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:
Nov. 28, 2023
Filed:
Sep. 21, 2022
Applicant:
Stepan Company, Northfield, IL (US);
Inventors:
Yongling Ginger Ren, Houston, TX (US);
Aaron Sanders, Houston, TX (US);
Jonathan Mohandessi, Northfield, IL (US);
Assignee:
STEPAN COMPANY, Northfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01); E21B 21/06 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); E21B 21/06 (2013.01); E21B 21/063 (2013.01); E21B 21/065 (2013.01);
Abstract
A demulsified composition comprising a clear oil phase comprising hydrocarbons, a clear brine phase comprising up to 5 wt. % of a diethanolamine-based C-Calkanolamide demulsifying agent, and a water-wetted solid phase.