Patents by Inventor Nobuo Mitsuhata

Nobuo Mitsuhata 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
  • 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
  • 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
  • Publication number: 20040019145
    Abstract: The present invention can provide the aqueous coating composition of fluorine-containing copolymer being excellent in long-term weather resistance and useful for the interior and exterior of buildings and the aqueous dispersion composition of fluorine-containing copolymer which is used for the aqueous coating composition. The aqueous coating composition of fluorine-containing copolymer is prepared by dispersing in water the aqueous dispersion of fluorine-containing copolymer having hydroxyl and the water dispersible polyisocyanate compound.
    Type: Application
    Filed: March 14, 2003
    Publication date: January 29, 2004
    Inventors: Katsuhiko Imoto, Susumu Wada, Nobuo Mitsuhata, Tsunehiko Fuwa, Haruhiko Mohri
  • Patent number: 6541552
    Abstract: To provide the aqueous-dispersing composition of synthetic resin which is excellent in stain-proofing property, weather resistance and storage stability and is capable of forming a coating film having a high gloss. The aqueous-dispersing composition of synthetic resin comprises an aqueous dispersion of synthetic resin and a condensate of tetrafunctional silicate compound represented by the formula (I): wherein R comprises R1 (R1 is methyl and/or ethyl) and R2 (R2 is at least one linear or branched alkyl group having 3 to 10 carbon atoms), n is 2 to 15, and contains the condensate of tetrafunctional silicate compound in an amount of 1 to 100 parts by weight on the basis of 100 parts by weight of solid content in the aqueous dispersion of synthetic resin.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: April 1, 2003
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuhiko Tsuda, Katsuhiko Imoto, Nobuo Mitsuhata, Masaru Nagato
  • Patent number: 6359030
    Abstract: An aqueous-dispersing composition of synthetic resin (A) having an intrinsic viscosity “&eegr;” of from 0.3 to 2.0 measured at 35° C. in a methyl ethyl ketone solvent or a mixture of that aqueous dispersion and an aqueous dispersion of synthetic resin (B) having an intrinsic viscosity “&eegr;” of not less than 0.6 which is larger by 0.3 or more than the intrinsic viscosity “&eegr;” of the synthetic resin (A) when the intrinsic viscosity is measured at 35° C. in a methyl ethyl ketone solvent. The aqueous-dispersing composition and the mixture have improved film forming property and can give a coating film being excellent in chemical resistance, water resistance, mechanical properties and further hot water resistance.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: March 19, 2002
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuhiko Tsuda, Katsuhiko Imoto, Nobuo Mitsuhata, Masaru Nagato
  • Patent number: 6350806
    Abstract: An aqueous-dispersing composition which gives a coating being excellent in storage stability and forming a coating film being excellent in stain-proofing property and stain removable property and having sufficient gloss and hardness, and the composition contains said colloidal silica, in solid content, in an amount of more than 50 parts by weight up to 300 parts by weight and said organoalkoxysilane in an amount of 0.1 to 20 parts by weight on the basis of 100 parts by weight in solid content of an aqueous dispersion of fluorine-containing polymer particles.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: February 26, 2002
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuhiko Tsuda, Katsuhiko Imoto, Nobuo Mitsuhata, Masaru Nagato
  • Patent number: 6326437
    Abstract: An aqueous-dispersing composition of a crosslinkable fluorine-containing resin which comprises an aqueous dispersion of a fluorine-containing seed polymer (B) obtained by seed-polymerizing a non-fluorine-containing monomer containing a non-fluorine-containing monomer (a) having carboxyl group and/or acetoacetyl group and a reactive &agr;,&bgr;-unsaturated group, in an aqueous medium in the presence of particles of a fluorine-containing polymer (A) and a polyvalent metal compound capable of metal crosslinking.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: December 4, 2001
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuhiko Tsuda, Katsuhiko Imoto, Nobuo Mitsuhata, Masaru Nagato