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    Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions
    1.
    发明授权
    Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions 有权

    公开(公告)号：US06337298B1

    公开(公告)日：2002-01-08

    申请号：US09248655

    申请日：1999-02-11

    申请人： Jerry R. Ebner ,  Mark A. Leiber ,  Kam-To Wan ,  Peter E. Rogers ,  Jingyue Liu ,  Anthony Woods

    发明人： Jerry R. Ebner ,  Mark A. Leiber ,  Kam-To Wan ,  Peter E. Rogers ,  Jingyue Liu ,  Anthony Woods

    IPC分类号： B01J2118

    摘要： This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic oxidative environment and in the presence of solvents, reactants, intermediates, or products which solubilize noble metals; a process for the preparation of the improved catalyst; a liquid phase oxidation process using such a catalyst wherein the catalyst exhibits improved resistance to noble metal leaching, particularly in acidic oxidative environments and in the presence of solvents, reactants, intermediates, or products which solubilize noble metals; and a liquid phase oxidation process in which N-(phosphonomethyl)iminodiacetic acid (i.e., “PMIDA”) or a salt thereof is oxidized to form N-(phosphonomethyl)glycine (i.e., “glyphosate”) or a salt thereof using such a catalyst wherein the oxidation of the formaldehyde and formic acid by-products into carbon dioxide and water is increased.

    Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions
    3.
    发明授权
    Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions 有权
    深度还原氧化催化剂及其用于催化液相氧化反应的用途

    公开(公告)号：US06417133B1

    公开(公告)日：2002-07-09

    申请号：US09248655

    申请日：1999-02-11

    申请人： Jerry R. Ebner ,  Mark A. Leiber ,  Kam-To Wan ,  Peter E. Rogers ,  Jingyue Liu ,  Anthony Woods

    发明人： Jerry R. Ebner ,  Mark A. Leiber ,  Kam-To Wan ,  Peter E. Rogers ,  Jingyue Liu ,  Anthony Woods

    IPC分类号： B01J2118

    CPC分类号： B01J23/56 ,  B01J21/18 ,  B01J23/40 ,  C07F9/3813 ,  Y02P20/582

    摘要： This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic oxidative environment and in the presence of solvents, reactants, intermediates, or products which solubilize noble metals; a process for the preparation of the improved catalyst; a liquid phase oxidation process using such a catalyst wherein the catalyst exhibits improved resistance to noble metal leaching, particularly in acidic oxidative environments and in the presence of solvents, reactants, intermediates, or products which solubilize noble metals; and a liquid phase oxidation process in which N-(phosphonomethyl)iminodiacetic acid (i.e., “PMIDA”) or a salt thereof is oxidized to form N-(phosphonomethyl)glycine (i.e., “glyphosate”) or a salt thereof using such a catalyst wherein the oxidation of the formaldehyde and formic acid by-products into carbon dioxide and water is increased.

    摘要翻译： 本发明涉及一种改进的催化剂，其包括在其表面具有贵金属的碳载体，用于催化液相氧化反应，特别是在酸性氧化环境中和在溶剂存在下，反应物，中间体或溶解产物 贵金属; 改进的催化剂的制备方法; 使用这种催化剂的液相氧化方法，其中催化剂表现出改善的贵金属浸出耐受性，特别是在酸性氧化环境和溶剂存在下，反应物，中间体或增溶贵金属的产物; 和其中N-（膦酰基甲基）亚氨基二乙酸（即“PMIDA”）或其盐被氧化以形成N-（膦酰基甲基）甘氨酸（即“草甘膦”）或其盐的液相氧化方法， 催化剂，其中甲醛和甲酸副产物氧化成二氧化碳和水增加。