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    • 2. 发明申请
    • CLIP FOR A PIPE OR DUCT
    • 用于管道或导管的夹子
    • WO2011060227A3
    • 2011-05-19
    • PCT/US2010/056464
    • 2010-11-12
    • E. I. DU PONT DE NEMOURS AND COMPANYRENAUD, Michel, C.
    • RENAUD, Michel, C.
    • F16L33/02F16L33/025F16B2/08F16B5/06
    • A clip (6) of molded plastics material for fitting on a pipe or duct, in particular a blow-molded automotive fluid duct, comprises an open ring of generally C-shape having facing arms (20) that are curved and with open ends that can be sprung apart and together again to resiliently fit the clip on the pipe or duct. The facing arms (20) have profiled inner surfaces that engage with complementary profiles carried by the pipe or duct, namely the facing arms (20) have a substantially T-shaped profile (23/24), that fits between pairs of complementary spaced-apart arcuate ribs and recess carried by the pipe or duct. The clip (6) is easy to fit and remove while providing firm holding power and good pull-out strength.
    • 用于装配在管道或管道上,特别是吹塑成型的汽车流体管道上的模制塑料材料的夹子(6)包括大致为C形的具有面向臂(20)的开放环, 它们是弯曲的并且具有开口端,可以分开并且再次一起弹性地将夹子安装在管道或导管上。 面对的臂(20)具有成型的内表面,所述内表面与由管道或导管承载的互补型材接合,即面向臂(20)具有大致T形轮廓(23/24) 分开的弧形肋和凹槽由管道或导管承载。 夹子(6)易于安装和拆卸,同时提供牢固的握力和良好的拔出强度。
    • 10. 发明申请
    • PROCESS FOR PRODUCTION OF 3,4-DICHLOROBUTENE-1
    • 生产3,4-二氯丁烯-1的方法
    • WO2011084209A2
    • 2011-07-14
    • PCT/US2010/054011
    • 2010-10-26
    • DUPONT PERFORMANCE ELASTOMERS L.L.C.REIMERS, Jay
    • REIMERS, Jay
    • C07C17/358C07C21/09B01J31/16
    • B01J31/04B01J2231/52B01J2531/842C07C17/358C07C21/09
    • 3,4-Dichlorobutene-1 is produced by a process comprising the step of contacting 1,4-dichlorobutene-2 with either 1) a ferric carboxylate catalyst of the formula (I) where R is an alkyl or alkenyl group of 4-18 carbon atoms, a cycloalkyl or cycloalkenyl group of 6-18 carbon atoms or an aryl group selected from phenyl, benzyl, xylyl, tolyl, and naphthyl groups, whereby a portion of the 1,4-dichlorobutene-2 is isomerized to form 3,4-dichlorobutene-1, or 2) a ferric carboxylate catalyst of the formula (II) where R, R' and R'' are independently alkyl or alkenyl groups of 4-18 carbon atoms, cycloalkyl or cycloalkenyl groups of 6-18 carbon atoms or aryl groups selected from phenyl, benzyl, xylyl, tolyl, and naphthyl groups, the sum of m, n and o is 3 and m, n and o are independently 0, 1 or 2, whereby a portion of the 1,4-dichlorobutene-2 is isomerized to form 3,4-dichlorobutene-1.
    • 通过包括使1,4-二氯丁烯-2与1)式(I)的羧酸铁催化剂接触的步骤的方法生产3,4-二氯丁烯-1,其中R是 具有4-18个碳原子的烷基或烯基,具有6-18个碳原子的环烷基或环烯基或选自苯基,苄基,二甲苯基,甲苯基和萘基的芳基,由此一部分1,4-二氯丁烯 -2异构化形成3,4-二氯丁烯-1,或2)式(II)的羧酸铁催化剂,其中R,R'和R“独立地为4-18个碳原子的烷基或烯基,环烷基 或6-18个碳原子的环烯基或选自苯基,苄基,二甲苯基,甲苯基和萘基的芳基,m,n和o的总和为3,m,n和o独立地为0,1或2, 由此一部分1,4-二氯丁烯-2异构化形成3,4-二氯丁烯-1。