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:
Oct. 28, 2025
Filed:
Apr. 27, 2023
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Liang Xu, The Woodlands, TX (US);
Sofia Sirak, Plymouth Meeting, PA (US);
Iryna Zhuk, Warrington, PA (US);
Claudia Meister, Darmstadt, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01);
Abstract
A composition for use as a multifunctional wax dispersant can treat subterranean formations for the recovery of oil and gas from oil and gas wells. A process can be used for the preparation thereof. A method for treating a crude oil with a wax dispersant composition according to the present invention reduces interfacial tension between the crude oil and the treatment fluids in the recovery of oil and gas from crude oil and gas wells.