Patents Assigned to Permacel
  • Aqueous release coating compositions
    Patent number: 4299741
    Abstract: Aqueous release backsize compositions are provided which when applied to films provide easy unwind properties without adversely affecting the adhesive properties of pressure-sensitive tapes.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: November 10, 1981
    Assignee: Permacel
    Inventor: Donald F. Doehnert
  • Adhesive compositions
    Patent number: 4294936
    Abstract: Pressure-sensitive adhesive compositions having solvent resistant properties comprising (a) a synthetic rubbery thermoplastic block-copolymer, (b) a polyester and (c) a tackifier resin.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: October 13, 1981
    Assignee: Permacel
    Inventor: Ralf Korpman