AQUEOUS SOLUTIONS CONTAINING A COMPLEXING AGENT IN HIGH CONCENTRATION
    2.
    发明申请
    AQUEOUS SOLUTIONS CONTAINING A COMPLEXING AGENT IN HIGH CONCENTRATION 审中-公开
    含有高浓度复合剂的水溶液

    公开(公告)号:US20160097020A1

    公开(公告)日:2016-04-07

    申请号:US14892820

    申请日:2014-05-13

    Applicant: BASF SE

    CPC classification number: C11D3/3723 C11D3/33 C11D7/3245 F17D1/08

    Abstract: Aqueous solution comprising (A) in the range of from 30 to 60% by weight of a complexing agent, selected from the alkali metal salts of methylglycine diacetic acid and the alkali metal salts of glutamic acid diacetic acid, (B) in the range of from 700 ppm to 7% by weight of a polymer being selected from polyamines, the N atoms being partially or fully substituted with CH2COOH groups, partially or fully neutralized with alkali metal cations, ppm and percentages referring to the total respective aqueous solution

    Abstract translation: 水溶液,其包含(A)30-60重量%的选自甲基甘氨酸二乙酸的碱金属盐和谷氨酸二乙酸的碱金属盐的络合剂,(B)的范围为 从700ppm至7wt%的选自多胺的聚合物,N原子部分或完全被CH 2 COOH基团取代,部分或完全用碱金属阳离子中和,ppm和百分比指总相应的水溶液

    METHOD FOR PRODUCING AMINO ACIDS
    5.
    发明申请
    METHOD FOR PRODUCING AMINO ACIDS 有权
    生产氨基酸的方法

    公开(公告)号:US20160122288A1

    公开(公告)日:2016-05-05

    申请号:US14893661

    申请日:2014-05-14

    Applicant: BASF SE

    CPC classification number: C07C227/08 C07C229/24 C07C229/22 C07C229/08

    Abstract: Process for the preparation of alkali metal salts of glycine or of racemic α-amino acids of the general formula (I) R1—CH(NH2)—COOH  (I) in which R1 is selected from hydrogen, CH3 , C2H5, CH(CH3)2, (CH2)2COOH and CH2OH, wherein an alkali metal salt of the corresponding α-ketocarboxylic acid or glyoxalic acid is reacted in the presence of at least one heterogeneous catalyst, which comprises at least one transition metal, in the presence of hydrogen with at least one nitrogen compound at temperatures in the range from 50 to 200° C., where the nitrogen compound is selected from primary and secondary amines and ammonia.

    Abstract translation: 制备甘氨酸碱金属盐或通式(I)R 1 -CH(NH 2)-COOH(I)的外消旋α-氨基酸的方法,其中R 1选自氢,CH 3,C 2 H 5,CH(CH 3) )2,(CH 2)2 COOH和CH 2 OH,其中相应的α-酮羧酸或乙醛酸的碱金属盐在至少一种包含至少一种过渡金属的非均相催化剂存在下,在氢气存在下反应 与至少一种氮化合物在50至200℃的温度范围内,其中氮化合物选自伯胺和仲胺和氨。

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