Patents by Inventor Hirohumi Mori

Hirohumi Mori 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: 4517318
    Abstract: A photo-degradable styrene resin composition which comprises a styrene resin and at least one photo-degradable agent selected from the group consisting of benzophenone, anthraquinone, fluorenone, xanthone, phenylalkylketones, phenacyl halides and derivatives of these compounds, and optionally at least one photo-degradable accelerator.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: May 14, 1985
    Assignee: Sekisu Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Miyoshi, Hirohumi Mori, Yoriko Tanoue
  • Patent number: 4495315
    Abstract: A photo-degradable styrene resin composition which comprises a styrene resin and at least one photo-degradable agent selected from the group consisting of benzophenone, anthraquinone, fluorenone, xanthone, phenylalkylketones, phenacyl halides and derivatives of these compounds, and optionally at least one photo-degradable accelerator.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: January 22, 1985
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Miyoshi, Hirohumi Mori, Yoriko Tanoue
  • Patent number: 3951884
    Abstract: A photo-degrading resinous composition which comprises:A. from 50 to 100% by weight of a copolymer composed of i 95.0 - 99.9 % by weight of a monomer selected from the group consisting of styrene and methyl methacrylate, (ii) 5.0 - 0.1% by weight of a diene monomer and (iii) up to 4.9% by weight of an unsaturated ketone having the formula ##EQU1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, represent a hydrogen atom or a methyl or phenyl group, andB. up to 50% by weight of a thermoplastic synthetic resin other than said copolymer.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: April 20, 1976
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Miyoshi, Hirohumi Mori, Yoriko Tanoue