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    Method for producing (S,S)-N,N′-ethylenediaminedisuccinic acid, analogous compounds or salts thereof
    21.
    发明授权
    Method for producing (S,S)-N,N′-ethylenediaminedisuccinic acid, analogous compounds or salts thereof 失效
    （S，S）-N，N'-乙二胺二琥珀酸的类似化合物或其盐的制备方法

    公开(公告)号：US06437181B1

    公开(公告)日：2002-08-20

    申请号：US09581530

    申请日：2000-11-27

    Applicant: Alfred Oftring ,  Christian Ott ,  Birgit Potthoff-Karl

    Inventor： Alfred Oftring ,  Christian Ott ,  Birgit Potthoff-Karl

    IPC: C07C22900

    CPC classification number: C07C303/24 ,  C07C227/18 ,  C07C305/06 ,  C07C229/26

    Abstract: The invention describes a process for the preparation of (S,S)-N,N′-ethylenediaminedisuccinic acid or analogous compounds or their salts by reaction of L-aspartic acid, L-glutamic acid or L-cysteic acid with 1,2-bissulfooxyethane, 1,3,2-dioxathiolane 2,2-dioxide or mixtures thereof or 1,3-bissulfooxy-2-hydroxypropane in the presence of a base, and optional subsequent acidification with an acid. Also described is a process for the preparation of (S,S)-N,N′-ethylenediaminedisuccinic acid or analogous compounds or their salts by reaction of N-(2-sulfooxyethyl)-L-aspartic acid or its salts with L-aspartic acid or corresponding compounds based on L-glutamic acid, L-cysteic acid and/or 1,3-bissulfooxy-2-hydroxypropane in the presence of a base, and optional subsequent acidification with an acid.

    Abstract translation: 本发明描述了通过L-天冬氨酸，L-谷氨酸或L-半胱氨酸与1,2-二氨基丁酸的反应来制备（S，S）-N，N'-乙二胺二琥珀酸或类似化合物或其盐的方法， 双磺酰氧基乙烷，1,3,2-二氧硫杂环戊烷2,2-二氧化物或其混合物或1,3-双磺酰氧基-2-羟基丙烷在碱存在下进行，随后可任意用酸酸化。还描述了一种制备方法 通过N-（2-磺氧基乙基）-L-天冬氨酸或其盐与L-天冬氨酸或相应的基于L-天冬氨酸的化合物的反应而产生的（S，S）-N，N'-乙二胺二琥珀酸或类似化合物或其盐， 谷氨酸，L-半胱氨酸和/或1,3-双磺酰氧基-2-羟基丙烷，在碱的存在下，任选随后用酸酸化。

    Detergent and tableware cleaner
    22.
    发明授权
    Detergent and tableware cleaner 有权
    洗涤剂和餐具清洁剂

    公开(公告)号：US06172028B2

    公开(公告)日：2001-01-09

    申请号：US09155410

    申请日：1998-09-28

    Applicant: Richard Baur ,  Werner Bertleff ,  Birgit Potthoff-Karl ,  Beate Ehle ,  Matthias Kroner ,  Gunnar Schornick

    Inventor： Richard Baur ,  Werner Bertleff ,  Birgit Potthoff-Karl ,  Beate Ehle ,  Matthias Kroner ,  Gunnar Schornick

    IPC: C11D330

    CPC classification number: C11D1/40 ,  C11D3/3761 ,  C11D7/08 ,  C11D7/3209

    Abstract: A mixture comprising (a) from 0.1 to 99% by weight of at least one polycarboxylate having at least 3 carboxyls, (b) from 0.1 to 99% by weight of at least one amine having a pKa value of more than 9, and (c) from 0.1 to 99% by weight of at least one acid selected from the group consisting of mineral acids and organic acids having one or two carboxyls and not more than 10 carbons, with the proviso that the mixture contains less than 24% by weight of triphosphates, is used in detergent and rinse aid formulations.

    Abstract translation: 包含（a）0.1至99重量％的至少一种具有至少3个羧基的聚羧酸酯，（b）0.1至99重量％的至少一种pKa值大于9的胺和（ c）0.1至99重量％的至少一种选自无机酸和具有一个或两个羧基且不超过10个碳的有机酸的酸，条件是混合物含有小于24重量％ 的三磷酸盐，用于洗涤剂和漂洗助剂配方中。

    Preparation of glycine-N,N-diacetic acid derivatives
    23.
    发明授权
    Preparation of glycine-N,N-diacetic acid derivatives 失效
    甘氨酸-N，N-二乙酸衍生物的制备

