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    CHELATING AGENT BASED IONIC LIQUIDS, A PROCESS TO PREPARE THEM, AND THEIR USE
    3.
    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.

    Process to prepare amino acid-N, N-diacetic acid compounds
    6.
    发明授权
    Process to prepare amino acid-N, N-diacetic acid compounds 有权
    制备氨基酸-N，N-二乙酸化合物的方法

    公开(公告)号：US08551312B2

    公开(公告)日：2013-10-08

    申请号：US12516911

    申请日：2007-11-27

    申请人： Martin Heus ,  Hans Lammers ,  Arie Volmer

    发明人： Martin Heus ,  Hans Lammers ,  Arie Volmer

    IPC分类号： B01D61/42

    CPC分类号： C07C227/40 ,  B01D61/44 ,  C07C229/16 ,  C07C229/24

    摘要： The invention relates to a process for the production of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups or its salt with less than an equivalent of alkaline metal based on the number of carboxyl groups, said process comprising reducing alkali metal ions from an aqueous solution of an alkali metal salt of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups and acidifying the amino carboxylate starting material by first performing a chemical acidification step using an organic or inorganic acid to get a compound in which at least one of the groups is protonated, and in a subsequent step further acidifying the amino carboxylate starting material and reducing alkali metal ions from an aqueous solution of the partially acidified alkali metal salt of the amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups by electrodialysis, wherein the electrodialysis is performed using a hydrogen ion permselective membrane on the anode side and a cation-permeable membrane on the cathode side.

    摘要翻译： 本发明涉及一种制备具有至少一个仲氨基或叔氨基和三个或更多个羧基的氨基酸的方法或其盐，其基于羧基数目少于等于碱当量，所述方法包括 从具有至少一个仲或叔氨基和三个或多个羧基的氨基酸的碱金属盐的水溶液中还原碱金属离子，并且通过首先使用有机或不饱和羧酸盐进行化学酸化步骤酸化氨基羧酸盐原料 无机酸，得到其中至少一个基团被质子化的化合物，并且在随后的步骤中，进一步酸化氨基羧酸酯起始原料并从部分酸化的氨基酸的碱金属盐的水溶液中还原碱金属离子，其具有 至少一个仲或叔氨基和三个或更多个羧基通过电渗析，其中选 使用阳极侧的氢离子选择性膜和阴极侧的阳离子透过膜进行透析。

    Aqueous solution of a sodium salt of HEDTA
    7.
    发明授权
    Aqueous solution of a sodium salt of HEDTA 有权
    HEDTA钠盐水溶液

    公开(公告)号：US07211682B2

    公开(公告)日：2007-05-01

    申请号：US10563762

    申请日：2004-07-13

    申请人： Martin Heus ,  Hans Lammers ,  Jim Lepage

    发明人： Martin Heus ,  Hans Lammers ,  Jim Lepage

    IPC分类号： C07F15/00 ,  C07C229/00 ,  C09K3/00

    CPC分类号： C07C227/18 ,  B01D61/445 ,  C02F1/683 ,  C02F2101/203 ,  C07C229/12 ,  C07C229/76

    摘要： The invention pertains to an aqueous solution of a sodium salt xNa+ yH+ of the chelating compound of formula I: wherein x=2.1–2.7, y=0.9–0.3, and x+y=3. The invention further pertains to a container comprising at least 0.5 kg of said aqueous solution and to a method of preparing an aqueous solution comprising at least 45 wt % of the sodium salt xNa+ yH+ of the chelating compound of formula I from Na3-HEDTA, comprising the steps of electrodialysing an aqueous solution containing less than 42 wt % of Na3-HEDTA using a bipolar membrane, thereby converting the trisodium salt solution to the solution of the sodium salt of formula I with x=2.1–2.7, y=0.9–0.3, and x+y=3.

    摘要翻译： 本发明涉及式I的螯合化合物的钠盐水溶液，其中x = 2.1-2.7，y = 0.9-0.3， x + y = 3。 本发明还涉及包含至少0.5kg所述水溶液的容器和一种制备水溶液的方法，该水溶液包含至少45wt％的钠盐x Na +，H 2 O， 该方法包括以下步骤：使用含有少于42重量％的Na 3 -HEDTA的水溶液进行电渗析，步骤 由此将三钠盐溶液转化为式I的钠盐溶液，其中x = 2.1-2.7，y = 0.9-0.3，x + y = 3。

    Coated Particles of a Glumatic Acid N,N-Diacetate Chelating Agent
    8.
    发明申请
    Coated Particles of a Glumatic Acid N,N-Diacetate Chelating Agent 审中-公开
    糖酸N，N-二乙酸螯合剂的包衣颗粒

    公开(公告)号：US20130209806A1

    公开(公告)日：2013-08-15

    申请号：US13703828

    申请日：2011-06-27

    申请人： Cornelis Elizabeth Johannus Van Lare ,  Martin Heus

    发明人： Cornelis Elizabeth Johannus Van Lare ,  Martin Heus

    IPC分类号： C11D17/00

    CPC分类号： C11D17/0039 ,  C08J3/126 ,  C08J2429/04 ,  C11D3/33 ,  Y10T428/2991 ,  Y10T428/2993

    摘要： The present invention relates to a coated particle containing a particle and a coating, wherein the particle contains glutamic acid N,N-diacetic acid or a partial salt thereof of the formula HnYm-GLDA, wherein Y is a cation, selected from the group of sodium, potassium and mixtures thereof, n+m=4, and wherein the coating contains at least one salt that contains as a cation at least one of sodium, potassium or lithium and as anion at least one of silicate sulfate, carbonate, chloride, nitrate, percarbonate, glycolate, oxalate, citrate, stearate, lactate, succinate, malonate, maleate, diglycolate, and fumarate, to a process to prepare such a particle, and, to the use thereof.

    摘要翻译： 本发明涉及含有颗粒和涂层的涂覆颗粒，其中颗粒含有谷氨酸N，N-二乙酸或其分子式为HnYm-GLDA的部分盐，其中Y为阳离子，其选自 钠，钾及其混合物，n + m = 4，并且其中所述涂层含有至少一种盐，所述盐含有作为阳离子的钠，钾或锂中的至少一种，并且作为阴离子含有硫酸盐，碳酸盐，氯化物， 硝酸盐，过碳酸盐，乙醇酸盐，草酸盐，柠檬酸盐，硬脂酸盐，乳酸盐，琥珀酸盐，丙二酸盐，马来酸盐，二乙醇酸盐和富马酸盐）的混合物制备这种颗粒的方法及其用途。