Patents by Inventor Masaki Kobori

Masaki Kobori 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: 4307006
    Abstract: A latex of vinylidene chloride copolymer particle which has a three-layered structure comprising 20 to 70 parts by weight of a core layer of vinylidene chloride copolymer containing 85 to 94% by weight of vinylidene chloride, 3 to 15 parts by weight of an intermediate layer of vinylidene chloride copolymer containing more than 94% by weight of vinylidene chloride and 20 to 70 parts by weight of an outer layer of vinylidene chloride copolymer containing 85 to 94% by weight of vinylidene chloride, the three layers amounting to 100 parts by weight.
    Type: Grant
    Filed: September 19, 1980
    Date of Patent: December 22, 1981
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masayasu Suzuki, Masaki Kobori