Patents by Inventor Keiko Kunimasa

Keiko Kunimasa 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: 7745530
    Abstract: The present invention provides an aqueous emulsion resin composition which comprises: (a) a resin composition containing at least one fluoroolefin polymer having crosslinkable group(s) at a terminus and/or a side chain of its molecule and at least one non-fluoroolefin polymer having crosslinkable group(s) at a terminus and/or a side chain of its molecule; and (b) at least one curing agent selected from the group consisting of isocyanates, melamines, hydrazides, carbodiimides, silanes and epoxides; and provides an aqueous emulsion resin compositions containing at least one chemically bonded product of a fluoroolefin polymer and a non-fluoroolefin polymer bonded to each other via at least one covalent bond at a terminus and/or a side chain of the molecules wherein one or both of the fluoroolefin polymer and the non-fluoroolefin polymer have crosslinkable group(s).
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: June 29, 2010
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuo Mitsuhata, Tsunehiko Fuwa, Susumu Wada, Keiko Kunimasa, Haruhiko Mohri, Nobuo Fukita
  • Patent number: 6800679
    Abstract: A durable water repellent agent comprising a repellent and a fluorine-containing resin, wherein the repellent comprises at least one member selected from the group consisting of a perfluoroalkyl group-containing substance (I), a fluorine-containing surfactant (II), a fluorine-containing oil (III), a fluorosilicone oil (IV) and a silicone oil (V), the solid content weight ratio between said repellent and said fluorine-containing resin being (repellent):(fluorine-containing resin)=50:50 to 99:1.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: October 5, 2004
    Assignee: Daikin Industries, Ltd.
    Inventors: Susumu Wada, Kayoko Honda, Keiko Kunimasa, Katsuhiko Imoto
  • Publication number: 20040192828
    Abstract: The present invention provides an aqueous emulsion resin composition which comprises:
    Type: Application
    Filed: December 23, 2003
    Publication date: September 30, 2004
    Inventors: Nobuo Mitsuhata, Tsunehiko Fuwa, Susumu Wada, Keiko Kunimasa, Haruhiko Mohri, Nobuo Fukita
  • Patent number: 6784239
    Abstract: A durable water repellent agent comprising a repellent and a fluorine-containing resin, wherein the repellent comprises at least one member selected from the group consisting of a perfluoroalkyl group-containing substance (I), a fluorine-containing surfactant (II), a fluorine-containing oil (III), a fluorosilicone oil (IV) and a silicone oil (V), the solid content weight ratio between said repellent and said fluorine-containing resin being (repellent):(fluorine-containing resin)=50:50 to 99:1.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: August 31, 2004
    Assignee: Daikin Industries, Ltd.
    Inventors: Susumu Wada, Kayoko Honda, Keiko Kunimasa, Katsuhiko Imoto
  • Publication number: 20040077790
    Abstract: There is provided a resin composition for aqueous paint which has well-balanced non-stain-adhering property and weather resistance and can provide a coating film having a high gloss. The resin composition for aqueous paint comprises 100 parts by weight of a synthetic resin emulsion (A) (parts by weight of a solid content of the emulsion), from 0.
    Type: Application
    Filed: August 26, 2003
    Publication date: April 22, 2004
    Inventors: Keiko Kunimasa, Susumu Wada, Nobuo Mitsuhata, Tsunehiko Fuwa, Haruhiko Mohri
  • Patent number: 6548614
    Abstract: A stain-proofing agent comprising a compound represented by the formula (1): and non-aqueous composition for paints comprising the stain-proofing agent, resin, curing agent and/or curing catalyst and being capable of forming a coating film remarkably excellent in stain-proofing property.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: April 15, 2003
    Assignee: Daikin Industries, Ltd.
    Inventors: Haruhiko Mohri, Susumu Wada, Akira Chida, Masaru Nagato, Keiko Kunimasa, Yoshiki Shimizu
  • Publication number: 20020165303
    Abstract: A durable water repellent agent comprising a repellent and a fluorine-containing resin, wherein the repellent comprises at least one member selected from the group consisting of a perfluoroalkyl group-containing substance (I), a fluorine-containing surfactant (II), a fluorine-containing oil (III), a fluorosilicone oil (IV) and a silicone oil (V), the solid content weight ratio between said repellent and said fluorine-containing resin being (repellent):(fluorine-containing resin)=50:50 to 99:1.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 7, 2002
    Inventors: Susumu Wada, Kayoko Honda, Keiko Kunimasa, Katsuhiko Imoto
  • Publication number: 20020143099
    Abstract: A durable water repellent agent comprising a repellent and a fluorine-containing resin, wherein the repellent comprises at least one member selected from the group consisting of a perfluoroalkyl group-containing substance (I), a fluorine-containing surfactant (II), a fluorine-containing oil (III), a fluorosilicone oil (IV) and a silicone oil (V), the solid content weight ratio between said repellent and said fluorine-containing resin being (repellent):(fluorine-containing resin)=50:50 to 99:1.
    Type: Application
    Filed: March 15, 2002
    Publication date: October 3, 2002
    Inventors: Susumu Wada, Kayoko Honda, Keiko Kunimasa, Katsuhiko Imoto
  • Publication number: 20010031850
    Abstract: A stain-proofing agent comprising a compound represented by the formula (1): 1
    Type: Application
    Filed: April 3, 2001
    Publication date: October 18, 2001
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Haruhiko Mohri, Susumu Wada, Akira Chida, Masaru Nagato, Keiko Kunimasa, Yoshiki Shimizu
  • Patent number: 6075110
    Abstract: A stain-proofing agent comprising a compound represented by the formula (1): ##STR1## and non-aqueous composition for paints comprising the stain-proofing agent, resin, curing agent and/or curing catalyst and being capable of forming a coating film remarkably excellent in stain-proofing property.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: June 13, 2000
    Assignee: Daikin Industries, Ltd.
    Inventors: Haruhiko Mohri, Susumu Wada, Akira Chida, Masaru Nagato, Keiko Kunimasa, Yoshiki Shimizu