Patents by Inventor Timothy Allen Tufts

Timothy Allen Tufts 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).

  • Imine-containing curative for two component polyurethane structural adhesives
    Patent number: 5955199
    Abstract: This invention is the addition of an polyaldimine or polyketimine to the curative component of a two part polyurethane structural adhesive for bonding car, boat and truck parts.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: September 21, 1999
    Assignee: Ashland Inc.
    Inventors: Randy Allen Johnson, Timothy Allen Tufts