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87 条记录 (耗时 0.024 秒)

    Liquid antioxidants as stabilizers
    16.
    发明授权
    Liquid antioxidants as stabilizers 失效
    液体抗氧化剂作为稳定剂

    公开(公告)号：US6015899A

    公开(公告)日：2000-01-18

    申请号：US847995

    申请日：1997-04-21

    申请人： Paul Dubs ,  Roger Martin ,  Samuel Evans

    发明人： Paul Dubs ,  Roger Martin ,  Samuel Evans

    IPC分类号： C07C69/28 ,  C07C67/62 ,  C07C69/30 ,  C07C69/732 ,  C07C215/08 ,  C07C323/12 ,  C08K5/00 ,  C08K5/134 ,  C08K5/3435 ,  C09K15/08 ,  C07D265/30 ,  C07D211/20 ,  C07D307/94

    CPC分类号： C08K5/3435 ,  C07C215/08 ,  C07C323/12 ,  C07C67/62 ,  C07C69/732 ,  C08K5/005 ,  C08K5/134 ,  C09K15/08

    摘要： Products are described which can be obtained by reacting components a), b) and c), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II and component c) is a compound of the formula III or a mixture of compounds of the formula III, ##STR1## in which the general symbols are as defined in claim 1, the compound of the formula I being, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,4-propanediol, diethylene glycol, triethylene glycol, diethanolamine or glycerol, the compound of the formula II being, for example, sunflower oil or coconut fat, and the compound of the formula III being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate. The abovementioned products can be used as liquid antioxidants in polymers and lubricants.

    摘要翻译： 描述了通过使组分a），b）和c）反应得到的产物，其中组分a）是式I化合物或式I化合物的混合物，组分b）是式II化合物 或式II和组分c）的化合物的混合物是式III化合物或式III化合物的混合物，其中一般符号如权利要求1所定义，式I化合物为， 例如季戊四醇，硫二甘醇，1,4-丁二醇，1,4-丙二醇，二甘醇，三甘醇，二乙醇胺或甘油，式II化合物为例如向日葵油或椰子油，化合物 式III的化合物是例如3-（3'，5'-二叔丁基-4'-羟基苯基）丙酸甲酯。 上述产品可用作聚合物和润滑剂中的液体抗氧化剂。

    Process for the preparation of hydroxyphenylpropionic acid esters
    17.
    发明授权
    Process for the preparation of hydroxyphenylpropionic acid esters 失效
    羟基苯丙酸酯的制备方法

    公开(公告)号：US5206414A

    公开(公告)日：1993-04-27

    申请号：US876813

    申请日：1992-04-29

    申请人： Samuel Evans ,  Paul Dubs ,  Milos Rusek ,  Zdenek Mazour ,  Arpad Major

    发明人： Samuel Evans ,  Paul Dubs ,  Milos Rusek ,  Zdenek Mazour ,  Arpad Major

    IPC分类号： C07C67/03 ,  C07C67/347 ,  C07C69/732

    CPC分类号： C07C67/03 ,  C07C67/347

    摘要： A process for the preparation of compounds of the general formula ##STR1## where R.sub.1 and R.sub.2 are identical or different and are hydrogen, C.sub.1 -C.sub.18 alkyl, phenyl, C.sub.1 -C.sub.4 alkyl-substituted phenyl, C.sub.7 -C.sub.9 phenylalkyl, C.sub.5 -C.sub.12 cycloalkyl or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.12 cycloalkyl,R.sub.3 is hydrogen or methyl,m is 0, 1, 2 or 3, andn is a number from 1 to 4 or 6, andA is as defined in the description,by reacting a compound of the formula II ##STR2## where m, R.sub.1 and R.sub.2 are as defined above, with a compound of the formula III ##STR3## where A and n are as defined in the description, which comprises carrying out the reaction in the presence of a catalyst which contains, as active material, an alkali metal compound of the formula IVM.sub.m An (IV)in whichM is Li, Na, K, Rb or Cs,m is the valency of An, andAn is a fluoride, hydroxide, phosphate, formate, acetate or --OR.sub.5 radical, andR.sub.5 is alkyl having 1 to 4 carbon atoms or phenyl,and, as support, an alkaline material which, measured in 10% strength by weight aqueous suspension, has a pH>10, selected from one or more groups of substances from the series comprising the alkaline earth metal oxides, hydroxides, aluminates or silicates.

