Patents Assigned to Dupont Teijin Films US Limited Partner
  • Polymeric film
    Patent number: 6270888
    Abstract: A polymeric film comprising a polyester film substrate comprising 0.1% to 10% by weight, relative to the weight of the polyester, of at least one UV absorber, and a heat sealable layer, wherein the substrate is a multilayer film having an outer substrate layer and an inner substrate layer, the inner substrate layer comprising 1% to 40% by weight of UV absorber, relative to the amount of UV absorber present in the outer substrate layer. The film is particularly suitable for use as a protective layer on a metal sheet.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: August 7, 2001
    Assignee: Dupont Teijin Films US Limited Partner
    Inventors: Philip Mark Rutter, Allan Lovatt