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. 07, 2015
Filed:
Nov. 09, 2011
Raúl Hernández Altamirano, México City, MX;
Luis Silvestre Zamudio Rivera, México City, MX;
Violeta Yasmín Mena Cervantes, México City, MX;
Hiram Isaac Beltrán Conde, México City, MX;
Cecilia DE Los Ángeles Durán Valencia, México City, MX;
Simón López Ramírez, México City, MX;
Eduardo Buenrostro González, México City, MX;
José Luis Mendoza DE LA Cruz, México City, MX;
Jorge Alberto García Martínez, México City, MX;
Erick Emanuel Luna Rojero, México City, MX;
David Aarón Nieto Álvarez, México City, MX;
Raúl Hernández Altamirano, México City, MX;
Luis Silvestre Zamudio Rivera, México City, MX;
Violeta Yasmín Mena Cervantes, México City, MX;
Hiram Isaac Beltrán Conde, México City, MX;
Cecilia de los Ángeles Durán Valencia, México City, MX;
Simón López Ramírez, México City, MX;
Eduardo Buenrostro González, México City, MX;
José Luis Mendoza De La Cruz, México City, MX;
Jorge Alberto García Martínez, México City, MX;
Erick Emanuel Luna Rojero, México City, MX;
David Aarón Nieto Álvarez, México City, MX;
INSTITUTO MEXICANO DEL PETROLEO, Mexico City, MX;
Abstract
Geminal zwitterionic surfactants based on bis-N-alkyl, bis-N-alkenyl, N-cycloalkyl or N-aryl bis-beta amino acids or salts thereof as wettability modifiers of rocks such as limestone, dolomite, sand, quartz or heterogeneous lithologies.