Patents by Inventor Bong J. Chai

Bong J. Chai 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 preparing phosphonates from nitriles
    Patent number: 4239695
    Abstract: Amino-phosphonates typified by the general formula R--C(PO(OH).sub.2).sub.2 NH.sub.2 are prepared by reacting phosphorous acid with nitriles at elevated temperatures.
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: December 16, 1980
    Assignee: Magna Corporation
    Inventors: Bong J. Chai, Fred D. Muggee