Patent ID: 6465067
Filing Date: 2002-10-15
Classification: A61L,A61M,C08K,C08L,Y10T

Abstract:
An article prepared by radial expansion of a hollow parison of a polymer composition at elevated temperature and pressure, wherein the polymer composition comprises a polymer material and 0.01-5.0% by weight of said polymer composition of boric acid, and wherein said polymer material is a member selected from the group consisting ofa) poly(butylene terephthalate) homopolymer, b) random polyester copolymers-having above 80% butylene terephthalate repeat units, c) block copolymers comprising about 60% or more by weight of poly(butylene terephthalate), d) mixtures of at least two of a), b) and/or c); and e) mixtures of one or more of a), b) and/or c) with no more than 10% by weight of another polymer.