Process for preparing methylenedi(phenyl isocyanate)
    3.
    发明授权
    Process for preparing methylenedi(phenyl isocyanate) 有权
    亚甲基二(异氰酸苯酯)

    公开(公告)号:US08907124B2

    公开(公告)日:2014-12-09

    申请号:US13299039

    申请日:2011-11-17

    摘要: The invention relates to a process for preparing methylenedi(phenyl isocyanate), which comprises (a) the phosgenation of two-ring and/or multiring methylenedi(phenylamine), (b) the fractionation of the crude methylenedi(phenyl isocyanate) obtained to give two-ring and multiring isomers, (c) the purification and/or fractionation of the resulting mixture of two-ring isomers of methylenedi(phenyl isocyanate) and (d) the storage of the mixtures obtained in step (c) or in step (b), wherein part of the stored mixtures is reused by means of recirculation in at least one of steps (b) or (c).

    摘要翻译: 本发明涉及一种制备亚甲基二(苯基异氰酸酯)的方法,其包括(a)双环和/或多种亚甲基二苯胺(苯胺)的光气化,(b)将得到的粗亚甲基二(苯基异氰酸酯) (c)纯化和/或分馏得到的亚甲基二异氰酸酯(苯基异氰酸酯)的双环异构体的混合物和(d)在步骤(c)或步骤(c)中获得的混合物的储存 b),其中部分储存的混合物通过在步骤(b)或(c)中的至少一个中的循环再利用。

    Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
    6.
    发明授权
    Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate 有权
    纯化包含4,4'-亚甲基二苯基二异氰酸酯的混合物的方法

    公开(公告)号:US09505711B2

    公开(公告)日:2016-11-29

    申请号:US13296665

    申请日:2011-11-15

    IPC分类号: C07C249/00 C07C263/20

    CPC分类号: C07C263/20 C07C265/14

    摘要: The invention relates to a method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate, which comprises purifying by distillation a mixture I comprising 4,4′-methylenediphenyl diisocyanate having a hydrolyzable chlorine content as specified in ASTM D4663-10 of greater than 100 ppm by means of a column K1, wherein the gaseous stream comprising the mixture I is brought into contact in the column K1 with at least one liquid compound A which has the same or higher boiling point than 4,4′-methylenediphenyl diisocyanate and which has a hydrolyzable chlorine content as specified in ASTM D4663-10 of a maximum of 100 ppm, and wherein the gaseous stream O obtained at the top of the column comprises 4,4′-methylenediphenyl diisocyanate has a hydrolyzable chlorine content as specified in ASTM D4663-10 of a maximum of 100 ppm.

    摘要翻译: 本发明涉及一种用于纯化包含4,4'-亚甲基二苯基二异氰酸酯的混合物的方法,其包括通过蒸馏纯化包含具有大于100的ASTM D4663-10中规定的可水解氯含量的4,4'-亚甲基二苯基二异氰酸酯的混合物I 通过柱K1,其中包含混合物I的气流在柱K1中与至少一种液体化合物A接触,该液体化合物A具有与4,4'-亚甲基二苯基二异氰酸酯相同或更高的沸点, ASTM D4663-10中规定的可水解氯含量最高为100ppm,其中在塔顶获得的气流O包含4,4'-亚甲基二苯基二异氰酸酯,其具有如ASTM D4663- 10最大为100 ppm。

    Implantable Chamber, Imaging Method and Magnetic Resonance Imaging System
    8.
    发明申请
    Implantable Chamber, Imaging Method and Magnetic Resonance Imaging System 审中-公开
    植入室,成像方法和磁共振成像系统

    公开(公告)号:US20080139927A1

    公开(公告)日:2008-06-12

    申请号:US11794911

    申请日:2006-01-10

    IPC分类号: A61B5/055

    摘要: The present invention relates to an implantable chamber (1) with a connecting element (2), comprising a connecting sleeve (6) and a surrounding contact surface (7), an insert element (3), comprising an insert sleeve (8) and a surrounding abutment surface (9). The insert sleeve (8) is inserted into the connecting sleeve (6) of the connecting element (2). The implantable chamber (1) further comprises a cap (4) with a surrounding edge (11), the cap (4) partly covering the connecting element (2) and the insert element (3), leaving an opening (13) on one side. The implantable chamber (1) contains a passive resonance circuit (14) with an inductance and a capacitance, the passive resonance circuit (14) surrounding at least part of a cavity (15) inside the insert element (3).

    摘要翻译: 本发明涉及具有连接元件(2)的可植入室(1),其包括连接套筒(6)和周围的接触表面(7),插入元件(3),其包括插入套筒(8)和 周围的邻接表面(9)。 插入套筒(8)插入到连接元件(2)的连接套筒(6)中。 植入式腔室(1)还包括具有周围边缘(11)的帽(4),帽部分(4)部分地覆盖连接元件(2)和插入元件(3),在其上形成开口(13) 侧。 可植入室(1)包含具有电感和电容的无源谐振电路(14),无源谐振电路(14)围绕插入元件(3)内的空腔(15)的至少一部分。

    Cryogenic clamp-on pipe anchor
    9.
    发明申请
    Cryogenic clamp-on pipe anchor 有权
    低温夹紧管锚

    公开(公告)号:US20050253024A1

    公开(公告)日:2005-11-17

    申请号:US10844090

    申请日:2004-05-12

    摘要: A pipe anchor having: a base cradle with a lug; a top cradle with a lug and secured to the base cradle so as to encircle a pipe within the base cradle and the top cradle; a locking mechanism with opposite mating components attached to the base cradle and the top cradle; at least one lug attached to the pipe; and insulation material filling a space between the pipe and the cradles, wherein the insulation material engages the at least one lug of the pipe and the lugs of the cradles.

    摘要翻译: 一种管锚,具有:具有凸耳的底座; 具有凸耳并固定到基座的顶架,以便围绕底架和顶托中的管; 具有连接到所述底座和所述顶部支架的相对配合部件的锁定机构; 至少一个连接到管道的凸耳; 以及绝缘材料,其填充所述管道和所述托架之间的空间,其中所述绝缘材料接合所述管道的至少一个凸耳和所述托架的凸耳。