Radiation-resistant Composition Patents (Class 585/944)
  • Patent number: 4275253
    Abstract: A radiation resistant working oil for lubricating parts of atomic power facilities which are exposed to radioactive rays consists essentially of alpha-benzyl substituted methylnaphthalene isomers and beta-benzyl substituted methylnaphthalene isomers in the ratio of about 1:0.2-1:1.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: June 23, 1981
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masaaki Takahashi, Akira Ito