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87 条记录 (耗时 0.032 秒)

    Liquid antioxidants as stabilizers
    52.
    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 hydroxyphenylcarboxylates
    57.
    发明授权
    Process for the preparation of hydroxyphenylcarboxylates 失效
    羟基苯基羧酸盐的制备方法

    公开(公告)号：US5481023A

    公开(公告)日：1996-01-02

    申请号：US129789

    申请日：1993-09-30

    申请人： Christoph Kleiner ,  Samuel Evans ,  Ralf Schmitt

    发明人： Christoph Kleiner ,  Samuel Evans ,  Ralf Schmitt

    IPC分类号： C07C67/02 ,  C07B61/00 ,  C07C67/03 ,  C07C69/612 ,  C07C69/732 ,  C07C69/84 ,  C07C69/88 ,  C07C69/76

    CPC分类号： C07C67/03

    摘要： There is disclosed a process for the preparation of compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 --C.sub.8 alkyl, m is 0, 1, 2 or 3, n is 1 or 2, and A, if n 32 1, is OR.sub.3, and R.sub.3 is C.sub.4 -C.sub.20 alkyl or C.sub.5 -C.sub.12 cycloalkyl, or A, if n=2, has the formula --O--C.sub.x H.sub.2x --O-- or --O--(CH.sub.2 CH.sub.2 O).sub.a CH.sub.2 CH.sub.2 O--, x is a number from 2 to 8 and a is a number from 1 to 12, by reacting a compound of formula II ##STR2## with a compound of formula III ##STR3## the reaction being carded out in the presence of an aluminium trialcoholate or triphenolate as catalyst.

    摘要翻译： 公开了制备式I化合物（I）的方法，其中R 1和R 2各自独立地为C 1 -C 8烷基，m为0,1,2或3，n为1或2， 和A，如果n 32 1是OR 3，并且R 3是C 4 -C 20烷基或C 5 -C 12环烷基，或A，如果n = 2，具有式-O-C x H 2 O- -O-或-O-（CH 2 CH 2 O）a CH 2 CH 2 O-， 通过使式II的化合物（II）与式IIIA（H）n的化合物反应，（III）的反应被梳理，x是2至8的数，a是1至12的数 在作为催化剂的铝醇化物或三酚铝的存在下。

    Phenol group-containing compounds as anti-oxidants in organic materials
    58.
    发明授权
    Phenol group-containing compounds as anti-oxidants in organic materials 失效
    含酚类化合物作为有机材料中的抗氧化剂

    公开(公告)号：US5354486A

    公开(公告)日：1994-10-11

    申请号：US114115

    申请日：1993-08-30

    申请人： Samuel Evans

    发明人： Samuel Evans

    IPC分类号： C07C59/52 ,  C07C69/732 ,  C08K5/00 ,  C08K5/134 ,  C08K5/17 ,  C08K5/3435 ,  C08K5/375 ,  C09K5/04 ,  C10M129/76 ,  C10M133/08 ,  C10M133/16 ,  C10M135/24

    CPC分类号： C09K5/04 ,  C07C59/52 ,  C07C69/732 ,  C08K5/005 ,  C08K5/1345 ,  C08K5/17 ,  C08K5/3435 ,  C08K5/375 ,  C10M129/76 ,  C10M133/08 ,  C10M133/16 ,  C10M135/24 ,  C10M2207/283 ,  C10M2207/287 ,  C10M2209/109 ,  C10M2215/042 ,  C10M2215/08 ,  C10M2215/082 ,  C10M2215/18 ,  C10M2215/22 ,  C10M2215/221 ,  C10M2215/225 ,  C10M2215/226 ,  C10M2215/28 ,  C10M2215/30 ,  C10M2219/084

    摘要： Compositions containing a) an organic material subject to oxidative, thermal or actinic degradation and b) compounds of general formula I ##STR1## wherein, for example, R.sup.1 is alkyl having from 1 to 18 carbon atoms, cycloalkyl having from 5 to 12 carbon atoms, phenyl or aralkyl having from 7 to 9 carbon atoms, R.sup.2 is --H, alkyl having from 1 to 18 carbon atoms, cycloalkyl having from 5 to 12 carbon atoms, phenyl or aralkyl having from 7 to 9 carbon atoms, and R.sup.3 is --H or CH.sub.3, and n is a number from 1 to 4 or 6, when n is 1, A is ##STR2## and, for example, R.sup.4 is --H, alkyl having from 1 to 45 carbon atoms, cycloalkyl having from 5 to 12 carbon atoms or alkenyl having from 2 to 18 carbon atoms, and each of R.sup.5 and R.sup.6, independently of the other, is --H, alkyl having from 1 to 20 carbon atoms, phenyl or cycloalkyl having from 5 to 12 carbon atoms, or, when n is 2, for example A is ##STR3## wherein a is a number from 1 to 30, x is a number from 2 to 20, B is, for example, --S--, and R.sup.7 and R.sup.8 are as defined above and b.sup.1 is a number from 2 to 10, or, when n is 3, A is ##STR4## or, when n is 4, A is ##STR5## or, when n is 6, A is ##STR6## The compounds exhibit anti-oxidative properties in the compositions. Some of the compounds are novel.

    摘要翻译： 含有a）有机材料经历氧化，热或光化学降解的组合物和b）通式I的化合物（I），其中例如R1是具有1至18个碳原子的烷基，具有5至 12个碳原子，具有7至9个碳原子的苯基或芳烷基，R 2是-H，具有1至18个碳原子的烷基，具有5至12个碳原子的环烷基，具有7至9个碳原子的苯基或芳烷基，以及 R 3为-H或CH 3，n为1至4或6的数，当n为1时，A为“A”，例如R 4为-H，具有1至45个碳原子的烷基， 5至12个碳原子或具有2至18个碳原子的烯基，R 5和R 6各自独立地为-H，具有1至20个碳原子的烷基，具有5至12个碳原子的苯基或环烷基 原子，或者当n为2时，例如A为O，其中a为1〜30的数，x为numb 呃从2到20，B是例如-S-，R7和R8如上所定义，b1是2到10的数，或者当n是3时，A是<或>，当n 是4，A是，1 .... OOor + RE ，或当n为6时，A是组合物中的。。。 一些化合物是新的。

    Process for the preparation of hydroxyphenylpropionic acid esters
    59.
    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。