particles having a particle size of from 5 to 200 .mu.m.
    Type: Grant
    Filed: September 26, 1989
    Date of Patent: November 20, 1990
    Assignees: Dai Nippon Toryo Company, Ltd., Pan Art Craft Co., Ltd.
    Inventors: Masuzo Hamamura, Kenji Hasui, Kazuyoshi Tsuneta, Masanori Nagai
  • Patent number: 4296014
    Abstract: Disclosed in an aqueous dispersion type thermosetting coating composition which comprises fine thermosetting resin particles composed of (A) a polyester resin having a specific hydroxyl value and (B) a copolymer resin, which are dispersed in the presence of (C) a surface active agent and/or a thickener in (D) a necessary amount of water.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: October 20, 1981
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Masaaki Hayashi, Hiroharu Sasaki, Kazuyoshi Tsuneta
  • Patent number: 4277383
    Abstract: The present invention relates to an aqueous thermosetting coating composition comprising (A) a cationic thermosetting urethane resin, (B) a water-insoluble resol-type phenolic resin, (C) an acid as a neutralizing agent and (D) water as a diluent.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: July 7, 1981
    Assignee: Dai Nippon Toryo Co., Ltd
    Inventors: Masaaki Hayashi, Koichi Nagami, Kazuyoshi Tsuneta, Nobuhiro Kenmotusu
  • Patent number: 4177174
    Abstract: An epoxy resin coating composition comprising (i) an epoxy resin containing in the molecule at least 2 epoxy groups and (ii) a reaction product formed by condensing an amino compound containing in the molecule at least 2 nitrogen atoms and active hydrogen atoms bonded thereto with 5 to 30% by weight, based on said amino compound, of at least one compound selected from the group consisting of phenol-carboxylic acids and esters thereof.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: December 4, 1979
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Masaaki Hayashi, Kazuyoshi Tsuneta, Hiroshi Takada, Nobuhiro Kenmotsu, Hiroharu Sasaki
  • Patent number: 4067838
    Abstract: A chelate-forming two-pack type aqueous resin composition comprising (i) an aqueous dispersion of a resin containing in the molecule at least 2 epoxy groups and (ii) a reaction product formed between an amino curing agent containing in the molecule at least 2 nitrogen atoms and active hydrogen atoms bonded thereto and protocatechuic acid and/or gallic acid is disclosed.
    Type: Grant
    Filed: February 12, 1976
    Date of Patent: January 10, 1978
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Masaaki Hayashi, Kazuyoshi Tsuneta, Hiroharu Sasaki, Hiroshi Takada
  • Patent number: RE31985
    Abstract: Disclosed in an aqueous dispersion type thermosetting coating composition which comprises fine thermosetting resin particles composed of (A) a polyester resin having a specific hydroxyl value and (B) a copolymer resin, which are dispersed in the presence of (C) a surface active agent and/or a thickener in (D) a necessary amount of water.
    Type: Grant
    Filed: August 11, 1982
    Date of Patent: September 17, 1985
    Assignee: Dai Nippon Toryo Co, Ltd.
    Inventors: Masaaki Hayashi, Hiroharu Sasaki, Kazuyoshi Tsuneta