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4 条记录 (耗时 0.014 秒)

    4-(4'-Hydroxycyclohexyl)-2,2,6,6-tetramethyl piperidines
    1.
    发明授权
    4-(4'-Hydroxycyclohexyl)-2,2,6,6-tetramethyl piperidines 失效
    4-（4- {40-羟基环己基）-2,2,6,6-四甲基哌啶

    公开(公告)号：US3954779A

    公开(公告)日：1976-05-04

    申请号：US456919

    申请日：1974-04-01

    申请人： Malcolm John Smith ,  Donald Richard Randell

    发明人： Malcolm John Smith ,  Donald Richard Randell

    IPC分类号： C08K5/00 ,  C07D211/22 ,  C07D211/94 ,  C08K5/3412 ,  C08K5/3435 ,  C08L23/00 ,  C08L101/00 ,  C09K15/30

    CPC分类号： C08K5/3435 ,  C07D211/22 ,  C07D211/94

    摘要： A compound having the formula:- ##SPC1##And salts thereof, wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each is hydrogen, an alkyl residue having from 1 to 9 carbon atoms, a cycloalkyl residue having from 5 to 14 carbon atoms or a cycloalkyl-alkyl residue having from 7 to 14 carbon atoms, Y is hydrogen, 0.degree., an alkyl residue having from 1 to 4 carbon atoms, or an aralkyl residue having from 7 to 12 carbon atoms and Z is hydrogen, an unsubstituted or substituted alkyl residue having from 1 to 20 carbon atoms, an alkenyl or alkynyl residue having from 2 to 20 carbon atoms, a cycloalkyl residue having from 5 to 12 carbon atoms, an aralkyl residue having from 7 to 12 carbon atoms, an aryl residue having from 6 to 12 carbon atoms, or the group having the formula: wherein Z.sub.1 has the same significance as Z as hereinbefore defined, or Z.sub.1 is a group --NR.sub.5 R.sub.6 wherein R.sub.5 is hydrogen or an alkyl residue having from 1 to 4 carbon atoms and R.sub.6 is hydrogen, an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 5 to 12 carbon atoms, an aralkyl residue having from 7 to 12 carbon atoms or an aryl residue having from 6 to 12 carbon atoms having light stabilising activity.

    摘要翻译： 具有下式的化合物：

    Treatment of aqueous systems
    4.
    发明授权
    Treatment of aqueous systems 失效
    水系统的处理

    公开(公告)号：US4046707A

    公开(公告)日：1977-09-06

    申请号：US582402

    申请日：1975-05-29

    申请人： Malcolm John Smith ,  Peter Miles ,  Norman Richardson ,  Michael Anthony Finan

    发明人： Malcolm John Smith ,  Peter Miles ,  Norman Richardson ,  Michael Anthony Finan

    IPC分类号： C02F5/00 ,  C02F5/08 ,  C02F5/10 ,  C02F5/14 ,  C23F11/167 ,  C23F14/02 ,  C02B5/06

    CPC分类号： C23F11/167 ,  C02F5/14

    摘要： A method of inhibiting the precipitation of scale-forming salts of calcium, magnesium, barium and strontium from aqueous systems comprising adding to the aqueous system a telomeric compound of the formula: ##STR1## or salts thereof, wherein R.sup.11 is hydrogen, methyl or ethyl, R is hydrogen, 1-18C alkyl, 5-12C cycloalkyl, aryl, aralkyl, a residue of formula: ##STR2## wherein R.sup.11 has its previous significance and the sum of n + m is an integer of at most 100, or a residue --OX wherein X is hydrogen or 1-4C alkyl, and R.sup.1 is a residue --OX wherein X has its previous significance.

    摘要翻译： 一种抑制水性体系中钙，镁，钡和锶的结垢形成盐沉淀的方法，包括向水性体系中加入下式的端粒化合物或其盐，其中R 11是氢，甲基或乙基 ，R为氢，1-18C烷基，5-12C环烷基，芳基，芳烷基，下式的残基：其中R11具有其先前的含义，n + m的和为至多100的整数，或 残基-OX，其中X是氢或1-4C烷基，R1是残基-OX，其中X具有其先前的含义。