Use of complexing agents for the prevention of asphaltene and/or naphthenate-precipitation from crude oil, comprising oil-soluble, divalent complexing agent

摘要

Use of complexing agents (A) for the prevention of asphaltene and/or naphthenate-precipitation from crude oil, comprising at least one oil-soluble, at least divalent complexing agent, provided that the solubility of the complexing agent in 2-propylheptanol at room temperature is at least 50 g/kg, is claimed.