Patents Assigned to Nihon Tennen Gas Kogyo Co., Ltd.
  • Chitosan-iodine adduct
    Patent number: 4275194
    Abstract: A novel chitosan-iodine adduct wherein iodine is included in chitosan molecule is useful as a deodorant, a sterilizer or a disinfectant since the adduct holds iodine in a stable form and can release active iodine gradually into the environment as occasion demands. Also, a disinfectant fiber can be produced by sticking the chitosan-iodine adduct onto a fiber.
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: June 23, 1981
    Assignee: Nihon Tennen Gas Kogyo Co., Ltd.
    Inventors: Masatada Kato, Nobuaki Mineshima, Tatsuo Kato, Yoshiharu Kawada, Hironori Hanada, Teiichi Inomata