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. 07, 2025
Filed:
Dec. 11, 2019
Applicant:
Nouryon Chemicals International B.v., Arnhem, NL;
Inventor:
Hanamanthsa Shankarsa Bevinakatti, Somerset, NJ (US);
Assignee:
NOURYON CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/48 (2006.01); B01D 17/04 (2006.01); C08G 63/668 (2006.01);
U.S. Cl.
CPC ...
C08G 63/48 (2013.01); B01D 17/047 (2013.01); C08G 63/668 (2013.01);
Abstract
A demulsifier includes the reaction product of a) alkoxylated castor oil, b) an acid having at least two carboxyl groups, a full or partial ester thereof, an anhydride thereof and combinations thereof, and optionally c) a fatty acid, a fatty acid ester and combinations thereof. A method of demulsifying a water-in-oil or oil-in-water emulsion includes adding the demulsifier to the emulsion and separating the emulsion into an oil phase and a water phase.