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    Chelating agent precursors, fluids containing them, and their use
    4.
    发明授权
    Chelating agent precursors, fluids containing them, and their use 有权
    螯合剂前体，含有它们的流体及其用途

    公开(公告)号：US09556378B2

    公开(公告)日：2017-01-31

    申请号：US14000675

    申请日：2012-02-20

    申请人： James N. Lepage ,  Cornelia Adriana De Wolf ,  Johanna Hendrika Bemelaar ,  Adrianus Maria Reichwein ,  Axel Carstens ,  Edwin Rudolf Antony Bang

    发明人： James N. Lepage ,  Cornelia Adriana De Wolf ,  Johanna Hendrika Bemelaar ,  Adrianus Maria Reichwein ,  Axel Carstens ,  Edwin Rudolf Antony Bang

    IPC分类号： C09K8/86 ,  C07C227/18 ,  C07C229/12 ,  C07C229/24 ,  C07C231/02 ,  C07C237/06 ,  C09K8/528

    CPC分类号： C09K8/86 ,  C07C227/18 ,  C07C229/12 ,  C07C229/24 ,  C07C231/02 ,  C07C237/06 ,  C09K8/528

    摘要： The present invention relates to a chelating agent precursor that contains glutamic acid N,N-diacetic acid (GLDA) and/or methylglycine N,N-diacetic acid (MGDA) wherein at least one of the carboxylic acid groups is present as a carboxylic acid derivative selected from the group of amides, anhydrides, and esters, combinations thereof, and salts thereof, provided that it is not the triethyl ester of GLDA, the triethyl mono-t-butyl ester of GLDA, the tri-t-butyl ester of GLDA, the monobenzyl tri-t-butyl ester of GLDA, any ester or amide that contains azacycloalkane groups, any amide that contains biotin groups, any amide that contains minoethylcarbamoyl based amide groups, (S)-diethyl 2,2′-(1-benzyloxy)-1,5-dioxo-5-(prop-2-ynylamino)pentan-2-ylazanediyl-diacetate, diethyl 2,2′-(5-(3-azidopropylamino)-1-(benzyloxy)-1,5-dioxo-pentan-2-ylazanediyl-diacetate, the trimethyl ester of MGDA, the monomethyl ester dimethylamide of MGDA, the dibenzyl ester of MGDA, the dibenzyl mono t-butyl ester of MGDA, the di t-butyl ester of MGDA, the di-t-butyl-monobenzyl ester of MGDA, N,N-bis(benzyloxycarbonylmethyl)-N′-methoxycarbonyl-methyl-alanine amide, or N,N-bis(tert-butoxycarbonyl)-N′-methoxycarbonylmethyl-alanine amide, and esters of GLDA immobilized on a gel, and that the amide is not the amide of ammonia, to a fluid containing the above chelating precursor and a liquid, and to the use of a chelating agent precursor of MGDA and GLDA and fluids containing them in an application wherein delayed acidity or the chelating capacity is useful, such as in descaling, bleaching, cleaning, and treating oil and/or gas-containing subterranean formations.

    摘要翻译： 本发明涉及含有谷氨酸N，N-二乙酸（GLDA）和/或甲基甘氨酸N，N-二乙酸（MGDA）的螯合剂前体，其中至少一个羧酸基团作为羧酸存在 选自酰胺，酸酐和酯的组合的衍生物，其组合及其盐，条件是它不是GLDA的三乙基酯，GLDA的三乙基单叔丁基酯，三 GLDA，GLDA的单苄基三叔丁酯，含有氮杂环烷基的任何酯或酰胺，含有生物素基团的任何酰胺，含有最小乙基氨基甲酰基的酰胺基的任何酰胺，（S）-2,2' - （1 - 苄氧基）-1,5-二氧代-5-（丙-2-炔基氨基）戊-2-基二烷基二乙酸酯，2,2' - （5-（3-叠氮基丙基氨基）-1-（苄氧基） 5-二氧代戊烷-2-基二烷基二乙酸酯，MGDA的三甲基酯，MGDA的单甲基酯二甲基酰胺，MGDA的二苄基酯，二苄基单叔丁酯 的MGDA的二叔丁基酯，MGDA的二叔丁基 - 单苄基酯，N，N-双（苄氧基羰基甲基）-N'-甲氧基羰基 - 甲基 - 丙氨酸酰胺或N，N-双 叔丁氧基羰基）-N'-甲氧基羰基甲基 - 丙氨酸酰胺和固定在凝胶上的GLDA的酯，并且酰胺不是氨的酰胺，与含有上述螯合前体和液体的流体，以及使用 在其中延迟酸度或螯合能力有用的应用中，例如在除垢，漂白，清洁和处理含油和/或含气体的地下地层中，MGDA和GLDA的螯合剂前体和含有它们的流体。

