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    12.
    发明专利
    未知

    公开(公告)号：DE69921396T2

    公开(公告)日：2005-11-10

    申请号：DE69921396

    申请日：1999-01-25

    Applicant: BAXTER INT

    Inventor： WOO LECON ,  LING T ,  BALTEAU PATRICK ,  LO YING-CHENG ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  HENAUT J ,  DING SAMUEL ,  WESTPHAL STANLEY

    IPC: A61L2/06 ,  A61L29/00 ,  A61L29/04

    Abstract: A steam sterilizable monolayer medical tubing comprising a blend of a melt strength enhancing agent of a homopolymer or copolymer of polypropylene having free-end long chain branches of propylene units, a melt flow index of greater than 10 and in an amount of 1-10% by weight and a second component selected from the group of (i) a selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene and (ii) a selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene to which has been grafted, an alpha, beta-olenfically unsaturated monocarboxylic or dicarboxylic acid reagent.

    Multi-layered polymer based moisture barrier structure for medical grade products
    13.
    发明专利
    Multi-layered polymer based moisture barrier structure for medical grade products 未知

    公开(公告)号：AU769848B2

    公开(公告)日：2004-02-05

    申请号：AU3675601

    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 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.

    15.
    发明专利
    未知

    公开(公告)号：ID23379A

    公开(公告)日：2000-04-20

    申请号：ID991104

    申请日：1999-01-25

    Applicant: BAXTER INT

    Inventor： WOO LECON ,  LING MICHAEL T K ,  BALTEAU PATRICK ,  YING-CHENG LO ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  HENAUT ERIC J ,  DING SAMUEL ,  WESTPHAL STANLEY

    IPC: A61L2/06 ,  A61L29/00 ,  A61L29/04

    Abstract: A steam sterilizable monolayer medical tubing comprising a blend of a melt strength enhancing agent of a homopolymer or copolymer of polypropylene having free-end long chain branches of propylene units, a melt flow index of greater than 10 and in an amount of 1-10% by weight and a second component selected from the group of (i) a selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene and (ii) a selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene to which has been grafted, an alpha, beta-olenfically unsaturated monocarboxylic or dicarboxylic acid reagent.

    16.
    发明专利
    未知

    公开(公告)号：DE69921396D1

    公开(公告)日：2004-12-02

    申请号：DE69921396

    申请日：1999-01-25

    Applicant: BAXTER INT

    Inventor： WOO LECON ,  LING T ,  BALTEAU PATRICK ,  LO YING-CHENG ,  WOJNAROWSKI ROBERT ,  SHAH KETAN ,  HENAUT J ,  DING SAMUEL ,  WESTPHAL STANLEY

    IPC: A61L2/06 ,  A61L29/00 ,  A61L29/04

    Abstract: A steam sterilizable monolayer medical tubing comprising a blend of a melt strength enhancing agent of a homopolymer or copolymer of polypropylene having free-end long chain branches of propylene units, a melt flow index of greater than 10 and in an amount of 1-10% by weight and a second component selected from the group of (i) a selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene and (ii) a selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene to which has been grafted, an alpha, beta-olenfically unsaturated monocarboxylic or dicarboxylic acid reagent.

    Multi-layered polymer based moisture barrier structure for medical grade products
    17.
    发明专利
    Multi-layered polymer based moisture barrier structure for medical grade products 未知

    公开(公告)号：HK1053442A1

    公开(公告)日：2003-10-24

    申请号：HK03105726

    申请日：2003-08-11

    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 ,  B32B20060101 ,  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 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.

    MULTI-LAYERED POLYMER BASED MOISTURE BARRIER STRUCTURE FOR MEDICAL GRADE PRODUCTS
    20.
    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.

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