Patents Represented by Attorney Sun Lee Lehmann

Find this attorney in the Justia Lawyer Directory

  • Acrylic hot melt adhesives
    Patent number: 7829606
    Abstract: High durable polarized film comprising a radiation curable PSA layer for lamination in TFT/LCD applications have high humidity and heat resistance. In one embodiment, the adhesive comprises a UV curable acrylic polymer, a compatible tackifier, a multifunction unsaturated oligomer, and a long chain alkyl acrylate monomer.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: November 9, 2010
    Assignee: Henkel AG & Co. KGaA
    Inventors: Ming Chang Lu, Peter D. Palasz
  • Dual cure adhesives
    Patent number: 7687551
    Abstract: Adhesive compositions useful for laminating cellulosic substrates are formulated using an aqueous emulsion of a vinyl ester polymer such as polyvinyl acetate, one or more monomers or oligomers functionalized with (meth)acrylate groups, and a photoinitiator. The adhesive is cured by drying and exposing the adhesive to UV or visible light and is particularly useful for attaching clear films to cellulosic substrates such as paper and boxboard (e.g., in the manufacture of envelopes or folding cartons having windows).
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: March 30, 2010
    Assignee: Henkel Corporation
    Inventors: Alexander P. Mgaya, Balasubramaniam Ramalingam