    CHELATING AGENT PRECURSORS, FLUIDS CONTAINING THEM, AND THEIR USE
    6.
    发明申请
    CHELATING AGENT PRECURSORS, FLUIDS CONTAINING THEM, AND THEIR USE 有权
    代理代理人，含有它们的流体及其使用

    公开(公告)号：US20130331304A1

    公开(公告)日：2013-12-12

    申请号：US14000675

    申请日：2012-02-20

    申请人： James N. Lepage ,  Cornelia Adriana De Wolf ,  Johanna Hendrika Bemelaar ,  Adrianus Maria Reichwein ,  Axel Carstens ,  Edwin Rudolf Antony Bang

    发明人： James N. Lepage ,  Cornelia Adriana De Wolf ,  Johanna Hendrika Bemelaar ,  Adrianus Maria Reichwein ,  Axel Carstens ,  Edwin Rudolf Antony Bang

    IPC分类号： C09K8/86

    CPC分类号： C09K8/86 ,  C07C227/18 ,  C07C229/12 ,  C07C229/24 ,  C07C231/02 ,  C07C237/06 ,  C09K8/528

    摘要： The present invention relates to a chelating agent precursor that contains glutamic acid N,N-diacetic acid (GLDA) and/or methylglycine N,N-diacetic acid (MGDA) wherein at least one of the carboxylic acid groups is present as a carboxylic acid derivative selected from the group of amides, anhydrides, and esters, combinations thereof, and salts thereof, provided that it is not the triethyl ester of GLDA, the triethyl mono-t-butyl ester of GLDA, the tri-t-butyl ester of GLDA, the monobenzyl tri-t-butyl ester of GLDA, any ester or amide that contains azacycloalkane groups, any amide that contains biotin groups, any amide that contains minoethylcarbamoyl based amide groups, (S)-diethyl 2,2′-(1-benzyloxy)-1,5-dioxo-5-(prop-2-ynylamino)pentan-2-ylazanediyl-diacetate, diethyl 2,2′-(5-(3-azidopropylamino)-1-(benzyloxy)-1,5-dioxo-pentan-2-ylazanediyl-diacetate, the trimethyl ester of MGDA, the monomethyl ester dimethylamide of MGDA, the dibenzyl ester of MGDA, the dibenzyl mono t-butyl ester of MGDA, the di t-butyl ester of MGDA, the di-t-butyl- monobenzyl ester of MGDA, N,N-bis(benzyloxycarbonylmethyl)-N′-methoxycarbonyl-methyl-alanine amide, or N,N-bis(tert-butoxycarbonyl)-N′-methoxycarbonylmethyl-alanine amide, and esters of GLDA immobilized on a gel, and that the amide is not the amide of ammonia, to a fluid containing the above chelating precursor and a liquid, and to the use of a chelating agent precursor of MGDA and GLDA and fluids containing them in an application wherein delayed acidity or the chelating capacity is useful, such as in descaling, bleaching, cleaning, and treating oil and/or gas-containing subterranean formations.

    摘要翻译： 本发明涉及含有谷氨酸N，N-二乙酸（GLDA）和/或甲基甘氨酸N，N-二乙酸（MGDA）的螯合剂前体，其中至少一个羧酸基团作为羧酸存在 选自酰胺，酸酐和酯的组合的衍生物，其组合及其盐，条件是它不是GLDA的三乙基酯，GLDA的三乙基单叔丁基酯，三 GLDA，GLDA的单苄基三叔丁酯，含有氮杂环烷基的任何酯或酰胺，含有生物素基团的任何酰胺，含有最小乙基氨基甲酰基的酰胺基的任何酰胺，（S）-2,2' - （1 - 苄氧基）-1,5-二氧代-5-（丙-2-炔基氨基）戊-2-基二烷基二乙酸酯，2,2' - （5-（3-叠氮基丙基氨基）-1-（苄氧基） MGDA的三甲基酯，MGDA的单甲基酯二甲基酰胺，MGDA的二苄基酯，二苄基单叔丁基酯， MGDA，MGDA的二叔丁基酯，MGDA的二叔丁基 - 一苄基酯，N，N-双（苄氧羰基甲基）-N'-甲氧基羰基 - 甲基 - 丙氨酸酰胺或N，N-双（叔 - 丁氧基羰基）-N'-甲氧基羰基甲基 - 丙氨酸酰胺和固定在凝胶上的GLDA的酯，并且酰胺不是氨的酰胺，与含有上述螯合前体和液体的流体，以及使用 在其中延迟酸度或螯合能力有用的应用中，例如在除垢，漂白，清洁和处理含油和/或含气体的地下地层中，MGDA和GLDA的螯合剂前体以及含有它们的流体。

