Patents by Inventor Masayoshi Onda

Masayoshi Onda 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).

  • Stabilizing sodium parcabonate by separately spraying coating solutions of boric acid and a silicate
    Patent number: 5312557
    Abstract: A bleaching detergent composition is disclosed which contains granulated sodium percarbonate incorporated therein formed by separately spraying an aqueous boric acid solution and an aqueous alkali metal silicate solution onto sodium percarbonate particles kept in a fluidized state to coat the sodium percarbonate particles with an aqueous solution of the boric acid and the alkali metal silicate.
    Type: Grant
    Filed: April 6, 1993
    Date of Patent: May 17, 1994
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Masayoshi Onda, Akira Ito, Yasuo Hiro, Kenji Umehara, Yuji Yoneyama
  • Bleaching detergent composition
    Patent number: 5219549
    Abstract: A bleaching detergent composition is disclosed which contains granulated sodium percarbonate incorporated therein formed by separately spraying an aqueous boric acid solution and an aqueous alkali metal silicate solution onto sodium percarbonate particles kept in a fluidized state to coat the sodium percarbonate particles with an aqueous solution of the boric acid and the alkali metal silicate.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: June 15, 1993
    Assignees: Mitsubishi Gas Chemical Company, Inc., Lion Corporation
    Inventors: Masayoshi Onda, Akira Ito, Yasuo Hiro, Kenji Umehara, Yuji Yoneyama