Baxter International Inc.

Baxter Healthcare Sa

Varsha Kalyankar

Gregg Nebgen

Larry A Rosenbaum

Lecon Woo

Sidney T Smith

Michael T K Ling

David V Bacehowski

Ketan N Shah

Yuan-pang Samuel Ding

Angeles Lillian Buan

Steven H Giovanetto

Michael W Scharf

Scott D Edwards

Lillian G Zakarija

Keith M K Anderson

Robert Wojnarowski

Kuo Zong Hong

Teresa L White

Michael T K Lang

Colleen S Cramer

K Z Hong

A polymer blend comprising a high density polyethylene and a surface enhancing polymer is provided. The surface enhancing polymer may be an elastomer such as an ethylene propylene diene monomer terpolymer. The polymer blend may be fabricated into articles such as a film or a flexible overpouch for storing, and transporting medical components. Overpouch films made from the blend advantageously do not wrinkle or deform medical components contained therein when the overpouch&#x2014;medical component combination is autoclaved.

Overpouch film and container and method of making same

The present invention provides a multiple layer thermoplastic structure of a (1) skin layer selected from the group consisting of polypropylene, ethylene homopolymers having a density of from about 0.930 g/cc to about 0.960 g/cc, and ethylene homopolymers having a density of from about 0.930 g/cc to about 0.960 g/cc blended with an ethylene and a-olefin copolymers having a density less than about 0.930 g/cc, the skin layer having a thickness of greater than about 3.0 mils; (2) a radio frequency susceptible layer adhered to the skin layer, the radio frequency susceptible layer having a dielectric loss greater than 0.05 at 1-60 MHz and at temperatures of ambient to 250&deg; C., the radio frequency susceptible layer having: (a) a first polyolefin selected from the group consisting of polypropylene and polypropylene copolymers, (b) a second polyolefin selected from the group consisting of ethylene copolymers, ultra-low density polyethylene, polybutene, and butene ethylene copolymers; (c) a radio frequency susceptible polymer selected from the group consisting of (i) ethylene copolymers having 50-85% ethylene content with comonomers selected from a first group consisting of acrylic acid, methacrylic acid, ester derivatives of acrylic acid with alcohols having 1-10 carbons, ester derivatives of methacrylic acid with alcohols having 1-10 carbons, vinyl acetate, and vinyl alcohol (ii) homopolymers and copolymers containing at least one segment of urethanes, esters, ureas, imides, sulfones, and amides, and (d) a compatibilizing agent of a styrene and hydrocarbon copolymer; wherein the structure when fabricated into a 50 ml container has a water vapor transmission rate of less than 8% by weight after the container has been autoclaved at 121&deg; C. for 20 minutes and stored for 90 days in an environmentally regulated compartment having 15% relative humidity at 40&deg; C.

Multi-layered polymer based moisture barrier structure for medical grade products

A multiple layer structure comprising a skin layer, a barrier layer, a radio frequency susceptible layer having a first polyolefin in an amount within a range of 30-60% by weight, a second polyolefin in an amount within the range of 25-50% by weight, a radio frequency susceptible polymer in an amount within the range of 3-40% by weight, a styrene and hydrocarbon block copolymer in an amount within the range of 5-40% by weight of the sealant layer.

Multilayer, halide free, retortable barrier film

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Round Lake Beach, IL, United States of America

Varsha Kalyankar