Patents by Inventor Synji Sato

Synji Sato 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).

  • Foundry mold composition and process for producing foundry mold
    Patent number: 4163000
    Abstract: A foundry mold composition comprising a foundry mold sand, a binder in an amount sufficient to bind the sand and less than 1 part by weight, per 100 parts by weight of the sand, of clay, said binder being an aqueous solution of a water-soluble maleic acid-type copolymer in an amount of at least 1 part by weight per 100 parts by weight of the sand, and a process for producing a foundry mold, using aforesaid composition.
    Type: Grant
    Filed: December 1, 1977
    Date of Patent: July 31, 1979
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Jiro Kashima, Synji Sato