Patents Assigned to Nipon Sanso Corporation
  • Method for removing hydrides, alkoxides and alkylates out of a gas using cupric hydroxide
    Patent number: 5853678
    Abstract: The present invention relates to a method of removing harmful components selected from the group consisting of volatile inorganic hydrides, volatile inorganic halides and organometallic compounds and a method of detecting the same, apparatus employed according to these methods. The harmful components can be removed by bringing it into contact with a crystalline cupric hydroxide. The harmful components can be detected based on the color change of the copper hydroxide.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: December 29, 1998
    Assignee: Nipon Sanso Corporation
    Inventors: Yoshiaki Sugimori, Tadaharu Watanabe, Hitoshi Kikuchi, Fumitaka Endo, Shinji Ichimura, Megumi Yoshida, Hiroaki Imai