Method for producing methylglycine-N,N-diethanoic acid-trialkali metal salts with a low by-product content
    1.
    发明授权
    Method for producing methylglycine-N,N-diethanoic acid-trialkali metal salts with a low by-product content 有权
    具有低副产物含量的甲基甘氨酸-N,N-二乙酸 - 三烷基金属盐的制备方法

    公开(公告)号:US07671234B2

    公开(公告)日:2010-03-02

    申请号:US11913597

    申请日:2006-05-02

    IPC分类号: C07C227/26 C07C229/16

    CPC分类号: C07C227/26 C07C229/16

    摘要: The invention relates to a process for preparing low-by-product, light-color methylglycine-N,N-diacetic acid tri(alkali metal) salt by alkaline hydrolysis of methylglycinediacetonitrile (MGDN), comprising the steps in the sequence (a) to (f): (a) mixing of MGDN with aqueous alkali at a temperature of ≦30° C.; (b) allowing the aqueous alkaline MGDN suspension to react at a temperature in the range from 10 to 30° C. over a period of from 0.1 to 10 h to form a solution; (c) allowing the solution from step (b) to react at a temperature in the range from 30 to 40° C. over a period of from 0.1 to 10 h; (d) optionally allowing the solution from step (c) to react at a temperature in the range from 50 to 80° C. over a period of from 0.5 to 2 h; (e) optionally allowing the solution from step (c) or (d) to react at a temperature in the range from 110 to 200° C. over a period of from 5 to 60 min; (f) hydrolysis and removal of ammonia of the solution obtained in step (c), (d) or (e) by stripping at a temperature of from 90 to 105° C.

    摘要翻译: 本发明涉及通过甲基甘氨二乙腈(MGDN)的碱水解制备低副产物,浅色甲基甘氨酸-N,N-二乙酸三(碱金属)盐的方法,包括步骤(a)至 (f):(a)在温度为30℃的温度下,将MGDN与碱水溶液混合; (b)使含水碱性MGDN悬浮液在10至30℃的温度下反应0.1至10小时以形成溶液; (c)允许来自步骤(b)的溶液在0.1至10小时的时间内在30至40℃的温度下反应; (d)任选地允许步骤(c)的溶液在0.5至2小时的时间内在50至80℃的温度下反应; (e)任选地允许来自步骤(c)或(d)的溶液在110至200℃的温度下在5至60分钟的时间内反应; (f)通过在90至105℃的温度下汽提来水解和除去在步骤(c),(d)或(e)中获得的溶液中的氨。

    Method For Producing Methylglycine-N,N-Diethanoic Acid-Trialkali Metal Salts With A Low By-Product Content
    2.
    发明申请
    Method For Producing Methylglycine-N,N-Diethanoic Acid-Trialkali Metal Salts With A Low By-Product Content 有权
    生产含有低副产物含量的甲基甘氨酸-N,N-二氢化萘 - 三碱金属盐的方法

    公开(公告)号:US20080194873A1

    公开(公告)日:2008-08-14

    申请号:US11913597

    申请日:2006-05-02

    IPC分类号: C07C229/24

    CPC分类号: C07C227/26 C07C229/16

    摘要: The invention relates to a process for preparing low-by-product, light-color methylglycine-N,N-diacetic acid tri(alkali metal) salt by alkaline hydrolysis of methylglycinediacetonitrile (MGDN), comprising the steps in the sequence (a) to (f): (a) mixing of MGDN with aqueous alkali at a temperature of ≦30° C.; (b) allowing the aqueous alkaline MGDN suspension to react at a temperature in the range from 10 to 30° C. over a period of from 0.1 to 10 h to form a solution; (c) allowing the solution from step (b) to react at a temperature in the range from 30 to 40° C. over a period of from 0.1 to 10 h; (d) optionally allowing the solution from step (c) to react at a temperature in the range from 50 to 80° C. over a period of from 0.5 to 2 h; (e) optionally allowing the solution from step (c) or (d) to react at a temperature in the range from 110 to 200° C. over a period of from 5 to 60 min; (f) hydrolysis and removal of ammonia of the solution obtained in step (c), (d) or (e) by stripping at a temperature of from 90 to 105° C.