    公开(公告)号：US5849950A

    公开(公告)日：1998-12-15

    申请号：US653024

    申请日：1996-05-24

    Applicant: Thomas Greindl ,  Alfred Oftring ,  Gerold Braun ,  Jochen Wild ,  Birgit Potthoff-Karl ,  Georg Schuh

    Inventor： Thomas Greindl ,  Alfred Oftring ,  Gerold Braun ,  Jochen Wild ,  Birgit Potthoff-Karl ,  Georg Schuh

    IPC: C07C227/18 ,  C07C227/26 ,  C07C229/16 ,  C07C229/00

    CPC classification number: C07C227/26

    Abstract: Glycine-N,N-diacetic acid derivatives I ##STR1## where R is unsubstituted or substituted alkyl, alkenyl, alkoxylate groups, phenylalkyl, phenyl, a heterocyclic ring or a radical of the formula ##STR2## where A is an alkylene bridge or a chemical bond, and M is hydrogen, alkali metal, alkaline earth metal, ammonium or substituted ammonium in the appropriate stoichiometric amounts, are prepared by reacting A) corresponding 2-substituted glycines or 2-substituted glycinonitriles or doubled glycines of the formula ##STR3## or doubled glycinonitriles of the formula ##STR4## or precursors of the glycine derivatives named as starting material with formaldehyde and hydrogen cyanide in aqueous medium at a pH of from 0 to 11 or B) iminodiacetonitrile or iminodiacetic acid with appropriate monoaldehydes of the formula R--CHO or dialdehydes of the formula OHC--A--CHO and hydrogen cyanide in aqueous medium at a pH of from 0 to 11 and, where appropriate, subsequent hydrolysis of nitrile functionalities which are present, where the starting material used comprises unpurified raw material derived from the industrial synthesis of glycine derivatives or their precursors or of iminodiacetonitrile or iminodiacetic acid, or mother liquors produced in such syntheses.

    Abstract translation: 甘氨酸-N，N-二乙酸衍生物I（I）其中R是未取代或取代的烷基，烯基，烷氧基化物，苯基烷基，苯基，杂环或下式的基团其中A是亚烷基 桥或化学键，并且M是氢，碱金属，碱土金属，铵或取代的铵以适当的化学计量的量，通过使A）相应的2-取代的甘氨酸或2-取代的甘氨酸腈或式 或者在水性介质中以甲醛和氰化氢命名为起始原料的甘氨酸衍生物的前体（pH值为0至11）或B）亚氨基二乙腈或亚氨基二乙酸与适当的单醛 式R-CHO或式OHC-A-CHO的二醛和氰化氢在水介质中的pH为0至11，并且在适当的情况下随后水解腈官能团 其中使用的起始材料包括衍生自甘氨酸衍生物或其前体或亚氨基乙腈或亚氨基二乙酸的工业合成的未纯化原料，或在这种合成中产生的母液。

    Process for the preparation of glycine-N, N-diacetic acid derivatives
    24.
    发明授权
    Process for the preparation of glycine-N, N-diacetic acid derivatives 失效
    甘氨酸-N，N-二乙酸衍生物的制备方法

    公开(公告)号：US5817864A

    公开(公告)日：1998-10-06

    申请号：US653023

    申请日：1996-05-24

    Applicant: Thomas Greindl ,  Alfred Oftring ,  Gerold Braun ,  Jochen Wild ,  Birgit Potthoff-Karl ,  Georg Schuh

    Inventor： Thomas Greindl ,  Alfred Oftring ,  Gerold Braun ,  Jochen Wild ,  Birgit Potthoff-Karl ,  Georg Schuh

    IPC: C07C227/18 ,  C07C227/26 ,  C07C229/16 ,  C07C229/02

    CPC classification number: C07C229/16 ,  C07C227/26

    Abstract: Glycine-N, N-diacetic acid derivatives are prepared by reacting corresponding 2-substituted glycines, 2-substituted glycinonitriles, doubled glycines, or precursors of the glycine derivatives with formaldehyde and alkali metal cyanide. The reaction is conducted in an aqueous medium at a pH of 8 to 14. From 0, 5 to 30% of the amount of alkali metal cyanide required for the reaction are added to the glycine derivatives or precursors thereof Subsequently, the remaining amount of alkali metal cyanide and the formaldehyde are simultaneously metered in over a period of from 0.5 to 12 hours.

    Abstract translation: 甘氨酸-N，N-二乙酸衍生物通过使相应的2-取代甘氨酸，2-取代的甘氨腈，双重甘氨酸或甘氨酸衍生物的前体与甲醛和碱金属氰化物反应来制备。 该反应在pH为8〜14的水性介质中进行。将0.5〜30％的反应所需的碱金属氰化物加入甘氨酸衍生物或其前体中随后，剩余的碱量 金属氰化物和甲醛在0.5至12小时的同时计量。

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