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Raúl Hernández Altamirano, Violeta Yasmín Mena Cervantes, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltrán Conde, Eduardo Buenrostro González: Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process. INSTITUTO MEXICANO DEL PETROLEO, Roylance Abrams Berdo & Goodman L, August 18, 2015: US09108935

Base compounds including 1,3-oxazinan-6-one derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde, and their application as corrosion inhibitors with multifunctional properties serving as inhibitory/dispersant of asphaltene in production processes, transp ...


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Raúl HERNÁNDEZ ALTAMIRANO, Violeta Yasmín MENA CERVANTES, Luis Silvestre ZAMUDIO RIVERA, Hiram Isaac BELTRÁN CONDE, Simón LÓPEZ RAMÍREZ: Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors. Instituto Mexicano Del Petroleo, June 16, 2011: US20110138683-A1

The disclosure relates to new surfactants of bis-N-alkyl polyether, bis-N-alkenyl polyether, bis-N-cycloalkyl polyether, bis-N-aryl polyether bis-beta or alpha-imino acids or their salts, process for obtaining and using mainly as multifunctional corrosion inhibitors, which protect and prevent corros ...


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Luis Silvestre Zamudio Rivera, Simon López Ramírez, Cecilia de loss Ángele Durán Valencia, Raúl Hernández Altamirano, Violeta Yasmín Mena Cervantes, Norma Araceli García Muñoz, Alfredo Ríos Reyes, Alejandro Ortega Rodríguez, José Luis Mendoza De La Cruz, Marcelo Lozada Ycassou, Eduardo Buenrostro González: Foaming composition for high temperature and salinity. Instituto Mexicano Del Petroleo, November 10, 2011: US20110275546-A1

The present invention relates to the preparation of foaming formulations for high temperature, salinity and concentration of divalent ions, such as Calcium and Magnesium, that apply the synergistic effect of sodium alpha olefin sulfonates and alkyl amido propyl betaines; said inventions may use, as ...


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Raúl Hernández Altamirano, Violeta Yasmin Mena Cervantes, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltrán Conde, Eduardo Buenrostro González: Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process. Instituto Mexicano Del Petroleo, November 3, 2011: US20110269650-A1

Base compounds including 1,3-oxazinan-6-one derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde, and their application as corrosion inhibitors with multifunctional properties serving as inhibitory/dispersant of asphaltene in production processes, transp ...


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Raúl Hernández Altamirano, Luis Silvestre Zamudio Rivera, Violeta Yasmín Mena Cervantes, Hiram Isaac Beltrán Conde, Marco Antonio Domínguez Aguilar, Jaquelin Martínez Viramontes, Aristeo Estrada Buendía: Amino and imino propionic acids, process of preparation and use. Instituto Mexicano Del Petroleo, December 8, 2011: US20110296746-A1

N-alkyl, N-alkenyl, N-cycloalkyl, N-aryl amino or imino propionic acids with an alkyl chain ranging from 6 to 18 carbons, or alkenyl chain from 8 to 30 carbons, are obtained from a reaction process in the absence of solvent at a temperature range from 30 to 180° C. and a time of 1 to 10 hours at atm ...