Patents by Inventor Gerald G. Grzywinski

Gerald G. Grzywinski 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).

  • Patent number: 4288480
    Abstract: Disclosed is an improved pressure-sensitive adhesive composition comprising an unvulcanized elastomer component comprising at least one block copolymer of styrene and either isoprene or butadiene with a polystyrene block on at least one end of the block copolymer, a tackifying resin component compatible with the elastomer component, a plasticizer component, and a modifier component of unvulcanized cis-1,4-polybutadiene. Also disclosed is the pressure-sensitive adhesive structure comprising a web of material, such as paper, upon which is coated a layer of the above-described composition.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: September 8, 1981
    Assignee: Scott Paper Company
    Inventors: Gerald G. Grzywinski, Edward J. Foley