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    킬레이트제의 혼합물의 제조 방법
    1.
    发明公开
    킬레이트제의 혼합물의 제조 방법 审中-公开
    制备螯合剂混合物的方法

    公开(公告)号：KR20180008545A

    公开(公告)日：2018-01-24

    申请号：KR20177035316

    申请日：2016-05-03

    Applicant: BASF SE

    Inventor： STAMM ARMIN ,  SCHMIDT THOMAS ,  ORR CHRISTOPHER ,  MANNING JEREMY T

    IPC: C07C227/18 ,  C07C229/16 ,  C09K8/035 ,  C11D3/33

    CPC classification number: C07C227/18 ,  C09K8/035 ,  C11D3/33 ,  C07C229/16

    Abstract: 화학식 (I) 에따른킬레이트제의제조법으로서: R-CH(COOX)-N(CHCOOX)(I) [식중, R은수소, C-C-알킬, 페닐, 벤질, CHOH, 및 CHCHCOOX로부터선택되고, X는 (MH) 이고 (이때, M 은알칼리금속으로부터선택됨), x 는 0.6 내지 1 의범위임] 하기단계를포함하는제조법: (a) 화학식 (II a) 에따른화합물의고체, 슬러리또는용액을제공하는단계: R-CH(COOX)-N(CHCN)(II a) [식중, X는 (MH) 이고, (이때, M 은알칼리금속으로부터선택됨) y 는 0 내지 1 범위임] (b) 상기고체또는슬러리또는용액을, 알칼리금속히드록시드의수성용액과접촉시키는단계로서, 이때알칼리금속이온대 니트릴기의몰비는 0.6:1 내지 0.95:1 의범위인단계, (c) 화학식 (II a) 에따른상기화합물을상기알칼리금속히드록시드와반응시키는단계.

    Abstract translation: 根据通式（I），R1-CH（COOX1）-N（CH2COOX1）2制备螯合剂的方法，其中R1选自氢，C1-C4-烷基，苯基，苄基，CH2OH和CH2CH2COOX1，X1 是（M 1 H 1-x），M选自碱金属，x在0.6至1的范围内，所述方法包括以下步骤：（a）提供根据一般化合物的固体，浆液或溶液 其中X2是（MyH1-y），M选自碱金属，y在0-1的范围内，（b）使所述固体与式（IIa）R1-CH 或浆液或溶液与碱金属氢氧化物的水溶液反应，其中碱金属离子与腈基团的摩尔比在0.6:1至0.95:1的范围内，（c）使所述通式（II）的化合物与通式 a）与所述碱金属氢氧化物反应。

    PROCESS FOR MAKING MIXTURES OF CHELATING AGENTS
    2.
    发明公开
    PROCESS FOR MAKING MIXTURES OF CHELATING AGENTS 审中-公开

    公开(公告)号：EP3294702A1

    公开(公告)日：2018-03-21

    申请号：EP16720815

    申请日：2016-05-03

    Applicant: BASF SE

    Inventor： STAMM ARMIN ,  SCHMIDT THOMAS ,  ORR CHRISTOPHER ,  MANNING JEREMY

    IPC: C07C227/18 ,  C07C229/24 ,  C09K8/035 ,  C11D3/33

    CPC classification number: C07C227/18 ,  C09K8/035 ,  C11D3/33 ,  C07C229/16

    Abstract: Process for making a chelating agent according to the general formula (I), R1-CH(COOX1)-N(CH2COOX1)2 wherein R1 is selected from hydrogen, C1-C4-alkyl, phenyl, benzyl, CH2OH, and CH2CH2COOX1, X1 is (ΜχΗ1-χ), M being selected from alkali metal, x is in the range of from 0.6 to 1, said process comprising the following steps: (a) providing a solid, a slurry or a solution of a compound according to general formula (II a) R1-CH(COOX2)-N(CH2CN)2 wherein X2 is (MyH1-y), M being selected from alkali metal, y is in the range of from zero to 1, (b) contacting said solid or slurry or solution with an aqueous solution of alkali metal hydroxide, wherein the molar ratio of alkali metal ions to nitrile groups is in the range of from 0.6:1 to 0.95:1, (c) reacting said compound according to general formula (II a) with said alkali metal hydroxide.

