GRAFT MODIFIED VINYL ESTER AND ETHYLENE POLYMERS, PREPARATION METHOD THEREOF AND USE OF SAME AS ADDITIVES THAT IMPROVE THE COLD PROPERTIES OF LIQUID HYDROCARBONS
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Jul 25, 2008
filing date -
Jul 27, 2007
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Abandoned
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Abstract
This disclosure concerns the synthesis and use of novel polymers based on ethylene and vinyl esters, modified by conjugation to improve their solubility in liquid hydrocarbons, as double-purpose additives to improve the filterability and flow of liquid hydrocarbons at low temperatures, in particular for middle distillates derived from the distillation of petroleum and crude oil.
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