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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.:

US 11692053 B1

PDFFull Text
Date of Patent:
Jul. 04, 2023

Filed:

Apr. 21, 2021

Polymeric pour point depressants for waxy crude oils

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:

Tod A. Waldrop

Primary Examiner:

Brian A McCaig

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

Find Patent Forward Citations

Kaiser, Anton. (2023). Polymeric pour point depressants for waxy crude oils (U.S. Patent No. 11692053). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11692053

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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