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:
Dec. 25, 2012
Filed:
Nov. 16, 2007
Frank-olaf Maehling, Mannheim, DE;
Thomas Pfeiffer, Boehl-Iggelheim, DE;
Uwe Rebholz, Mehlingen, DE;
Irene Troetsch-schaller, Bissersheim, DE;
Thomas Zelinski, Neuleiningen, DE;
Frank-Olaf Maehling, Mannheim, DE;
Thomas Pfeiffer, Boehl-Iggelheim, DE;
Uwe Rebholz, Mehlingen, DE;
Irene Troetsch-Schaller, Bissersheim, DE;
Thomas Zelinski, Neuleiningen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to the use of polymers which comprise, in copolymerized form, an α-olefin, at least one alkenyl ester and at least one ester of an α,β-unsaturated carboxylic acid with higher alcohols as an additive for fuel oils and lubricants and especially as a cold flow improver in fuel oils; to the fuel oils and lubricants additized with these polymers; and to additive packages comprising such copolymers. The invention also relates to quaternary and higher copolymers which comprise the abovementioned monomers in copolymerized form.