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    APPARATUS AND METHOD FOR HEAT-SETTING CARPET YARNS WITH HOT ATMOSPHERIC AIR
    373.
    发明公开
    APPARATUS AND METHOD FOR HEAT-SETTING CARPET YARNS WITH HOT ATMOSPHERIC AIR 审中-公开
    DEVICE AND METHOD FOR热风大气F​​IXING热地毯纱

    公开(公告)号：EP1733083A1

    公开(公告)日：2006-12-20

    申请号：EP05732446.9

    申请日：2005-04-04

    Applicant: INVISTA Technologies S.à.r.l.

    Inventor： TUNG, Wae-Hai ,  RITTENHOUSE, Ronnie

    IPC: D02J13/00 ,  D06C7/02 ,  D06B3/04 ,  F26B13/00

    CPC classification number: D02J13/00

    Abstract: An apparatus and method for texture heat-setting bulk continuous filament (BCF) yarns in hot air heat-setting machines that includes a preheating device/step that in the processing of BCF yarns. The apparatus and method use a mixture of steam and atmospheric air to preheat a twisted BCF yarn bundle to develop crimp memory and provide cohesion to the twisted BCF yarn bundle. Yarn bundle cohesion during texture heat-setting helps to avoid frequent breaks at the winder of the hot air heat-setting machine. The addition of the preheating device/step significantly improves the ability of hot air heat-setting machines to maintain continuous operation during texture setting of BCF yarns and makes the hot air heat-setting method commercially viable for this application.

    AMINONITRILE PRODUCTION
    374.
    发明授权
    AMINONITRILE PRODUCTION 有权
    制造氨基腈

    公开(公告)号：EP1434757B1

    公开(公告)日：2006-12-20

    申请号：EP02778606.0

    申请日：2002-10-02

    Applicant: INVISTA Technologies S.à.r.l.

    Inventor： IONKIN, Alex, Sergey

    IPC: C07C253/30

    CPC classification number: C07C253/30 ,  C07C255/24

    Abstract: Provided is a selective hydrogenation process for pro-ducing aminonitriles by contacting the corresponding dini-triles with a hydrogen-containing fluid in the presence of a hydrogenation catalyst, a solvent and a quaternary ammonium cyanate additive.

    Method and apparatus for circular knitting with elastomeric yarn that compensate for yarn package relaxation
    377.
    发明公开
    Method and apparatus for circular knitting with elastomeric yarn that compensate for yarn package relaxation 有权
    Verfahren und Vorrichtung zum Rundstricken eines Elastomergarns mit Kompensierung derGarnkörperrelaxation

    公开(公告)号：EP1715091A1

    公开(公告)日：2006-10-25

    申请号：EP06252087.9

    申请日：2006-04-18

    Applicant: INVISTA Technologies S.à.r.l.

    Inventor： Snijders, Jacobus-Michiel-Hubertus

    IPC: D04B15/50

    CPC classification number: D04B15/50

    Abstract: When elastomeric yarns (36) are unwound and fed to the needles (18) of a circular knitting apparatus, a yarn package (24) relaxation profile is set, or determined, with corresponding adjustments made to the unwinding speed (V) based on such package relaxation profile. Variably compensating for a varying package relaxation while knitting results in more uniform properties in a circular knit fabric and improved elastomeric yarn yield.

    Abstract translation: 当弹性纱线（36）展开并送入圆编织装置的针头（18）时，纱线卷装（24）松弛轮廓被设定或确定，并基于这样的方式对退绕速度（V）进行相应的调整 包放松简介。 在编织时可变地补偿变化的包装松弛导致圆形针织织物中的更均匀的性能和改进的弹性纱线产量。

    PROCESS FOR MAKING A SOLUTION OF PERFLUOROSULFONATED ION EXCHANGE POLYMERS
    379.
    发明公开
    PROCESS FOR MAKING A SOLUTION OF PERFLUOROSULFONATED ION EXCHANGE POLYMERS 有权
    用于生产求解方法perfluorosulfonated的离子交换聚合物

    公开(公告)号：EP1706444A1

    公开(公告)日：2006-10-04

    申请号：EP04811692.5

    申请日：2004-11-19

    Applicant: INVISTA Technologies S.à.r.l.

    Inventor： SUN, Qun

    IPC: C08J3/00 ,  C08J5/20

    CPC classification number: C08J5/225 ,  C08J2327/12

    Abstract: A process for making a solution of perfluorosulfonated ion exchange polymer is disclosed. The process involves heating a slurry containing a perfluorosulfonated ion exchange polymer resin, an organic ether compound and water in a mechanically agitated pressurized vessel to an elevated temperature, so as to totally dissolve the resin in the solution. The perfluorosulfonated ion exchange polymer solution is recovered, and the water and the organic ether compound are removed from the solution. A perfluorosulfonated ion exchange polymer resin remains, which can be coated onto a fabric, or converted into a film which can be laminated onto a fabric. The resulting fabric forms the basis for a chemical and/or biological agent barrier for use in certain types of apparel.

    STRETCH SLIPCOVERS
    380.
    发明授权
    STRETCH SLIPCOVERS 有权
    拉伸COVERS

    公开(公告)号：EP1450649B1

    公开(公告)日：2006-09-13

    申请号：EP02804505.2

    申请日：2002-12-04

    Applicant: INVISTA Technologies S.à.r.l.

    Inventor： CHAMBERS, Jeffrey, A. ,  GORCYCA, John ,  HIETPAS, Geoffrey, D.

    IPC: A47C31/10

    CPC classification number: A47C31/11 ,  Y10T442/3008

    Abstract: The invention provides upholstery stretch slipcovers (20, 30) comprising a fabric having sufficient elastic recovery force that the cover requires no additional fabric having greater elastic recovery force than said first fabric to hold the stretch cover in place and to maintain the substantial absence of surface wrinkles in normal use. The stretch slipcovers (20, 30) are particularly useful for chairs having separate back and seat cushions. The invention further provides a method for replacably upholstering a resilient cushion.

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