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    MULTI-LAYERED POLYMER BASED MOISTURE BARRIER STRUCTURE FOR MEDICAL GRADE PRODUCTS
    61.
    发明专利
    MULTI-LAYERED POLYMER BASED MOISTURE BARRIER STRUCTURE FOR MEDICAL GRADE PRODUCTS 未知

    公开(公告)号：CA2395063C

    公开(公告)日：2010-06-08

    申请号：CA2395063

    申请日：2001-02-07

    Applicant: BAXTER INT

    Inventor： LING MICHAEL T K ,  WOO LECON ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  NEBGEN GREGG ,  DING YUAN-PANG SAMUEL ,  KALYANKAR VARSHA ,  ANDERSON KEITH M K ,  ZAKARIJA LILLIAN G ,  CRAMER COLLEEN S ,  SCHARF MICHAEL ,  ROSENBAUM LARRY A

    IPC: A61L31/00 ,  B32B27/08 ,  B32B27/32 ,  C08L23/08 ,  C08L23/10 ,  C08L25/04 ,  C08L53/00 ,  C08L53/02

    Abstract: 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 c/cc blended with an ethylene and .alpha.-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~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~C for 20 minutes and stored for 90 days in an environmentally regulated compartment having 15 % relative humidity at 40~C.

    62.
    发明专利
    未知

    公开(公告)号：DE60129208T2

    公开(公告)日：2008-03-06

    申请号：DE60129208

    申请日：2001-02-07

    Applicant: BAXTER INT

    Inventor： LING MICHAEL T ,  WOO LECON ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  NEBGEN GREGG ,  DING YUAN-PANG SAMUEL ,  KALYANKAR VARSHA ,  ANDERSON KEITH M ,  ZAKARIJA LILLIAN G ,  CRAMER COLLEEN S ,  SCHARF MICHAEL ,  ROSENBAUM LARRY A

    IPC: A61L31/00 ,  B32B27/32 ,  B32B27/08 ,  C08L23/08 ,  C08L23/10 ,  C08L25/04 ,  C08L53/00 ,  C08L53/02

    Abstract: 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° 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° C. for 20 minutes and stored for 90 days in an environmentally regulated compartment having 15% relative humidity at 40° C.

    ESTRUCTURA MULTICAPA DE BARRERA CONTRA LA HUMEDAD A BASE DE POLIMEROS PARA PRODUCTOS DE CALIDAD MEDICA.
    63.
    发明专利
    ESTRUCTURA MULTICAPA DE BARRERA CONTRA LA HUMEDAD A BASE DE POLIMEROS PARA PRODUCTOS DE CALIDAD MEDICA. 未知

    公开(公告)号：ES2288927T3

    公开(公告)日：2008-02-01

    申请号：ES01908946

    申请日：2001-02-07

    Applicant: BAXTER INT

    Inventor： LING MICHAEL T K ,  WOO LECON ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  NEBGEN GREGG ,  DING YUAN-PANG SAMUEL

    IPC: A61L31/00 ,  B32B27/32 ,  B32B27/08 ,  C08L23/08 ,  C08L23/10 ,  C08L25/04 ,  C08L53/00 ,  C08L53/02

    Abstract: Estructura termoplástica multicapa que comprende: (1) una capa de película seleccionada de entre el grupo compuesto por polipropileno, homopolímeros de etileno con una densidad de 0, 930 g/cm3 a 0, 960 g/cm3 y homopolímeros de etileno con una densidad de 0, 930 g/cm3 a 0, 960 g/cm3 combinados con un copolímero de etileno y a-olefina con una densidad inferior a 0, 930 g/cm3, teniendo la capa de película un espesor superior a 0, 0762 mm (3, 0 milipulgadas); (2) una capa sensible a la radiofrecuencia adherida directamente a la capa de película, teniendo la capa sensible a la radiofrecuencia una pérdida dieléctrica superior a 0, 05 a 1-60 MHz y a temperaturas desde temperatura ambiente hasta 250ºC, teniendo la capa sensible a la radiofrecuencia: (a) una primera poliolefina seleccionada de entre el grupo compuesto por polipropileno y copolímeros de polipropileno; (b) una segunda poliolefina seleccionada de entre el grupo compuesto por copolímeros de etileno, polietileno de densidad ultra baja, polibuteno y copolímeros de etileno-buteno; (c) un polímero sensible a la radiofrecuencia seleccionado de entre el grupo compuesto por (i) copolímeros de etileno con un contenido en etileno del 50-85% con comonómeros seleccionados de entre un primer grupo consistente en ácido acrílico, ácido metacrílico, derivados éster de ácido acrílico con alcoholes de 1-10 carbonos, derivados éster de ácido metacrílico con alcoholes de 1-10 carbonos, acetato de vinilo y alcohol vinílico; (ii) homopolímeros y copolímeros que contienen al menos un segmento uretano, éster, urea, imida, sulfona y amida; y (d) un agente compatibilizante de un copolímero de estireno e hidrocarburo; caracterizada porque la estructura, cuando está fabricada en forma de recipiente de 50 ml, tiene una velocidad de transmisión de vapor de agua inferior al 8% en peso después de que el recipiente haya sido sometido a tratamiento en autoclave a 121ºC durante 20 minutos y haya sido almacenado durante 90 días en un compartimento ambientalmente regulado a un 15% de humedad relativa a 40ºC.

    65.
    发明专利
    未知

    公开(公告)号：DE60129208D1

    公开(公告)日：2007-08-16

    申请号：DE60129208

    申请日：2001-02-07

    Applicant: BAXTER INT

    Inventor： LING MICHAEL T ,  WOO LECON ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  NEBGEN GREGG ,  DING YUAN-PANG SAMUEL ,  KALYANKAR VARSHA ,  ANDERSON KEITH M ,  ZAKARIJA LILLIAN G ,  CRAMER COLLEEN S ,  SCHARF MICHAEL ,  ROSENBAUM LARRY A

    IPC: A61L31/00 ,  B32B27/32 ,  B32B27/08 ,  C08L23/08 ,  C08L23/10 ,  C08L25/04 ,  C08L53/00 ,  C08L53/02

    Abstract: 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° 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° C. for 20 minutes and stored for 90 days in an environmentally regulated compartment having 15% relative humidity at 40° C.

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