Process for Reducing Inorganics from Anionic Surfactant Solutions
    22.
    发明申请
    Process for Reducing Inorganics from Anionic Surfactant Solutions 有权
    从阴离子表面活性剂溶液中减少无机物的方法

    公开(公告)号:US20140054223A1

    公开(公告)日:2014-02-27

    申请号:US13989929

    申请日:2011-12-05

    CPC classification number: C02F9/00 B01D61/027 C07C303/44 C07C309/10

    Abstract: A process comprising contacting deionized water with one or more Strecker sulfonation reaction products of one or more halogenated alkyl ethers in the presence of sulfite, wherein the one or more Strecker sulfonation reaction products each comprise one or more inorganic salts on a dry basis and one or more surfactant components, form a filtration mixture; loading the filtration mixture into a high pressure filtration system containing a membrane having a membrane molecular weight cutoff allowing preferential passage of the inorganic salts, for example, of greater than or equal to 200 Daltons; wherein the high pressure filtration system is operated at a pressure greater than ambient pressure and is configured to cause crossflow of the filtration mixture along a surface of the membrane resulting in a permeate solution which substantially passes through the membrane and a retentate solution which substantially does not pass through the membrane; wherein the permeate comprises less than or equal to 15 weight percent surfactant component, based on the weight of the filtration mixture is provided.

    Abstract translation: 一种方法,包括在亚硫酸盐存在下使去离子水与一种或多种卤化烷基醚的一种或多种降解性磺化反应产物接触,其中所述一种或多种Strecker磺化反应产物各自包含一个或多个基于干基的无机盐, 更多的表面活性剂组分,形成过滤混合物; 将过滤混合物装入含有具有膜分子量截留的膜的高压过滤系统,允许无机盐优先通过,例如大于或等于200道尔顿; 其中所述高压过滤系统在大于环境压力的压力下操作并且被配置成使所述过滤混合物沿所述膜的表面交叉流动,导致基本上通过所述膜的渗透液和基本上不通过所述膜的渗余物溶液 通过膜; 其中所述渗透物包含基于所述过滤混合物的重量的小于或等于15重量%的表面活性剂组分。

    Process for the Continuous Production of High Purity Phenolic Glycol Ether
    25.
    发明申请
    Process for the Continuous Production of High Purity Phenolic Glycol Ether 有权
    连续生产高纯度酚二醇醚的方法

    公开(公告)号:US20110009675A1

    公开(公告)日:2011-01-13

    申请号:US12745648

    申请日:2008-12-08

    CPC classification number: C07C41/03 Y02P20/582 C07C43/23

    Abstract: Phenolic glycol ethers, e.g., ethylene glycol phenyl ether, are prepared by a continuous, nonaqueous process comprising the steps of (A) contacting under isothermal reactive conditions in a first reactor or reaction zone an alkylene oxide, e.g., ethylene oxide, with (i) a stoichiometric molar excess of a phenolic compound, e.g., phenol, and (ii) a catalytic amount of a base, e.g., sodium hydroxide, homogeneously dispersed throughout the phenolic compound, to form a first intermediate phenolic glycol ether product, (Bj transferring the first intermediate phenolic glycol ether product to a second reactor or reaction zone, and (C) subjecting the first intermediate phenolic glycol ether product to adiabatic reactive conditions in the second reactor or reaction zone to form a second intermediate phenolic glycol ether product comprising phenolic glycol ether, unreacted phenolic compound, catalyst, water and byproduct glycols. In addition, the mono-/di-product weight ratio can be adjusted by increasing or decreasing the amount of base catalyst employed.

    Abstract translation: 酚醛二醇醚,例如乙二醇苯基醚,通过连续的非水性方法制备,包括以下步骤:(A)在等温反应条件下在第一反应器或反应区中接触环氧烷,例如环氧乙烷与(i )化学计量摩尔过量的酚类化合物,例如苯酚,和(ii)催化量的碱,例如均匀分散在整个酚类化合物中的氢氧化钠,形成第一中间体酚二醇醚产物(Bj转移 将第一中间体酚二醇醚产物加入到第二反应器或反应区中,和(C)使第一中间体酚二醇醚产物在第二反应器或反应区中进行绝热反应条件以形成包含酚二醇的第二中间体酚二醇醚产物 醚,未反应的酚类化合物,催化剂,水和副产物二醇,另外,单/二产物重量比可以通过 增加或减少所用的碱催化剂的量。

    Resolution of α-(phenoxy)phenylacetic acid derivatives
    27.
    发明授权
    Resolution of α-(phenoxy)phenylacetic acid derivatives 有权
    分解α-(苯氧基)苯乙酸衍生物

    公开(公告)号:US07199259B2

    公开(公告)日:2007-04-03

    申请号:US10656567

    申请日:2003-09-04

    Inventor: Edward D. Daugs

    CPC classification number: C07C51/487 C07C59/68

    Abstract: The present invention provides a method for producing an enantiomerically enriched α-(phenoxy)phenylacetic acid compound of the formula (I): from its enantiomeric mixture, where R1 is alkyl or haloalkyl R7 is heteroalkyl and X is halide.

    Abstract translation: 本发明提供了制备式(I)的对映体富集的α-(苯氧基)苯乙酸化合物的方法:

    Polyethylene glycol compounds and process of making
    28.
    发明授权
    Polyethylene glycol compounds and process of making 有权
    聚乙二醇化合物及其制备方法

    公开(公告)号:US07199193B2

    公开(公告)日:2007-04-03

    申请号:US10952198

    申请日:2004-09-28

    CPC classification number: C08G65/2603 C08G65/00

    Abstract: A process for making substituted polyethylene glycol compound. The compound has the formula RO(C2H40)nH wherein R represents a C1–7 hydrocarbon group and n represents the average number of moles of C2H40 groups, ranging from 500 to 2000. The compound has a ratio of weight average molecular weight to a number average molecular weight in the range of from 1 to 1.1. The compound contains less than ten weight percent polyethylene glycol. The gist of the process is the use of a polyether solvent, wherein the n value of the compound ranges from 600 to 2000.

    Abstract translation: 制备取代的聚乙二醇化合物的方法。 化合物具有式RO(C 2 H 40)n H,其中R表示C 1-7烃基,n表示C 2 H 40基团的平均摩尔数,范围为500-2000。化合物的重均分子量与数 平均分子量在1至1.1的范围内。 该化合物含有少于10重量%的聚乙二醇。 该方法的要点是使用聚醚溶剂,其中该化合物的n值范围为600-2000。

    Process for the production of 2-imidazolones
    30.
    发明授权
    Process for the production of 2-imidazolones 失效
    2-咪唑啉酮的制备方法

    公开(公告)号:US5338862A

    公开(公告)日:1994-08-16

    申请号:US39539

    申请日:1993-03-29

    CPC classification number: C07D233/70

    Abstract: The present invention pertains to a process for producing a 2-imidazolone from a ureidoacetal. The ureidoacetal is subjected to an acid catalyzed condensation in order to produce the 2-imidazolone. The reaction is conducted in an alcoholic solvent in order to minimize the production of a polymeric by-product.

    Abstract translation: 本发明涉及从脲基缩醛生产2-咪唑啉酮的方法。 将脲基缩醛进行酸催化缩合以制备2-咪唑啉酮。 反应在醇溶剂中进行,以使聚合副产物的产生最小化。

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