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.
Patent No.:
Date of Patent:
Jul. 13, 2021
Filed:
May. 16, 2017
Basf SE, Ludwigshafen am Rhein, DE;
Irene Troetsch-Schaller, Ludwigshafen, DE;
Ivette Garcia Castro, Ludwigshafen, DE;
Michael Schroers, Ludwigshafen, DE;
Uwe Rebholz, Ludwigshafen, DE;
Dieter Faul, Ludwigshafen, DE;
Anke Oswald, Ludwigshafen, DE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
The present invention relates to a copolymer obtainable by copolymerization of (A) at least one unsaturated dicarboxylic acid or derivatives thereof, (B) at least one α-olefin having from at least 6 up to and including 20 carbon atoms, (C) optionally at least one C- to C-alkyl ester of acrylic acid or methacrylic acid or a mixture of such alkyl esters and (D) optionally one or more further copolymerizable monomers other than monomers (A), (B) and (C), with a molar incorporation ratio of (A):(B):(C):(D) of 1:0.5 to 2.0:0 to less than 0.5:0 to 0.1 followed by the reaction with at least one dialkylamine (E), where the two alkyl radicals in the at least one dialkylamine (E) are independently alkyl radicals having at least 17 up to 30 carbon atoms.