Patents by Inventor Kiroku Tsukada

Kiroku Tsukada 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: 6706791
    Abstract: A composition comprising: (a) one or more copolymers selected from the group consisting of (I) a copolymer of ethylene and vinyl acetate containing about 10 to about 50 percent by weight vinyl acetate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; (II) a copolymer of ethylene and ethyl acrylate containing about 10 to about 50 percent by weight ethyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; and (III) a copolymer of ethylene and butyl acrylate containing about 10 to about 50 percent by weight butyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes, and based upon 100 parts by weight of component (a): (b) about 55 to about 200 parts by weight of a linear copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms, the copolymer having a melt mass flow rate of about 0.1 to about 30 grams per 10 minutes and a density of 0.870 to 0.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: March 16, 2004
    Assignee: Nippon Unicar Company Limited
    Inventors: Kiroku Tsukada, Ariyoshi Ohki, Koji Ishihara
  • Patent number: 6525119
    Abstract: A composition comprising: (a) one or more copolymers selected from the group consisting of (I) a copolymer of ethylene and vinyl acetate containing about 10 to about 50 percent by weight of units of vinyl acetate; (II) a copolymer of ethylene and ethyl acrylate containing about 10 to about 50 percent by weight of units of ethyl acrylate; and (III) a copolymer of ethylene and butyl acrylate containing about 10 to about 50 percent by weight of units of butyl acrylate; (b) about 55 to about 200 parts by weight, based upon 100 parts by weight of component (a), of a linear copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms, and a density of 0.870 to 0.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: February 25, 2003
    Assignee: Nippon Unicar Company Limited
    Inventors: Kiroku Tsukada, Ariyoshi Ohki, Koji Ishihara
  • Publication number: 20020032258
    Abstract: A composition comprising:
    Type: Application
    Filed: April 3, 2001
    Publication date: March 14, 2002
    Inventors: Kiroku Tsukada, Ariyoshi Ohki, Koji Ishihara
  • Publication number: 20010014709
    Abstract: A composition comprising:
    Type: Application
    Filed: April 3, 2001
    Publication date: August 16, 2001
    Inventors: Kiroku Tsukada, Ariyoshi Ohki, Koji Ishihara
  • Patent number: 6232376
    Abstract: A moisture curable polyolefin composition comprising: (a) a polyolefin, and for each 100 parts by weight of component (a), (b) 0.1 to 10 parts by weight of an unsaturated alkoxy silane; (c) 0.01 to 2 parts by weight of an organic peroxide; (d) 0.01 to 2 parts by weight of a silanol condensation catalyst; (e) 0.02 to 2 parts by weight of a hindered amine stabilizer; (f) 0.01 to 1 part by weight of a hindered phenol antioxidant; and (g) 0.01 to 1 part by weight of an arylamine antioxidant.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: May 15, 2001
    Assignee: Nippon Unicar Company Ltd.
    Inventors: Kiroku Tsukada, Makoto Okazawa, Ariyoshi Ohki, Hirofumi Yasuda, Yasuo Nomura, Koji Ishihara
  • Patent number: 5260363
    Abstract: A composition comprising:(i) a crosslinkable thermoplastic resin;(ii) an aliphatic monomeric compound having two or more carbon to carbon double bonds;(iii) an organic peroxide crosslinking agent; and(iv) a linear organopolysiloxane/alpha-olefin copolymer having the following formula: ##STR1## wherein R is a saturated aliphatic or aromatic group and each R is alike or different;a is about 1 to about 1000; andb is about 5 to about 100The composition is useful as coating composition for an electrical conductor.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: November 9, 1993
    Assignee: Nippon Unicar Company Limited
    Inventors: Akitaka Senuma, Toshiyuki Nagai, Kiroku Tsukada, Akio Hayashi, Isao Noda
  • Patent number: 5182072
    Abstract: A process involving mixing an ethylene/vinyl acetate copolymer and an organopolysiloxane at a temperature of at least 160.degree. C. for a sufficient length of time to provide a melt index of 0.05 to 8 grams per 10 minutes.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: January 26, 1993
    Assignee: Nippon Unicar Company Limited
    Inventors: Kiroku Tsukada, Kunio Kotani
  • Patent number: 5143960
    Abstract: A composition comprising (i) a copolymer of ethylene; one or more polar unsaturated alcohols, acids, or esters; and a N-substituted maleimide or (ii) a copolymer of ethylene and one or more polar unsaturated alcohols, acids, or esters grafted with an N-substituted maleimide.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: September 1, 1992
    Assignee: Nippon Unicar Company Limited
    Inventors: Akitaka Senuma, Toshiyuki Nagai, Kiroku Tsukada, Akio Hayashi
  • Patent number: 5100924
    Abstract: A composition comprising:(i) a blend of a homopolymer of ethylene or a copolymer of ethylene and one or more comonomers; an organopolysiloxane; optionally, a monomeric diene; and, optionally, an organic peroxide, said blend having a gel content of at least about 10 percent by weight; and(ii) a blowing agent.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: March 31, 1992
    Assignee: Nippon Unicar Company Limited
    Inventors: Akitak A. Senuma, Kiroku Tsukada, Nobuaki Hirose, Isao Noda
  • Patent number: 5037887
    Abstract: A composition comprising:(i) a crosslinkable thermoplastic resin;(ii) an organic peroxide crosslinking agent; and(iii) a linear polyorganosiloxane having the following recurring unit: ##STR1## wherein R is a saturated aliphatic or aromatic group and each R can be alike or different;a is about 5 to about 100;b is about 1 to about 1000; andthe polyorganosiloxane is terminated at the [CH.sub.2 ].sub.a end with --CH.dbd.CH.sub.2 or hydrogen and at the ##STR2## end with--[CH.sub.2 ].sub.a --CH.dbd.CH.sub.2 or hydrogen provided that at least one --CH.dbd.CH.sub.2 is present.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: August 6, 1991
    Assignee: Nippon Unicar Company Limited
    Inventors: Akitaka Senuma, Toshiyuki Nagai, Kiroku Tsukada, Akio Hayashi, Isao Noda
  • Patent number: 5017635
    Abstract: A novel kneaded moldable resin composition and the molding produced therefrom are described. The composition comprises an ethylene polymer, an organopolysiloxane, and a hydrocarbon compound expressed by the formula CH.sub.2 .dbd.CH(CH.sub.2).sub.1-30 CH.dbd.CH.sub.2 and is moldable into films, sheets, tubes, and a variety of plastic parts.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: May 21, 1991
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Akitaka Senuma, Kiroku Tsukada, Isao Noda
  • Patent number: 4501711
    Abstract: Process and composition for single step production of foam by utilizing a blowing agent, organic peroxide cross linking agent and a silicone block copolymer.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: February 26, 1985
    Assignee: Union Carbide Corporation
    Inventors: Akitaka Senuma, Yoshihiko Shimizu, Kiroku Tsukada
  • Patent number: 4307211
    Abstract: Preparation of an ethylene-ethyl acrylate-acrylic acid terpolymer by hydrolysis of ethylene-ethyl acrylate copolymer in an inert atmosphere at a temperature of from about 150.degree. C. to about 450.degree. C. and a pressure of from about 3 to about 300 kg/cm.sup.2.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: December 22, 1981
    Assignee: Union Carbide Corporation
    Inventors: Yukio Ito, Kazuyuki Isobe, Kiroku Tsukada, Fumio Tsuruwaka