The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 21, 2017

Filed:

Dec. 17, 2013
Applicant:

Basf SE, Ludwigshafen, DE;

Inventors:

Ivette Garcia Castro, Ludwigshafen, DE;

Kai Gumlich, Köln, DE;

Stefan Frenzel, Eislingen, DE;

Maria Heuken, Mannheim, DE;

Rouven Konrad, Mörstadt, DE;

Karin Neubecker, Frankenthal, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/524 (2006.01); C10L 10/16 (2006.01); E21B 43/16 (2006.01); C10G 71/00 (2006.01); C10M 145/14 (2006.01); C10M 159/00 (2006.01); C08F 220/18 (2006.01); C08F 255/02 (2006.01);
U.S. Cl.
CPC ...
C10G 71/00 (2013.01); C08F 220/18 (2013.01); C08F 255/026 (2013.01); C09K 8/524 (2013.01); C10L 10/16 (2013.01); C10M 145/14 (2013.01); C10M 159/005 (2013.01); C10L 2200/0438 (2013.01); C10L 2230/14 (2013.01); C10L 2250/04 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/022 (2013.01); C10N 2230/02 (2013.01);
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 C- to C-alkyl radicals and different alkyl (meth)acrylates having linear C- to C-alkyl radicals and/or branched C- to C-alkyl radicals and/or cyclic C- to C-alkyl radicals. The use of such polymeric compositions as pour point depressants for crude oils, mineral oils or mineral oil products.


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