Patents by Inventor James Alan Hamilton

James Alan Hamilton 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).

  • Open celled cellular polyurethane products
    Patent number: 6001890
    Abstract: Process for making open celled (semi-) rigid polyurethane foams using as cell opening agent a fatty acid or a fatty acid amine or a fatty acid amide or a fatty acid ester.
    Type: Grant
    Filed: April 27, 1998
    Date of Patent: December 14, 1999
    Assignee: Imperial Chemical Industries PLC
    Inventor: James Alan Hamilton