Patents by Inventor Jack Lulla

Jack Lulla 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: 5322709
    Abstract: In the production of a pressure sensitive adhesive tape comprising the steps of compounding and applying a hot melt adhesive composition to a tape backing, and allowing the hot melt adhesive to cool and thereby solidify to a pressure sensitive adhesive coating on said tape, the improvement which comprises incorporating into the hot melt adhesive composition a blowing agent which does not decompose under the conditions of compounding and application of the hot melt adhesive composition, and thereafter decomposing the blowing agent, thereby to impart to the hot melt coating a cellular structure.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: June 21, 1994
    Assignee: Tesa Tuck, Inc.
    Inventors: Jack Lulla, Nilufer Tanrikulu