Patents by Inventor Haruo Manabe

Haruo Manabe 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).

  • Method for removal of mercury in sulfur dioxide-containing gas
    Patent number: 3961031
    Abstract: A method for the removal of mercury contained in a sulfur dioxide-containing gas which comprises contacting the sulfur dioxide-containing gas with an aqueous thiourea solution which optionally contains an acid at an acid concentration higher than one normal to selectively absorb mercury in a vapor state.
    Type: Grant
    Filed: November 11, 1974
    Date of Patent: June 1, 1976
    Assignee: Nippon Mining Co., Ltd.
    Inventors: Hiroshi Yasui, Iwao Kyono, Hideo Aoki, Haruo Manabe