General Electric Company
MALEIC ANHYDRIDE COPOLYMER WITH BROADLY DISPERSED ESTER SIDE CHAIN AS WAX INHIBITOR AND WAX CRYSTALLIZATION ENHANCER

Abstract:

A wax inhibitor composition, the composition having at least one alpha-olefin maleic anhydride copolymer of the formula: ##STR00001## wherein R.sub.1 is selected from hydrocarbyl groups containing 10-30 carbon atoms, and R.sub.2 is selected from a hydrogen or hydrocarbyl groups containing 10-80 carbon atoms, and R.sub.2, if not hydrogen, is broadly dispersed, wherein R.sub.2 comprises a weight fraction of carbon numbers greater than 30, wherein R.sub.2 can be the same or different, and n is a number of repeating units ranging from 1 to 100.