Patents by Inventor Mark A. DeRusha

Mark A. DeRusha 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).

  • Self-rolled foam tape without release layer and method of making same
    Patent number: 4484574
    Abstract: A pressure-sensitive tape having a closed-cell polymer foam backing strip and a pressure-sensitive adhesive is disclosed. The tape is formed into a roll so that the adhesive of one layer is in direct physical contact with the foam of the next layer, without the use of release paper or release coatings. The tape may be unwound without significantly disrupting either the adhesive layer or the foam layer. The foam is preferably a closed-cell cross-linked polyethylene copolymer and the adhesive is preferably a hypoallergenic acrylic-based adhesive.
    Type: Grant
    Filed: January 25, 1984
    Date of Patent: November 27, 1984
    Assignee: Keene Corporation
    Inventors: Mark A. DeRusha, Thomas E. Schultz, Stephen W. Luchio