Patents by Inventor Kunio Iwase

Kunio Iwase 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: 7928175
    Abstract: An object of the present invention is to provide an antifouling paint composition which shows an excellent antifouling effect in seawater for a long period of time, and has excellent adhesion and recoating properties to a substrate. The present invention relates to an antifouling pain composition comprising a copolymer which is obtained by polymerizing a monomer mixture comprising silicon-containing polymerizable monomer (a) having two (meth)acryl end groups, and which contains bivalent metal atom. The copolymer is also obtained by polymerizing a monomer mixture comprising silicon-containing polymerizable monomer (b) having one (meth)acryl end group, and metal atom containing polymerizable monomer (c,) having two unsaturated groups and metal atom selected from Mg, Zn, and Cu.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: April 19, 2011
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Mitsunori Sugihara, Yukihiro Ikegami, Kazuhiko Hotta, Kunio Iwase, Junichi Nakamura
  • Publication number: 20060258772
    Abstract: An object of the present invention is to provide an antifouling paint composition which shows an excellent antifouling effect in seawater for a long period of time, and has excellent adhesion and recoating properties to a substrate. The present invention relates to an antifouling pain composition comprising a copolymer which is obtained by polymerizing a monomer mixture comprising silicon-containing polymerizable monomer (a) having two (meth)acryl end groups, and which contains bivalent metal atom. The copolymer is also obtained by polymerizing a monomer mixture comprising silicon-containing polymerizable monomer (b) having one (meth)acryl end group, and metal atom containing polymerizable monomer (c1) having two unsaturated groups and metal atom selected from Mg, Zn, and Cu.
    Type: Application
    Filed: March 12, 2004
    Publication date: November 16, 2006
    Applicant: Mitsubishi Rayon Co. Ltd.
    Inventors: Mitsunori Sugihara, Yukihiro Ikegami, Kazuhiko Hotta, Kunio Iwase, Junichi Nakamura
  • Patent number: 6727304
    Abstract: A metal-containing monomer dissolved mixture comprising a reaction product of an inorganic metal compound with a carboxyl group-containing radical polymerizable monomer, an organic solvent including at least an alcohol-based solvent, and water, wherein the water content is from 0.01 to 30% by weight; a metal-containing resin obtained by copolymerizing the metal-containing monomer (A) in this dissolved mixture with the other radical-polymerizable unsaturated monomer (B); an antifouling paint composition obtained by using this metal-containing resin; and an antifouling paint composition comprising a divalent metal-containing resin (C), a compound (D) of R1—SH (wherein, R1 represents an organic group having 1 to 30 carbon atoms.), and copper oxide (E), are disclosed.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: April 27, 2004
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Mitsunori Sugihara, Yukihiro Ikegami, Kazuhiko Hotta, Toshio Nagasaka, Kunio Iwase
  • Publication number: 20020019457
    Abstract: A metal-containing monomer dissolved mixture comprising a reaction product of an inorganic metal compound with a carboxyl group-containing radical polymerizable monomer, an organic solvent including at least an alcohol-based solvent, and water, wherein the water content is from 0.01 to 30% by weight; a metal-containing resin obtained by copolymerizing the metal-containing monomer (A) in this dissolved mixture with the other radical-polymerizable unsaturated monomer (B); an antifouling paint composition obtained by using this metal-containing resin; and an antifouling paint composition comprising a divalent metal-containing resin (C), a compound (D) of R1—SH (wherein, R1 represents an organic group having 1 to 30 carbon atoms.), and copper oxide (E), are disclosed.
    Type: Application
    Filed: June 22, 2001
    Publication date: February 14, 2002
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Mitsunori Sugihara, Yukihiro Ikegami, Kazuhiko Hotta, Toshio Nagasaka, Kunio Iwase
  • Patent number: 6037416
    Abstract: A thermosetting coating composition comprising an acrylic copolymer (A) containing vinyl monomer units each having an .alpha.,.beta.-dicarboxylic acid anhydride group and vinyl monomer units each having an .alpha.,.beta.-dicarboxylic monoester group in a total amount of 5-40 wt % and containing the vinyl monomer units with .alpha.,.beta.-dicarboxylic acid anhydride groups at 0.3-5 wt %, and an acrylic copolymer (B) with epoxy groups.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: March 14, 2000
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Akio Iwamoto, Takeshi Kato, Shinobu Fujie, Kazuhiko Hotta, Kunio Iwase, Hiroshi Takeuchi
  • Patent number: 5955169
    Abstract: A floppy disk in which the binder for fixing a magnetic substance in the recording layer of the magnetic disk is a polyester polyurethane and the liner of the jacket contains an acrylic fiber and in addition a fiber treating agent having a surface tension in a specific range. The floppy disk is excellent in workability, can be prepared in high yields because the number of dusts generated upon its preparation is small, and also is excellent in the permanence of recording performance.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: September 21, 1999
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Masakazu Hoshino, Eizou Sakurai, Hajime Itoh, Kunio Iwase, Toshio Nagasaka
  • Patent number: 5238682
    Abstract: Insectproofing fibers are disclosed in which the surface of the fibers is coated with a mixture of an organic insectproofing agent, an organic insectproofing agent included in a monomer-trimer type cyclodextrin having an average molecular weight of 3000 or less and an organopolysiloxane, and the interior of the fibers is also impregnated with the mixture. The insectproofing fibers have an insectproofing effect against bugs for a long period of time and the effect is durable.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: August 24, 1993
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Masanori Akasaka, Yoshirou Sawai, Kunio Iwase, Hideki Moriishi