    PROCESS FOR MAKING MIXTURES OF CHELATING AGENTS
    4.
    发明专利
    PROCESS FOR MAKING MIXTURES OF CHELATING AGENTS 未知

    公开(公告)号：CA2985149A1

    公开(公告)日：2016-11-17

    申请号：CA2985149

    申请日：2016-05-03

    Applicant: BASF SE

    Inventor： STAMM ARMIN ,  SCHMIDT THOMAS ,  ORR CHRISTOPHER ,  MANNING JEREMY

    IPC: C07C227/18 ,  C07C229/24 ,  C09K8/035 ,  C11D3/33

    Abstract: Process for making a chelating agent according to the general formula (I), R1-CH(COOX1)-N(CH2COOX1)2 wherein R1 is selected from hydrogen, C1-C4-alkyl, phenyl, benzyl, CH2OH, and CH2CH2COOX1, X1 is (???1-?), M being selected from alkali metal, x is in the range of from 0.6 to 1, said process comprising the following steps: (a) providing a solid, a slurry or a solution of a compound according to general formula (II a) R1-CH(COOX2)-N(CH2CN)2 wherein X2 is (MyH1-y), M being selected from alkali metal, y is in the range of from zero to 1, (b) contacting said solid or slurry or solution with an aqueous solution of alkali metal hydroxide, wherein the molar ratio of alkali metal ions to nitrile groups is in the range of from 0.6:1 to 0.95:1, (c) reacting said compound according to general formula (II a) with said alkali metal hydroxide.

    METHOD FOR THE PRODUCTION OF AMINODICARBOXYLIC ACID-N,N-DIACETIC ACIDS
    5.
    发明专利
    METHOD FOR THE PRODUCTION OF AMINODICARBOXYLIC ACID-N,N-DIACETIC ACIDS 未知

    公开(公告)号：CA2717180C

    公开(公告)日：2016-09-13

    申请号：CA2717180

    申请日：2009-03-02

    Applicant: BASF SE

    Inventor： OFTRING ALFRED ,  STAMM ARMIN ,  WIRSING FRIEDRICH ,  BRAUN GEROLD

    IPC: C07C227/26 ,  C07C229/24

    Abstract: 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).

    7.
    发明专利
    未知

    公开(公告)号：AT520649T

    公开(公告)日：2011-09-15

    申请号：AT06743390

    申请日：2006-05-02

    Applicant: BASF SE

    Inventor： OFTRING ALFRED ,  BRAUN GEROLD ,  WIRSING FRIEDRICH ,  STAMM ARMIN ,  BALDENIUS KAI-UWE

    IPC: C07C227/26 ,  C07C229/16

    Abstract: 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.

    Procedimiento para la producción de ácidos N,N-diacéticos de ácido aminodicarboxílico
    8.
    发明专利
    Procedimiento para la producción de ácidos N,N-diacéticos de ácido aminodicarboxílico 未知

    公开(公告)号：ES2649812T3

    公开(公告)日：2018-01-15

    申请号：ES09716225

    申请日：2009-03-02

    Applicant: BASF SE

    Inventor： OFTRING ALFRED ,  STAMM ARMIN ,  WIRSING FRIEDRICH ,  BRAUN GEROLD

    IPC: C07C227/18

    Abstract: Procedimiento para la producción de ácidos N,N-diacéticos de ácido aminodicarboxílico de la fórmula general I,**Fórmula** representando X independientemente entre sí hidrógeno o metal alcalino e indicando n un número 1 o 2, comprendiendo los pasos: a) reacción de un ácido aminodicarboxílico de la fórmula general II**Fórmula** teniendo X y n los significados que se han mencionado anteriormente, con 0,8 a 1,2 equivalentes molares de formaldehído y con 0,8 a 1,2 equivalentes molares de ácido cianhídrico, comprendiendo la adición de formaldehído y ácido cianhídrico, disponiéndose el ácido aminodicarboxílico en el recipiente de reacción y añadiéndose formaldehído y ácido cianhídrico; se deja reaccionar durante un periodo de tiempo de un minuto hasta 5 horas, b) a continuación reacción del producto de reacción obtenido en el paso a) con 0,8 a 1,2 equivalentes molares de ácido cianhídrico y con 0,8 a 1,2 equivalentes molares de formaldehído; c) hidrólisis del producto de reacción obtenido en el paso b).

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