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:
Aug. 11, 2026
Filed:
Nov. 22, 2023
Energy Solutions (Us) Llc, Princeton, NJ (US);
Ahmed I. Rabie, Willingboro, NJ (US);
Arnaud Cadix, Lille, FR;
Rose Ndong, Dakar, SN;
Pascal Herve, Princeton, NJ (US);
Qi Qu, Tomball, TX (US);
Jian Zhou, Langhorne, PA (US);
ENERGY SOLUTIONS (US) LLC, Princeton, NJ (US);
Abstract
A viscoelastic surfactant formulation may include a zwitterionic surfactant with a general formula (I): where A is a C or SO, Eis a linear or branched, saturated or unsaturated hydrocarbon chain having 1 to 4 carbon atoms, Rand Rare selected from alkyl groups of from 1 to about 4 carbon atoms, and Ris a linear or branched, saturated or unsaturated alkyl chain having less than 22 carbon atoms or is —(CH)NHC(O)—R, where Ris a linear or branched, saturated or unsaturated alkyl chain having less than 22 carbon atoms and n ranges from 1 to 6; a synergistic co-surfactant containing a primary, secondary, or tertiary amine; amido group; amine oxide; or combinations thereof; and at least one miscible solvent.