Patents by Inventor Karen M. Biddick

Karen M. Biddick 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).

  • Ultrathin chemically resistant marking system and method of producing therefor
    Patent number: 4584238
    Abstract: There is disclosed an ultrathin chemically resistant marking system. The system comprises at least one layer of a chemically resistant adhesive film and printed matter which together cooperate to form a marker. The adhesive film is made of a material selected from the group of polymers which adhere to a substrate upon the application of heat and which are resistant to caustic solutions and solvents, such as methylene chloride. The adhesive film has a chemically resistant front and rear surface and an adhesive rear surface for adhering to a substrate. One of the front or rear surfaces contains the printed matter. There is also disclosed a method for producing an ultrathin chemically resistant marking system.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: April 22, 1986
    Assignee: Raychem Corporation
    Inventors: Tamar G. Gen, Karen M. Biddick, Erling Hansen