Middle distillate fuel containing additive combination to increase low temperature flowability
专利汇可以提供Middle distillate fuel containing additive combination to increase low temperature flowability专利检索，专利查询，专利分析的服务。并且The low temperature flowability of a middle distillate petroleum fuel oil boiling within the range of about 250* to about 700* F. at atmospheric pressure is improved by adding to the fuel oil from about 0.1 to about 3 percent of an essentially saturated hydrocarbon fraction which is substantially free of normal paraffinic hydrocarbons and which has a number average molecular weight in the range of about 600 to about 3,000. The fuel oil also contains a polymeric additive, usually in a lesser amount than said high molecular weight paraffinic fraction, said polymeric additive being characterized by having an average of at least one long alkyl side chain for every four carbon atoms along the polymer chain. This additive combination is unique in that the polymeric additive does not interfere with the flow improving properties of the high molecular weight hydrocarbon, and the high molecular weight hydrocarbon does not interfere with the pour point depressing properties of the polymeric additive, whereas such interference is encountered when using other conventional polymeric pour depressants such as a copolymer of ethylene and an unsaturated ester.，下面是Middle distillate fuel containing additive combination to increase low temperature flowability专利的具体信息内容。
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