Patents by Inventor Hiroshi Miyaoka

Hiroshi Miyaoka 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).

  • Apparatus for the production of glycerol dichlorohydrin
    Patent number: 3957442
    Abstract: Glycerol dichlorohydrin is prepared by dissolving allyl chloride vapor in an upwardly flowing aqueous stream, dissolving chlorine gas in a separate second upwardly flowing aqueous stream to form a hypochlorous acid solution, mixing the two streams and flowing them downwardly in a reaction column where they react to form glycerol dichlorohydrin.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: May 18, 1976
    Assignee: Asahi Denka Kogyo Kabushiki Kaisha
    Inventors: Hiroaki Yamamoto, Hideo Harada, Hiroshi Miyaoka, Minoru Tanaka, Osamu Kubota, Shizuo Nakamura, Yasusi Nakamura