Additives for inhibiting gas hydrate formation
    1.
    发明授权
    Additives for inhibiting gas hydrate formation 有权
    用于抑制气体水合物形成的添加剂

    公开(公告)号:US06894007B2

    公开(公告)日:2005-05-17

    申请号:US10102584

    申请日:2002-03-20

    摘要: The invention relates to the use of compounds of the formula (1) in which R1 is C1- to C24-alkyl, C2- to C24-alkenyl or a C6- to C18-aryl radical which may be substituted by a C1- to C24-alkyl group, R2, R3 independently of one another, are hydrogen, C1- to C18-alkyl, or C8- to C7-cycloalkyl, or R2 and R3, including the nitrogen atom to which they are bonded, form a ring of 4 to 8 ring atoms, in which oxygen or nitrogen atoms may also be present in addition to carbon. A are identical or different C2- to C4-alkylene radicals, B is C1- to C7-alkylene, and n is an integer from 1-40, as gas hydrate inhibitors.

    摘要翻译: 本发明涉及式(1)化合物的用途,其中R 1为C 1〜C 24 - 烷基,C 可以被取代的C 24 - 亚烯基或C 6 -C 18 -C 18 - 芳基 通过C 1至C 24 - 烷基,R 2,R 3,R 3彼此独立地, 是氢,C 1至C 18 - 烷基或C 8 - 至C 7 - 环烷基, 或R 2和R 3,包括与它们键合的氮原子形成4至8个环原子的环,其中氧或氮原子也可以是 除了碳之外。 A是相同或不同的C 2〜C 4 - 亚烷基,B是C 1〜C 7 亚烷基,n为1-40的整数,作为气体水合物抑制剂。

    Synergistic mixtures of phosphoric esters with carboxylic acids or carboxylic acid derivatives as asphaltene dispersants
    2.
    发明授权
    Synergistic mixtures of phosphoric esters with carboxylic acids or carboxylic acid derivatives as asphaltene dispersants 失效
    磷酸酯与羧酸或羧酸衍生物作为沥青分散剂的协同混合物

    公开(公告)号:US06204420B1

    公开(公告)日:2001-03-20

    申请号:US09338966

    申请日:1999-06-24

    IPC分类号: C07C720

    CPC分类号: C09K8/524 Y10S507/929

    摘要: The invention relates to a synergistic mixture of A from 5 to 99% by weight of a carboxylic acid having more than 4 carbon atoms, an ethercarboxylic acid containing C18-C22-alkyl, C18-C22-alkenyl or C6-C18-alkylaryl substituents, an amidocarboxylic acid, or mixtures thereof, B from 1 to 95% by weight of a phosphoric mono- or diester, or mixtures thereof, which is substituted by C18-C22-alkyl, C18-C22-alkenyl, C6-C18-alkylaryl or alkoxylated groups, where the sum of components A and B is 100% by weight, to crude oils containing such mixtures, and to a process for dispersing asphaltenes in crude oils.

    摘要翻译: 本发明涉及5至99重量%的具有多于4个碳原子的羧酸,含有C 18 -C 22 - 烷基,C 18 -C 22 - 烯基或C 6 -C 18 - 烷芳基取代基的醚羧酸的协同混合物, 酰胺基羧酸或其混合物,B为1至95重量%的磷酸单酯或二酯或其混合物,其被C 18 -C 22 - 烷基,C 18 -C 22 - 烯基,C 6 -C 18 - 烷基芳基或烷氧基化 组分A和B的总和为100重量%的组合,含有这种混合物的原油,以及将沥青质分散在原油中的方法。

    Additives for inhibiting gas hydrate formation
    4.
    发明授权
    Additives for inhibiting gas hydrate formation 有权
    用于抑制气体水合物形成的添加剂

    公开(公告)号:US06566309B1

    公开(公告)日:2003-05-20

    申请号:US09562931

    申请日:2000-05-02

    IPC分类号: C09K300

    摘要: The invention relates to the use of compounds of the formula (1) in which R1 is C1-C30-alkyl, C2-C30-alkenyl or a group of the formula —CH2—CO—NR2R3 or a C6-C18-aryl radical which may be substituted by a C1-C12-alkyl group, R2, R3 independently of one another, are hydrogen, C1-C6-alkyl or C5-C7-cycloalkyl, or R2 and R3, including the nitrogen atom to which they are bonded, form a ring of 4 to 8 ring atoms, it being possible for the ring also to contain oxygen or nitrogen atoms in addition to carbon atoms, A is a C2-C4-alkylene radical and n is an integer from 1 to 20, as gas hydrate inhibitors.

    摘要翻译: 本发明涉及式(1)化合物的用途,其中R 1为C 1 -C 30 - 烷基,C 2 -C 30 - 烯基或式-CH 2 -CO-NR 2 R 3基团或C 6 -C 18 - 芳基,其可以 被C1-C12烷基,R2,R3彼此独立地取代为氢,C1-C6-烷基或C5-C7-环烷基,或R2和R3(包括它们所键合的氮原子)形成 4至8个环原子的环,除了碳原子之外,环也可以含有氧或氮原子,A是C 2 -C 4亚烷基,n是1至20的整数,作为气体水合物抑制剂 。

    Compound for inhibiting corrosion
    6.
    发明授权
    Compound for inhibiting corrosion 失效
    抑制腐蚀的化合物

    公开(公告)号:US06372918B1

    公开(公告)日:2002-04-16

    申请号:US09607819

    申请日:2000-06-30

    IPC分类号: C07D23314

    摘要: The invention relates to compounds of the formula 1 R1—O—(A—O)x—(CH2)y—R2  (1) in which R1 is branched or straight-chain C4-C30-alkyl, C4-C30-alkenyl or C4-C30-alkylaryl, A is C2-C4-alkylene, x is an integer from 1 to 100, y is 1, 2, 3 or 4 and R2 is a radical selected from structures of the formulae 2 and 3 —CO—NR3R4  (2) in which one of the radicals R3 and R4 is a hydrocarbon chain which has at least one free NH or NH2 group and the other radical is hydrogen or a hydrocarbon chain which has at least one free NH or NH2 group and R5 is hydrogen or a hydrocarbon chain which has at least one free NH or NH2 group.

    摘要翻译: 本发明涉及式1的化合物,其中R 1为支链或直链C 4 -C 30 - 烷基,C 4 -C 30 - 烯基或C 4 -C 30 - 烷基芳基,A为C 2 -C 4亚烷基,x为1至100的整数 ,y为1,2,3或4,R 2为选自式Ⅳ和Ⅳ的结构的基团,其中基团R 3和R 4中的一个为具有至少一个游离NH或NH 2基团的烃链,另一个基团为 氢或具有至少一个游离NH或NH 2基团的烃链,R 5是氢或具有至少一个游离NH或NH 2基团的烃链。