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:
Sep. 08, 2020
Rhodia Operations, Paris, FR;
Olivier Back, Lyons, FR;
Remy Leroy, Vaulx en Velin, FR;
Mikel Morvan, Pessac, FR;
Patrick Moreau, Bordeaux, FR;
Philippe Marion, Vernaison, FR;
RHODIA OPERATIONS, Lyons, FR;
Abstract
Compositions suitable for enhanced oil recovery comprising a) a mixture of α-sulfocarbonyl compounds of formulae (1) and (2) in a mixture ratio (1) to (2) of from 1:99 to 99:1 wherein R, Rand R, which may be the same or different at each occurrence, are hydrogen or a linear or branched alkyl chain having 1 to 20 carbon atoms, Rand R, which may be the same or different at each occurrence, may be a linear or branched alkyl group having 4 to 24 carbon atoms and in which the alkyl chain may comprise one or more cycloaliphatic groups, and X is H or a metal forming a salt with the sulfonate group, and b) a salt containing aqueous solution.