Patent ID: 6579583
Filing Date: 2003-06-17
Classification: A61J,B29C,B29L,B32B,C08L,Y10T

Abstract:
A flexible plastic formulation for fabricating a platelet container and which is suitable for contact with platelets without contaminating said platelets, the formulation further being capable of being extruded, blow-molded, and radiation sterilized, which comprises:a) from about 78 to about 82 percent by weight of a copolymer consisting essentially of ethylene and vinyl acetate units wherein the copolymer includes from about 25 to about 30 percent by weight vinyl acetate units; b) from about 14 to about 18 percent by weight of a block copolymer, the block copolymer consisting essentially of a central block copolymer molecule including ethylene and butylene units in about a 1:1 ratio, and terminal blocks of polystyrene wherein the block copolymer molecule includes from about 50 to about 85 percent by weight of the central block copolymer molecule; and c) from about 4 to about 6 percent by weight of an ultra-low density polyethylene material, d) the formulation being free of stabilizers and plasticizers.