Patents by Inventor Wayne Earl Nacker

Wayne Earl Nacker 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).

  • Polymerizable dyes as taggants
    Patent number: 6007744
    Abstract: Liquids, such as petroleum fuels, are tagged with chemical compounds having a light-absorbing identifying chemical moiety and at least one polymerizable chemical moiety. The marker is identified in a specimen of the liquid by polymerizing the marker compound, generally along with additional co-polymerizable material.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: December 28, 1999
    Assignee: Morton International, Inc.
    Inventor: Wayne Earl Nacker