    CHELATING AGENT BASED IONIC LIQUIDS, A PROCESS TO PREPARE THEM, AND THEIR USE
    8.
    发明申请
    CHELATING AGENT BASED IONIC LIQUIDS, A PROCESS TO PREPARE THEM, AND THEIR USE 审中-公开

    公开(公告)号：US20100311998A1

    公开(公告)日：2010-12-09

    申请号：US12671667

    申请日：2008-07-31

    申请人： Cornelia Adriana De Wolf ,  Boris Kuzmanovic ,  Johanna Hendrika Bemelaar ,  Cornelis Johannes Govardus Van Strien ,  Martin Heus ,  Antoon Ten Kate

    发明人： Cornelia Adriana De Wolf ,  Boris Kuzmanovic ,  Johanna Hendrika Bemelaar ,  Cornelis Johannes Govardus Van Strien ,  Martin Heus ,  Antoon Ten Kate

    IPC分类号： C07F5/06 ,  C07C229/26 ,  C07F11/00 ,  C07C229/46

    CPC分类号： C07C229/16 ,  C07C211/63 ,  C07C215/40 ,  C07C229/76 ,  C07F9/5407

    摘要： The present invention relates to ionic liquids of the formula: (Mm+)xH+ynN+R1R2R3R4Z—N(—CHXCOO−)pY2-p or (Mm+)xH+ynP+R1R2R3R4Z—N(—CHXCOO−)pY2-p wherein any one of R1 to R4 independently represents a hydrogen, alkyl, cycloalkyl, aryl or aralkyl group that may be unsubstituted or substituted with one or more groups selected from OH, Cl, Br, F, I, phenyl, NH2, CN, NO2, an ether group, COOR5, CHO, COR5 or OR5, wherein R5 is an alkyl or cycloalkyl group, and wherein two of the groups R1 to R4 together with the N atom may form a heteroaromatic or heterocyclic group such as a pyridinium, pyrrolidinium or imidazolium group; the Z—N(—CHXCOO−)pY2-p is the anion derived from a chelating agent, wherein Z is a group selected from hydrogen, alkyl, an alkyl group optionally substituted with one or more carboxylate groups, hydroxyl groups and/or optionally containing one or more ether functionalities, or Z is a group of the formula —CH2—CHR6—R7—N—(CH2COO−)2, R6 is hydrogen or a C1-C3 alkyl group, R7 is a single bond, a C1-C3 alkylene group or one or more groups of the formula —N(CH2COO−)—CH2—CHR6—R8—, R8 is a single bond or a C1-C3 alkylene group, p is 2 or 1, X is H, an aryl group that may be unsubstituted or substituted with an OH and/or CH3 substituent, or CH2COO−, and when p is 1, Y is H, a benzyl group that may be unsubstituted or substituted with an OH and/or CH3 group, or a phenyl group that may be unsubstituted or substituted with an OH and/or CH3 substituent, Mm+ is a m-valent metal cation, n is 1 or higher, x is from 0 to 5, y is from 0 to 3, the total positive charge of (Mm+)x, H+y, and nN+R1R2R3R4 or nP+R1R2R3R4 equals the negative charge of the Z—N(—CHXCOO−)pY2-p anion, wherein at least one of the following conditions is fulfilled: i) the chelating agent has a connectivity index 1X/3X of below 2.17, ii) at least two different cations are present in the salt, whereby a proton cation does not count as one of the at least two, iii) at least one cation is a bivalent, trivalent, tetravalent or pentavalent cation, and having a melting point below 120° C. The invention further relates to a process to prepare them and their use.