Method for producing linear pentenenitrile
    71.
    发明授权
    Method for producing linear pentenenitrile 有权
    线性戊烯腈的制备方法

    公开(公告)号:US08410299B2

    公开(公告)日:2013-04-02

    申请号:US13361783

    申请日:2012-01-30

    IPC分类号: C07C253/30

    摘要: A method for producing 3-pentenenitrile is provided that includes: (a) isomerizing an educt stream containing 2-methyl-3-butenenitrile on at least one dissolved or dispersed isomerization catalyst to form a stream (1), which contains the isomerization catalyst(s), 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile; (b) distilling the stream (1) to obtain a stream (2) as the overhead product, which contains 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile and a stream (3) as the bottom product, which contains the isomerization catalyst(s); (c) distilling the stream (2) to obtain a stream (4) as the overhead product, which is enriched with (Z)-2-methyl-2-butenenitrile in comparison to stream (2), and a stream (5) as the bottom product, which is enriched with 3-pentenenitrile and 2-methyl-3-butenenitrile in comparison to stream (2); (d) distilling stream (5) to obtain a stream (6) as the bottom product, which contains 3-pentenenitrile and a stream (7) as the head product containing 2-methyl-3-butenenitrile.

    摘要翻译: 提供了一种制备3-戊烯腈的方法,其包括:(a)在至少一种溶解或分散的异构化催化剂上使含有2-甲基-3-丁烯腈的流出物异构化以形成含有异构化催化剂( s),2-甲基-3-丁烯腈,3-戊烯腈和(Z)-2-甲基-2-丁烯腈; (b)蒸馏物流(1)以获得作为塔顶产物的物流(2),其含有2-甲基-3-丁烯腈,3-戊烯腈和(Z)-2-甲基-2-丁烯腈和流( 3)作为含有异构化催化剂的底部产物; (c)与料流(2)相比,蒸馏物流(2)以获得作为塔顶产物的物流(4),其与(2)相比富含(Z)-2-甲基-2-丁烯腈, 作为与料流(2)相比富含3-戊烯腈和2-甲基-3-丁烯腈的底部产物; (d)蒸馏物流(5),得到作为底物的物流(6),其含有3-戊烯腈和作为含有2-甲基-3-丁烯腈的头部产物的物流(7)。

    Airbag arrangement for a motor vehicle
    77.
    发明授权
    Airbag arrangement for a motor vehicle 失效
    汽车安全气囊安排

    公开(公告)号:US07398993B2

    公开(公告)日:2008-07-15

    申请号:US11535143

    申请日:2006-09-26

    申请人: Wolfgang Siegel

    发明人: Wolfgang Siegel

    IPC分类号: B60R21/21 B60R21/213

    摘要: An airbag can include a covering that surrounds an interior space that can be filled with gas, a gas-conducting pipe which is stretched longitudinally along a direction of extent, and a contact region of the covering that surrounds the inflow opening and encloses the gas-conducting pipe in a sealing manner along a circumferential direction of the gas-conducting pipe that encircles the direction of extent. A protective layer of the covering can be arranged, at least in some sections in the interior space of the covering, with respect to the gas-conducting pipe so that damage to the covering during filling of the interior space of the covering with hot gas can be prevented by the protective layer. At least one fastening region of the protective layer, via which the protective layer can be connected to the covering, can be connected to the contact region of the covering.

    摘要翻译: 安全气囊可以包括围绕可填充有气体的内部空间的覆盖物,沿着方向纵向拉伸的导气管和围绕流入开口的覆盖物的接触区域, 沿导气管的圆周方向以密封方式导管,该导气管围绕该方向。 覆盖物的保护层至少在覆盖物的内部空间的一些部分中相对于导气管布置,使得在用热气体填充覆盖物的内部空间期间对覆盖物的损坏可以 被保护层防止。 保护层的至少一个固定区域,保护层可以通过该紧固区域连接到覆盖物上,可以连接到覆盖物的接触区域。