Patents by Inventor Takeo Odaka

Takeo Odaka 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 of treating effluents containing sulfur oxides
    Patent number: 4584107
    Abstract: A method of treating effluents containing sulfur oxide ions, such as sulfite ions, thiosulfate ions, thionate ions and bisulfite ions, comprises blowing ozone-containing air into the effluent to reduce the COD level in the effluent to 6 mg/l or below, and neutralizing the so treated effluent with an alkali. This method is capable of producing neutral effluents with small equipment and within a short period of time, and the treated effluent will not experience an appreciable drop in the pH even if it is left to stand for a prolonged period.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: April 22, 1986
    Assignee: Sumitomo Metal Mining Company Limited
    Inventors: Takeo Odaka, Hiroichi Miyashita