Patents by Inventor Keinichi Hashiudo

Keinichi Hashiudo 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).

  • Corrosion-inhibiting plastic films
    Patent number: 4124549
    Abstract: An extruding and molding material suitable for the production of packaging materials for the protection of metal articles against corrosion is obtained by admixing a thermoplastic resin with an organic monoamine and an acid. The organic monoamine and the acid react to form a volatile corrosion inhibitor at the high temperature encountered in the extruding and molding process.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: November 7, 1978
    Assignee: Aicello Chemical Co., Ltd.
    Inventors: Keinichi Hashiudo, Kanji Imanishi