Patents by Inventor Francis C. Grant-Acquah

Francis C. Grant-Acquah 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).

  • Patent number: 4376089
    Abstract: A binder system is disclosed which incorporates an internal release agent and comprises a mixture of polyisocyanate resin, furfural and an ester of phosphoric acid. In the process of the invention the ester of phosphoric acid is placed into solution with furfural and subsequently blended with the polyisocyanate. Increased stability of the binder system is observed as well as providing for increased mold releasing capabilities.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: March 8, 1983
    Assignee: The Quaker Oats Company
    Inventors: Ben R. Bogner, Francis C. Grant-Acquah