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. 01, 2020
Filed:
Mar. 08, 2017
Basf SE, Ludwigshafen am Rhein, DE;
Judith Christine Braeuer, Ludwigshafen am Rhein, DE;
Kai Gumlich, Dubai, AE;
Stefan Frenzel, Ludwigshafen am Rhein, DE;
Maria Socher, Schwarzheide, DE;
Jennifer Anne Jackson, Houston, TX (US);
Edward Bohres, Ludwigshafen am Rhein, DE;
Abstract
The invention relates to aqueous polymer dispersions comprising at least one polymer obtainable by the reaction of at least one monomer M1 of the general formula HC═CH—C(O)OR (I), wherein R is an unbranched alkyl chain comprising from 18 to 22 carbon atoms, and optionally at least one monomer M2. The invention relates moreover to a method for the preparing of such aqueous polymer dispersion and the use thereof as pour point depressant for crude oil, petroleum, and petroleum products.