    摘要翻译: 本发明涉及通过甲基甘氨二乙腈(MGDN)的碱水解制备低副产物,浅色甲基甘氨酸-N,N-二乙酸三(碱金属)盐的方法,包括步骤(a)至 (f):(a)在<= 30℃的温度下将MGDN与碱水溶液混合; (b)使含水碱性MGDN悬浮液在10至30℃的温度下反应0.1至10小时以形成溶液; (c)允许来自步骤(b)的溶液在0.1至10小时的时间内在30至40℃的温度下反应; (d)任选地允许步骤(c)的溶液在0.5至2小时的时间内在50至80℃的温度下反应; (e)任选地允许来自步骤(c)或(d)的溶液在110至200℃的温度下在5至60分钟的时间内反应; (f)通过在90至105℃的温度下汽提来水解和除去在步骤(c),(d)或(e)中获得的溶液中的氨。

    Aqueous cationic tenside preparations, method for the production and use thereof
    3.
    发明授权
    Aqueous cationic tenside preparations, method for the production and use thereof 失效
    水性阳离子表面活性剂制备方法及其制备方法

    公开(公告)号:US06509012B1

    公开(公告)日:2003-01-21

    申请号:US09403638

    申请日:1999-10-25

    IPC分类号: A61K708

    摘要: The disclosure sets forth aqueous cationic surfactant formulations and a process for their preparation. The formulations contains in solution a) from 10 to 50% by weight of a quaternary ammonium compound of the formula I: where: the substituents have the meanings set forth in the description, and b) from 0.01 to 15% by weight of an amine of the formula III: and c) from 0.1 to 5.0% by weight of a buffer which maintains a pH in a range from 4 to 9. The surfactant formulation is prepared by reacting an amine of the formula III in aqueous solution with a dialkyl sulfate of the formula IV where R1 to R5 are in a molar ratio range from 85 to 99.99 mol %, based on the amine and at from 20 to 100 degrees C. and then adding to the reaction solution from 0.1 to 5.0% by weight of a buffer which maintains a pH in a range from 4 to 9.

    摘要翻译: 本公开提出了阳离子表面活性剂水溶液及其制备方法。 所述制剂在溶液中含有10至50重量%的式I季铵化合物:其中:取代基具有说明书中所述的含义,和b)0.01至15重量%的胺 的式III:和c)0.1至5.0重量%的保持pH在4至9范围内的缓冲液。表面活性剂制剂通过使式IIIin水溶液中的胺与硫酸二烷基酯 式IV其中R 1至R 5的摩尔比为85至99.99mol%,基于胺,并且在20至100℃下,然后向反应溶液中加入0.1至5.0重量%的缓冲液, 保持pH在4至9的范围内。

    Method for the production of aminodicarboxylic acid-N,N-diacetic acids
    4.
    发明授权
    Method for the production of aminodicarboxylic acid-N,N-diacetic acids 有权
    制备氨基二羧酸-N,N-二乙酸的方法

    公开(公告)号:US08455682B2

    公开(公告)日:2013-06-04

    申请号:US12919149

    申请日:2009-03-02

    IPC分类号: C07C229/16

    CPC分类号: C07C227/18 C07C229/24

    摘要: Provided is a method for the production of aminodicarboxylic acid N,N-diacetic acids of formula (I), wherein X is independently hydrogen or an alkali metal and n is 1 or 2. Aminodicarboxylic acid-N,N-diacetic acids of high purity can be yielded. The method involves: a) reacting an aminodicarboxylic acid, with 0.8 to 1.2 mole equivalents of formaldehyde and with 0.8 to 1.2 mole equivalents of hydrocyanic acid; b) reacting the reaction products of a) with 0.8 to 1.2 mole equivalents of hydrocyanic acid and with 0.8 to 1.2 mole equivalents of formaldehyde; c) hydrolyzing in the reaction product obtained in b).

    摘要翻译: 提供了制备式(I)的氨基二羧酸N,N-二乙酸的方法,其中X独立地是氢或碱金属,n是1或2.高纯度的氨基二羧酸-N,N-二乙酸 可以得到。 该方法包括:a)使氨基二羧酸与0.8至1.2摩尔当量的甲醛和0.8至1.2摩尔当量的氢氰酸反应; b)使a)的反应产物与0.8至1.2摩尔当量的氢氰酸和0.8至1.2摩尔当量的甲醛反应; c)在b)中得到的反应产物中水解。

    METHOD FOR THE PRODUCTION OF AMINODICARBOXYLIC ACID-N,N-DIACETIC ACIDS
    6.
    发明申请
    METHOD FOR THE PRODUCTION OF AMINODICARBOXYLIC ACID-N,N-DIACETIC ACIDS 有权
    用于生产氨基甲酰氧基-N,N-二乙酸的方法

