Patents by Inventor Karen C. Long

Karen C. Long 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).

  • Novel adhesives
    Patent number: 4797322
    Abstract: Novel adhesives comprising an elastomer composition comprising (1) at least 30 percent by weight of a triblock terpolymer elastomer having polystyrene end blocks and rubber poly(ethylene-butylene) midblocks; (2) at least 10 percent by weight of a diblock copolymer elastomer of styrene and ethylenebutylene; and (3) at least 30 percent by weight of non-liquid polyisobutylene, e.g. having a molecular weight of at least 800,000, or a copolymer containing at least 95% by weight of isobutylene; said adhesive composition further containing at least one tackifying resin in an amount sufficient to provide the desired balance of adhesive properties, e.g. tack; and adhesive tapes including same.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: January 10, 1989
    Assignee: The Kendall Company
    Inventors: Elwyn Huddleston, Karen C. Long