Patents by Inventor Andrew M. Gillanders

Andrew M. Gillanders 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).

  • Liquid coatings for bridge deckings and the like
    Patent number: 4877829
    Abstract: Novel polyurethane formulations especially useful as membranes for the protection of bridge deckings. The polyurethane is prepared by mixing two components, A and B. Component A comprises castor oil, a low molecular weight polyol having a molecular wieght between 92 and about 200, preferably with an elastomer. Component B is a modified MDI, being either (i) a mix of 4,4'- and 2,4'-isomers of diphenylmethane diisocyanate or (ii) a diphenylmethane diisocyanate and its reaction product with a low molecular weight poly(oxyalkylene).
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: October 31, 1989
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Cung Vu, Timothy J. Martin, Andrew M. Gillanders, Bassam Sbaiti