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. 04, 2023
Filed:
Apr. 21, 2021
Applicant:
Clariant International, Ltd., Muttenz, CH;
Inventors:
Anton Kaiser, Muehldorf am Inn, DE;
Michael Feustel, Koengernheim, DE;
Christoph Kayser, Mainz, DE;
Matthias Krull, Harxheim, DE;
Michael Schaefer, Gruendau, DE;
Rashod Smith, Houston, TX (US);
Assignee:
CLARIANT INTERNATIONAL LTD, Muttenz, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 222/06 (2006.01); C10G 71/00 (2006.01);
U.S. Cl.
CPC ...
C08F 222/06 (2013.01); C10G 71/00 (2013.01); C10G 2300/302 (2013.01); C10G 2300/304 (2013.01); C10G 2300/4075 (2013.01);
Abstract
This invention relates a wax inhibitor for hydrocarbon oils comprising an esterified copolymer having repeating structural units derived from an esterified ethylenically unsaturated dicarboxylic acid and α-olefins having at least 18 carbon atoms, whereof at least 3 mol-% of the α-olefins have 30 or more carbon atoms, and wherein the ethylenically unsaturated dicarboxylic acid has been esterified with a mixture of alcohols comprising