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. 29, 2017
Filed:
Feb. 27, 2014
Instituto Mexicano Del Petroleo, Mexico City, MX;
Eugenio Alejandro Flores Oropeza, Mexico City, MX;
Cesar Andres Flores Sandoval, Mexico City, MX;
Reyna Reyes Martinez, Mexico City, MX;
Jose Gonzalo Hernandez Cortez, Mexico City, MX;
Alfonso Lopez Ortega, Mexico City, MX;
Laura Veronica Castro Sotelo, Mexico City, MX;
Fernando Alvarez Ramirez, Mexico City, MX;
Arquimedes Estrada Martinez, Mexico City, MX;
Flavio Salvador Vazquez Moreno, Mexico City, MX;
INSTITUTO MEXICANO DEL PETROLEO, Mexico City, MX;
Abstract
Compositions consisting of block copolymers α,ω-di-aryl or alkyl sulfonates of poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide)of bis-ammonium and block copolymers α,ω-di-amine of poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide), are provided that are effective in the dewatering and desalting crude oils whose specific gravities are within the range of 14 to 20° API. A method of dewatering and desalting heavy crude oil adds a mixture of the copolymer bifunctionalized with an aliphatic or aromatic secondary amine and a copolymer bifunctionalized with an aliphatic or aromatic tertiary amine.