Polymeric compositions as pour point depressants for crude oils

US10287384B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Ivette Garcia Castro · Ludwigshafen, DE
• Kai Gumlich · Mannheim, DE
• Stefan Frenzel · Weinheim, DE
• Maria Heuken · Schwarzheide, DE
• Rouven Konrad · Mörstadt, DE
• Karin Neubecker · Bischofswerda, DE

Key dates

• Filing date: Sep 17, 2015
• Grant date: May 14, 2019
• Expiry date: Apr 7, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2030/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Polymeric compositions obtainable by free-radical polymerization of at least two different alkyl (meth)acrylates in the presence of at least one ethylene-vinyl ester copolymer, the alkyl (meth)acrylates used being a mixture comprising alkyl (meth)acrylates having linear C12- to C60-alkyl radicals and different alkyl (meth)acrylates having linear C1- to C11-alkyl radicals and/or branched C4- to C60-alkyl radicals and/or cyclic C5- to C20-alkyl radicals. The use of such polymeric compositions as pour point depressants for crude oils, mineral oils or mineral oil products.