Patents by Inventor Mituru Otomo

Mituru Otomo 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).

  • Process for removing sulfur dioxide from combustion exhaust gas
    Patent number: 4367205
    Abstract: The present invention concerns a process for removing sulfur dioxide from a combustion exhaust gas, wherein sulfur dioxide contained in the combustion exhaust gas is absorbed into an aqueous absorbent containing carboxylate salts and after oxidizing the thus formed sulfite and hydrogen sulfite into sulfate, the sulfate is converted into gypsum and separated, the invention particularly concerning a method for suppressing the decomposition of the carboxylate salts at the same time oxidizing the sulfite and hydrogen sulfite.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: January 4, 1983
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshihiko Kudo, Yukio Suzuki, Mituru Otomo