Patent ID: 9044923
Filing Date: 2015-06-02
Classification: B32B,C08J,Y10T

Abstract:
1. A sterilized, co-extruded, multi-layer film for use in sterile chemical, biological, biomedical or biopharma applications having a polyvinylidene fluoride (PVDF) homopolymer or copolymer layer in contact with a biological or biopharma fluid or gas, and wherein said film has undergone sterilization by exposure to steam, radio frequency radiation, or gamma radiation, wherein said film is a barrier for said biological or biopharma fluid or gas, and wherein said co-extruded multi-layer film is a multilayer film consisting of one layer of a polyvinylidene fluoride homopolymer and one layer of a polyvinylidene fluoride copolymer wherein said PVDF copolymer comprises greater than 70 weight percent of vinylidene fluoride monomer units.