Patents by Inventor Akitaka Senuma

Akitaka Senuma 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).

  • Flame retardant composition
    Patent number: 5296534
    Abstract: A flame retardant composition comprising:(i) a thermoplastic resin;(ii) magnesium hydroxide; and(iii) an organopolysiloxane modified styrene elastomer.
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: March 22, 1994
    Assignee: Nippon Unicar Company Limited
    Inventors: Akitaka Senuma, Nobuo Yasuda, Isao Noda
  • Organopolysiloxane/olefin copolymers
    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
  • Modified ethylene copolymer
    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
  • Crosslinkable composition
    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
  • Kneaded moldable resin composition
    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
  • Process and composition for producing open-cell cross linked polyolefin film
    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
  • Process and composition for producing open-cell cross linked polyolefin foam
    Patent number: 4499210
    Abstract: A composition suitable for open-cell polyolefin foam which comprises 100 parts by weight of olefin resin, 1 to 20 parts by weight of blowing agent, 0.3 to 10 parts by weight of organic peroxide crosslinking agent, 0.1 to 10 parts by weight of trifunctional monomer, and 1 to 5 parts by weight of silicone oil or a derivative thereof.
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: February 12, 1985
    Assignee: Union Carbide Corporation
    Inventors: Akitaka Senuma, Takao Aizawa
  • Process and composition for producing open-cell cross linked polyolefin foam
    Patent number: 4424181
    Abstract: A composition suitable for open-cell polyolefin foam which comprises 100 parts by weight of olefin resin, 1 to 20 parts by weight of blowing agent, 0.3 to 10 parts by weight of organic peroxide crosslinking agent, 0.1 to 10 parts by weight of trifunctional monomer, and 1 to 5 parts by weight of silicone oil or a derivative thereof.
    Type: Grant
    Filed: October 13, 1982
    Date of Patent: January 3, 1984
    Assignee: Nippon Unicar Company
    Inventors: Akitaka Senuma, Takao Aizawa