Patents by Inventor Hiromitsu Takanohashi

Hiromitsu Takanohashi 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: 4196014
    Abstract: A surface-treating paint for shaped plastic articles, said paint being the reaction product of(1) 50 to 95 mole % of an epoxyalkylalkoxysilane of the general formula ##STR1## wherein R.sup.1 represents a divalent hydrocarbon group having 1 to 4 carbon atoms, R.sup.2 and R.sup.3 represent a monovalent hydrocarbon group having 1 to 4 carbon atoms, Q represents a glycidoxy or epoxycyclohexyl group, and m is 0 or 1, and(2) 50 to 5 mole % of a fluorinated alcohol of the general formulaH--CF.sub.2 CF.sub.2).sub.p CH.sub.2 OH (II)wherein p is an integer of 1 to 7.The paint may further contain 50 to 5% by weight of the reaction product of (a) 80 to 30 mole % of an epoxyalkylalkoxysilane of general formula (I) with (b) 20 to 70 mole % of an aminoalkylalkoxysilane of the general formula ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined with regard to general formula (I), Z represents a hydrogen atom or an aminoalkyl group, and n is 0 or 1, or a partially hydrolyzed product of the reaction product.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: April 1, 1980
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Susumu Taniyama, Hiromitsu Takanohashi, Shoichi Inoue
  • Patent number: 4167537
    Abstract: A surface-coating composition for plastic articles, which comprises as a film-forming agent (A) a mixture of the reaction of an aminoalkylalkoxy silane of the general formula ##STR1## WHEREIN R.sup.1 represents a divalent hydrocarbon group containing 1 to 4 carbon atoms, R.sup.2 and R.sup.3 represent a monovalent hydrocarbon group containing 1 to 4 carbon atoms, Z represents a hydrogen atom or an aminoalkyl group, and n is 0 or 1, with an epoxyalkylalkoxy silane of the general formula ##STR2## WHEREIN R.sup.1, R.sup.2 and R.sup.3 are as defined above, Q represents a glycidoxy group ##STR3## or an epoxycyclohexyl group, and m is 0 or 1, and (B) a mixture of an alkyl-modified methylol melamine of the general formula ##STR4## wherein R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.
    Type: Grant
    Filed: January 16, 1978
    Date of Patent: September 11, 1979
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Susumu Taniyama, Hiromitsu Takanohashi, Shoichi Inoue
  • Patent number: 4059565
    Abstract: A polyfunctional organic compound, as a crosslinking agent, is used for producing a branched polycarbonate or poly(ester-carbonate).
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: November 22, 1977
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Hiroyuki Yoshizaki, Hiromitsu Takanohashi, Yoshitaka Masuda
  • Patent number: 3981843
    Abstract: An impact-resistant, flame-retardant resin composition is disclosed comprisingI. 100 parts by weight of a resin mixture of:A. 15 to 85 weight percent of ABS resin, andB. 15 to 85 weight percent of a high molecular weight aromatic polycarbonate copolymer derived from 5 to 50 weight percent of a bisphenol the nucleus of which is substituted with a halogen, and 50 to 95 weight percent of an unsubstituted bisphenol, andIi. 0.001 to 5 parts by weight of an inorganic or organic antimony compound.
    Type: Grant
    Filed: September 27, 1974
    Date of Patent: September 21, 1976
    Assignees: Daicel, Ltd., Mitsubishi Gas Chemical Company, Inc.
    Inventors: Hiroyuki Yoshizaki, Hiromitsu Takanohashi, Yoshitaka Masuda, Yukio Hozumi, Akira Ohi, Yuzo Sonoyama
  • Patent number: 3947524
    Abstract: A flame retardant resin composition having a high impact resistance is disclosed, containing (A) 20 to 85 weight percent of a high molecular weight aromatic polycarbonate copolymer comprising (1) 2 to 30 molar percent of a bisphenol the nucleus of which is substituted with a halogen and (2) 70 to 98 molar percent of a halogen-free bisphenol and (B) 80 to 15 weight percent of an ABS resin comprising a mixture of (1) a graft copolymer of a butadiene-based rubbery polymer to which is grafted a vinyl aromatic hydrocarbon and acrylonitrile and and (2) a copolymer of a vinyl aromatic hydrocarbon and acrylonitrile. The amount of said rubbery polymer is 5 to 40 weight percent of the ABS resin.
    Type: Grant
    Filed: October 23, 1974
    Date of Patent: March 30, 1976
    Assignees: Daicel Ltd., Mitsubishi Gas Chemical Company Inc.
    Inventors: Yukio Hozumi, Akira Ohi, Yuzo Toga, Hiroyuki Yoshizaki, Hiromitsu Takanohashi, Yoshitaka Masuda