Cloud point depressants for middle distillate fuels
    11.
    发明授权
    Cloud point depressants for middle distillate fuels 失效
    中间馏分燃料的浊点抑制剂

    公开(公告)号:US6143043A

    公开(公告)日:2000-11-07

    申请号:US351652

    申请日:1999-07-13

    Inventor: Maged G. Botros

    CPC classification number: C10L1/1966 C10L1/2364

    Abstract: An additive for distillate and a fuel composition having improved cloud point depressant properties. The additive is incorporated into a major proportion of distillate fuel and is a maleic anhydride .alpha.-olefin copolymer or a polyimide having the following structure: ##STR1## wherein R has at least 80% by weight of a hydrocarbon substituent from about 14 to about 16 carbons, X is oxygen or ##STR2## wherein N is nitrogen and R' has at least 80% by weight of a hydrocarbon substituent from 16 to 18 carbons, and n is from about 2 to about 30 when X is oxygen, and from about 2 to about 17 when X is ##STR3## Alternatively, the cloud point additive can be an ethylene vinyl acetate isobutylene terpolymer.

    Abstract translation: 用于馏出物的添加剂和具有改善的浊点抑制剂性质的燃料组合物。 添加剂被加入到主要比例的馏出物燃料中,并且是具有以下结构的马来酸酐α-烯烃共聚物或聚酰亚胺:其中R具有至少80重量%的从约14至约16个碳的烃取代基,X 是氧或其中N是氮,R'具有至少80重量%的碳原子数为16〜18的烃取代基,当X为氧时,n为约2〜约30,当X为氧时为约2〜约17 或者,浊点添加剂可以是乙烯乙酸乙烯酯异丁烯三元共聚物。

    Fuel additive compositions and distillate fuels containing same
    18.
    发明授权
    Fuel additive compositions and distillate fuels containing same 失效
    燃料添加剂组合物和含有它的馏出燃料

    公开(公告)号:US06673131B2

    公开(公告)日:2004-01-06

    申请号:US10051583

    申请日:2002-01-17

    Inventor: Maged G. Botros

    CPC classification number: C10L1/146 C10L1/1973 C10L1/2364

    Abstract: Improved fuel additives and distillate fuels containing said additives are described. The additives impart improved low temperature flow and filterability and also impart stability to distillate fuels, particularly hard-to-treat distillate fuels. The additives are a combination of an olefin/vinyl carboxylate polymer and two specific polyimides having different alkyl substituents.

    Abstract translation: 描述了含有所述添加剂的改进的燃料添加剂和馏出燃料。 添加剂赋予改善的低温流动性和过滤性,并且还赋予馏出燃料,特别是难以处理的馏出燃料的稳定性。 添加剂是烯烃/羧酸乙烯酯聚合物和具有不同烷基取代基的两种特定聚酰亚胺的组合。

    Cold flow improvers for distillate fuel compositions
    19.
    发明授权
    Cold flow improvers for distillate fuel compositions 失效
    用于馏出燃料组合物的冷流改进剂

    公开(公告)号:US06203583B1

    公开(公告)日:2001-03-20

    申请号:US09311459

    申请日:1999-05-13

    Inventor: Maged G. Botros

    CPC classification number: C10L1/18 C10L1/146

    Abstract: An additive combination for distillate fuels and a fuel composition having improved cold flow properties. The additive combination is incorporated into a major proportion of distillate fuel and is comprised of an ethylene vinyl acetate isobutylene terpolymer in combination with one or more of a maleic anhydride &agr;-olefin copolymer component, a polyimide component, and an alkyl phenol component each having one or more hydrocarbon substituents within specified carbon number ranges. Optionally, an ethylene vinyl acetate copolymer may also be incorporated as a component therein.

    Abstract translation: 用于馏出燃料的添加剂组合和具有改进的冷流特性的燃料组合物。 添加剂组合被掺入主要部分的馏出燃料中,并且由乙烯乙酸乙烯酯异丁烯三元共聚物与一种或多种马来酸酐α-烯烃共聚物组分,聚酰亚胺组分和烷基酚组分组成,每一种具有一个 或更多的烃取代基。 任选地,也可以将乙烯 - 乙酸乙烯酯共聚物作为组分引入其中。

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