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Raul Hernandez Altamirano, Violeta Yasmin Mena Cervantes, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Simon Lopez Ramirez: Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors. Instituto Mexicano del Petroleo, Roylance Abrams Berdo & Goodman L, August 27, 2013: US08518868 (2 worldwide citation)

Gemini surfactants having the structural formula: where: R1 is a radical represented by —H or —CH3, R2 is an alkyl or alkenyl chain, or cycloalkyl or aryl; R3 is a radical represented by —H, —CH3, —CH═CH—CH3, or —COOX; R4 is a radical represented by —H, —CH3, or —CH2—COOX; R5 is a radical represente ...


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Raul Hernandez Altamirano, Violeta Yasmin Mena Cervantes, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Simon Lopez Ramirez: Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors. Instituto Mexicano del Petroleo, Roylance Abrams Berdo & Goodman L, May 5, 2015: US09023785

Gemini surfactants of bis-N-alkyl polyether, bis-N-alkenyl polyether, bis-N-cycloalkyl polyether, bis-N-aryl polyether bis-beta or alpha-amino acids or their salts, are produced for use as multifunctional corrosion inhibitors, which protect and prevent corrosion of ferrous metals exposed to acidic, ...


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Raul Hernandez Altamirano, Violeta Yasmin Mena Cervantes, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Eduardo Buenrostro Gonzalez: 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, Dickinson Wright PLLC, March 7, 2017: US09586915

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 ...