    公开(公告)号:US20110004016A1

    公开(公告)日:2011-01-06

    申请号:US12919149

    申请日:2009-03-02

    IPC分类号: C07C227/18 C07C229/24

    CPC分类号: C07C227/18 C07C229/24

    摘要: The present invention relates to a method for the production of aminodicarboxylic acid-N,N,diacetic acids of the general Formula I, wherein X independently of one another represents hydrogen or an alkali metal and n represents a number 1 or 2. Furthermore, the invention relates to aminodicarboxylic acid-N,N-diacetic acids of high purity. The inventive method comprises the following steps: A.) reacting an aminodicarboxylic acid of the general Formula II, wherein X and n have the aforementioned meanings, with 0.8 to 1.2 mole equivalents of formaldehyde and with 0.8 to 1.2 mole equivalents of hydrocyanic acid; b) reacting the reaction products of step a) with 0.8 to 1.2 mole equivalents of hydrocyanic acid and with 0.8 to 1.2 mole equivalents of formaldehyde; c) hydrolyzing in the reaction product obtained in step b).

    摘要翻译: 本发明涉及一种制备通式I的氨基二羧酸-N,N-二乙酸的方法,其中X彼此独立地表示氢或碱金属,n表示数1或2.此外, 本发明涉及高纯度的氨基二羧酸-N,N-二乙酸。 本发明方法包括以下步骤:A.将具有上述含义的X和n的通式II的氨基二羧酸与0.8至1.2摩尔当量的甲醛和0.8至1.2摩尔当量的氢氰酸反应; b)使步骤a)的反应产物与0.8至1.2摩尔当量的氢氰酸和0.8至1.2摩尔当量的甲醛反应; c)在步骤b)中获得的反应产物中水解。

    Double attachment reactive dyes having alkyl- or alkenylsulfonyl and
alkyl- or alkenylsulfonylalkyl groups
    7.
    发明授权
    Double attachment reactive dyes having alkyl- or alkenylsulfonyl and alkyl- or alkenylsulfonylalkyl groups 失效
    具有烷基或烯基磺酰基和烷基 - 或烯基磺酰基烷基的双连接活性染料

    公开(公告)号:US5210187A

    公开(公告)日:1993-05-11

    申请号:US865744

    申请日:1992-04-09

    摘要: Double attachment reactive dyes have the formula ##STR1## where U.sup.1 is C.sub.1 -C.sub.4 -alkyl, phenyl, C.sub.2 -C.sub.10 -alkenyl or the radical ##STR2## where Q.sup.1 and Q.sup.2 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl and Q.sup.3 is a group which is detachable under alkaline reaction conditions,Z is the radical ##STR3## where each Q.sup.4 is independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl which may be substituted by cyano, U.sup.2 is C.sub.1 -C.sub.4 -alkyl, phenyl, C.sub.2 -C.sub.10 -alkenyl or the radical ##STR4## where Q.sup.5 and Q.sup.6 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl and Q.sup.7 is a group which is detachable under alkaline reaction conditions, and w is 0, 1 or 2,t is 0, 1 or 2,v is 1 or 2 and X and L are each as defined in the description, with the proviso that at least one of the two radicals U.sup.1 and U.sup.2 is not C.sub.1 -C.sub.4 -alkyl or phenyl, and are prepared from benzyl compounds of the formula ##STR5## where A is nitro or amino and U.sup.1, Z and t are each as defined above. The reactive dyes are useful for dyeing hydroxyl-containing fibers such as cotton and wool and provide high yields and high wet fastness.

    摘要翻译: 双连接活性染料具有式“IMAGE”,其中U1是C1-C4-烷基,苯基,C2-C10-烯基或基团,其中Q1和Q2各自独立地是氢或C1-C4-烷基, Q3是在碱性反应条件下可分离的基团,Z是基团,其中每个Q 4独立于可被氰基取代的另一个氢或C 1 -C 4 - 烷基,U 2是C 1 -C 4 - 烷基,苯基 ,C 2 -C 10 - 烯基或基团,其中Q 5和Q 6各自独立地为氢或C 1 -C 4 - 烷基,Q 7为在碱性反应条件下可分离的基团,w为0,1或2 ,t为0,1或2,v为1或2,X和L各自如说明书中所定义,条件是两个基团U1和U2中的至少一个不是C 1 -C 4 - 烷基或苯基, 并且由式为“IMAGE”的苄基化合物制备,其中A是硝基或氨基,并且U1,Z和t各自如上所定义。 活性染料可用于染色含有羟基的纤维如棉和羊毛,并提供高产率和高耐湿牢度。