    摘要翻译： 制备通式为（I）的化合物的方法，其中R 1和R 2相同或不同，为氢，C 1 -C 18烷基，苯基，C 1 -C 4烷基取代的苯基，C 7 -C 9苯基烷基，C 5 -C 12环烷基或 C 1 -C 4烷基取代的C 5 -C 12环烷基，R 3是氢或甲基，m是0,1,2或3，n是1至4或6的数，A如说明书中所定义，通过化合物 式（II）其中m，R 1和R 2如上定义，与式IIIA（H）n，（III）的化合物反应，其中A和n如说明书中所定义，其包含 在含有M为Li，Na，K，Rb或Cs的式IV MmAn（IV）的碱金属化合物作为活性物质的催化剂存在下进行反应，m为An的化合价， 并且An是氟化物，氢氧化物，磷酸盐，甲酸盐，乙酸盐或-OR 5基团，R 5是具有1至4个碳原子的烷基或苯基，作为载体，碱性物质以10％ 重量百分比的含水悬浮液，pH> 10，选自一组或多组来自包含碱土金属氧化物，氢氧化物，铝酸盐或硅酸盐的系列的物质。

    Liquid polyfunctional additives
    20.
    发明授权
    Liquid polyfunctional additives 失效
    液体多官能添加剂

    公开(公告)号：US06448208B1

    公开(公告)日：2002-09-10

    申请号：US09622707

    申请日：2000-08-21

    申请人： Paul Dubs ,  Roger Martin ,  Samuel Evans ,  Stephan Allenbach ,  Marc Ribeaud

    发明人： Paul Dubs ,  Roger Martin ,  Samuel Evans ,  Stephan Allenbach ,  Marc Ribeaud

    IPC分类号： C10M15916

    CPC分类号： C09K15/08 ,  C08K5/1345 ,  C08K5/375

    摘要： A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II, component c) is a component of the formula IIIa and/or of the formula IIIb or a mixture of compounds of the formula IIIa and/or IIIb, and component d) is a compound of the formula IV or a mixture of compounds of the formula IV, in which the general symbols are as defined therein, where the compound of the formula I is, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,2-propanediol, diethylene glycol, triethylene glycol, 1,1,1-tris(hydroxymethyl)ethane, 2,2-dimethyl-1,3-propanediol or glycerol, the compound of the formula II is, for example, methyl 3-(3′,5′-di-tert-butyl-4′-hydroxyphenyl)propionate or methyl 3-(3′-tert-butyl-4′-hydroxy-5′-methylphenyl)-propionate, the compound of the formula IIIa is, for example, methyl pelargonate or methyl laurate and the compound of the formula IIIb is, for example, 2-dodecenylsuccinic anhydride, and the compound of the formula IV is, for example, C8-C30alkylbenzene or an alkane of 12 to 30 carbon atoms. These products can be employed as liquid antioxidants in fuels and polymers and as antifriction additives in lubricants.

    摘要翻译： 给出了通过使组分a），b），c）和（如果需要）d）反应获得的产物的描述，其中组分a）是式I化合物或式I化合物的混合物，组分b） 是式II的化合物或式II化合物的混合物，组分c）是式IIIa和/或式IIIb的组分或式IIIa和/或IIIb的化合物的混合物，以及组分 d）是式Ⅳ的化合物或式Ⅳ化合物的混合物，其中一般符号如上定义，其中式Ⅰ化合物是例如季戊四醇，硫代二甘醇， 丁二醇，1,2-丙二醇，二甘醇，三甘醇，1,1,1-三（羟甲基）乙烷，2,2-二甲基-1,3-丙二醇或甘油，式II化合物为 ，3-（3'，5'-二叔丁基-4'-羟基苯基）丙酸甲酯或3-（3'-叔丁基-4'-羟基-5'-甲基苯基）丙酸甲酯，化合物 的fo 糠醛IIIa例如是壬酸甲酯或月桂酸甲酯，式IIIb化合物是例如2-十二碳烯基琥珀酸酐，式Ⅳ化合物是例如C 8 -C 30烷基苯或12〜 30个碳原子。 这些产品可用作燃料和聚合物中的液体抗氧化剂以及润滑剂中的减摩添加剂。