09023785 cites 23 patents.

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, basic and neutral liquids when transporting or storing crude oil and liquid fuels. The surfactants are also used to inhibit corrosion of equipment and pipes used in cooling systems in petroleum and petrochemical equipment. The Gemini surfactants have the structural formula:

Title
Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors
Application Number
13/945307
Publication Number
9023785 (B2)
Application Date
July 18, 2013
Publication Date
May 5, 2015
Inventor
Simon Lopez Ramirez
Mexico City
MX
Hiram Isaac Beltran Conde
Mexico City
MX
Luis Silvestre Zamudio Rivera
Mexico City
MX
Violeta Yasmin Mena Cervantes
Mexico City
MX
Raul Hernandez Altamirano
Mexico City
MX
Agent
Roylance Abrams Berdo & Goodman L
Assignee
Instituto Mexicano del Petroleo
MX
IPC
C10L 1/182
C10L 1/16
C10L 1/12
C23F 11/173
C10L 1/2387
C10L 1/223
C10L 1/222
C10L 1/14
C10G 75/02
C09K 5/10
C07C 229/12
C10L 10/04
C11D 1/62
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