Hydrogenation of a diarylketone to a diarylmethanol
    2.
    发明授权
    Hydrogenation of a diarylketone to a diarylmethanol 失效
    二芳基酮氢化成二芳基甲醇

    公开(公告)号:US4302435A

    公开(公告)日:1981-11-24

    申请号:US189059

    申请日:1980-09-22

    摘要: Process comprising contacting and reacting a diarylketone of the formula RCOR', wherein each of R and R' is aryl, the same or different, and hydrogen over at least a catalytic amount of lead-poisoned palladium catalyst, for example, Lindlar catalyst, at a hydrogen gage pressure in the range from about 150 kPa to about 15,000 kPa, preferably from about 340 kPa to about 3400 kPa, at a temperature in the range from about 50.degree. C. to about 200.degree. C., preferably from about 100.degree. C. to about 150.degree. C., to produce diarylmethanol of the formula RCHOHR', wherein R and R' are as defined above.

    摘要翻译: 方法包括使式RCOR'的二芳基酮接触和反应,其中R和R'中的每一个是至少催化量的铅中毒的钯催化剂,例如Lindlar催化剂上的芳基,相同或不同的氢, 约150kPa至约15,000kPa,优选约340kPa至约3400kPa范围内的氢计压力在约50℃至约200℃的温度范围内,优选约100℃ 在约150℃下,制备式RCHOHR'的二芳基甲醇,其中R和R'如上所定义。

    Method of making group VIII metal complex compounds
    3.
    发明授权
    Method of making group VIII metal complex compounds 失效
    制备VIII族金属络合物的方法

    公开(公告)号:US3966595A

    公开(公告)日:1976-06-29

    申请号:US468691

    申请日:1974-05-10

    摘要: Reverse osmosis is employed to remove neutral ligands (usually phosphines, phosphites, stibines or arsines) from solutions of dissociable Group VIII metal complexes whereby a ligand-deficient reactive complex (which may be further reacted) is obtained. The products are useful as catalysts and as absorbants for carbon monoxide or acetylene.

    摘要翻译: 反渗透用于从可解离的Ⅷ族金属络合物的溶液中除去中性配体(通常为膦,亚磷酸酯,锑或胂),从而获得配体缺陷反应性配合物(可进一步反应)。 该产品可用作催化剂和用作一氧化碳或乙炔的吸收剂。

    Catalytic process for making H.sub.2 O.sub.2 from hydrogen and oxygen
    5.
    发明授权
    Catalytic process for making H.sub.2 O.sub.2 from hydrogen and oxygen 失效
    从氢气和氧气中制备H2O2的催化过程

    公开(公告)号:US4681751A

    公开(公告)日:1987-07-21

    申请号:US726695

    申请日:1985-04-22

    CPC分类号: C01B15/029 B01J23/44

    摘要: A process for making hydrogen peroxide from hydrogen and oxygen at superatmospheric pressures employing, as catalyst, Pd on adsorbent carbon, the reaction being run in an aqueous medium comprising substantially no organic component.

    摘要翻译: 使用氢气和氧气在超大气压下使用作为催化剂的Pd在吸附剂碳上制备过氧化氢的方法,该反应在基本上不含有机组分的水性介质中进行。

    Preparation of hydrogen peroxide
    6.
    发明授权
    Preparation of hydrogen peroxide 失效
    过氧化氢的制备

    公开(公告)号:US4303632A

    公开(公告)日:1981-12-01

    申请号:US103061

    申请日:1979-12-14

    摘要: Process comprising contacting and reacting a diarylmethanol having 13 to 25 carbon atoms and of the formula RCHOHR' wherein each of R and R' is aryl, the same or different, in the liquid state, at a temperature of about 130.degree.-260.degree. C., with gaseous oxygen to produce hydrogen peroxide and diaryl ketone of the formula RCOR' wherein R and R' are the same as above.

    摘要翻译: 方法包括使具有13至25个碳原子和式RCHOHR'的二芳基甲醇接触和反应,其中R和R'各自为液态的相同或不同的,在约130-260℃的温度 用气态氧产生过氧化氢和式RCOR'的二芳基酮,其中R和R'与上述相同。

    Production of glyoxylic acid from glycolic acid
    7.
    发明授权
    Production of glyoxylic acid from glycolic acid 失效
    从乙醇酸生产乙醛酸

    公开(公告)号:US5219745A

    公开(公告)日:1993-06-15

    申请号:US705419

    申请日:1991-05-24

    IPC分类号: C12P7/40

    CPC分类号: C12P7/40

    摘要: A process for the production of glyoxylic acid involving the enzymatic oxidation of glycolic acid. The process provides a commercially practical method involving the reaction of glycolic acid in an aqueous solution at a starting concentration range of 200 mM to 2,500 mM in the presence of oxygen, glycolate oxidase and catalase at a pH of 7 to 10 and in the presence of an amine such as ethylenediamine, or tris(hydroxymethyl)-methylamine.

    摘要翻译: 涉及乙醇酸酶促氧化的乙醛酸的生产方法。 该方法提供了一种商业上实用的方法,其涉及在氧气,乙醇酸氧化酶和过氧化氢酶的存在下,在pH为7至10的条件下,以200mM至2,500mM的起始浓度范围的乙醇酸反应, 胺如乙二胺或三(羟甲基) - 甲基胺。

    Method for catalytic production of hydrogen peroxide
    9.
    发明授权
    Method for catalytic production of hydrogen peroxide 失效
    催化生产过氧化氢的方法

    公开(公告)号:US5135731A

    公开(公告)日:1992-08-04

    申请号:US700684

    申请日:1991-05-15

    IPC分类号: C01B15/029 C01B15/037

    CPC分类号: C01B15/029 C01B15/037

    摘要: An improved process for directly producing hydrogen peroxide from oxygen and hydrogen is disclosed. Hydrogen and oxygen are contacted in the presence of a catalyst, acid, halide ions and a multifunctional phosphonate or phosphate preparation so as to increase hydrogen peroxide yield and decrease catalyst deactivation.

    摘要翻译: 公开了一种从氧气和氢气直接生产过氧化氢的改进方法。 在催化剂,酸,卤离子和多官能膦酸酯或磷酸盐制剂的存在下使氢和氧接触,以增加过氧化氢产率并降低催化剂失活。