WAX-CONTAINING CRUDE OIL OR FUEL OIL COMPRISING A POUR POINT DEPRESSANT

摘要

A B S T R A C TA WAX-CONTAINING CRUDE OIL OR FUEL OIL COMPRISINGA POUR POINT DEPRESSANTA wax-containing crude oil or a wax-containing fuel oil, inparticular a wax-containing residual fuel oil, comprising a smallamount of a polymer having predominantly aliphatic hydrocarbonside chains of at least 14 carbon atoms, characterized in that thepolymer has a branched backbone. This polymer shows an excellentpour point depression at low concentrations.