C - Chemistry – Metallurgy – 23 – G
Patent
C - Chemistry, Metallurgy
23
G
C23G 5/06 (2006.01) C09D 5/08 (2006.01) C23F 11/14 (2006.01) C23G 1/14 (2006.01) E21B 41/02 (2006.01)
Patent
CA 2526667
Disclosed are quaternary ammonium carbonates, bicarbonates, and mixtures thereof as anti-corrosive agents. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coating for metal substrates containing these compounds, to metal substrates having these anticorrosive coatings, and to aqueous cleaning solutions containing these compounds.
L'invention concerne des carbonates et bicarbonates d'ammonium quaternaire ainsi que des mélanges de ceux-ci utilisés en tant qu'agents anticorrosion. L'invention concerne également une méthode permettant d'inhiber la corrosion de surfaces métalliques par application d'une composition contenant un ou plusieurs carbonates ou bicarbonates d'ammonium quaternaire. L'invention concerne enfin un revêtement anticorrosion destiné à des substrats métalliques contenant ces composés, des substrats métalliques comprenant ces revêtements anticorrosion et des solutions aqueuses de nettoyage contenant ces composés.
Chiang Michael Y.
Hall Larry K.
Kimler Joseph
Scheblein Joseph W.
G. Ronald Bell & Associates
Lonza Inc.
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