C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/08 (2006.01) C11D 3/20 (2006.01) C11D 3/30 (2006.01) C11D 3/33 (2006.01) C11D 3/37 (2006.01) C11D 7/10 (2006.01) C11D 7/32 (2006.01) C11D 7/34 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2271292
The invention relates to a composition useful for cleaning metal surfaces immersed in an aqueous system. The composition comprises as a mixture: an organic carboxylic acid; an alkanolamine; an amino polycarboxylic acid or alkali metal salt; and a sulfur-containing polymer.
Composition destinée au nettoyage de surfaces métalliques immergées dans une solution aqueuse. La composition est formée d'un mélange comprenant un acide carboxylique organique, une alcanolamine, un acide amino polycarboxylique ou sel de métal alcalin, et un polymère contenant du soufre.
Hlivka Linda M.
Libutti Bruce L.
Mihelic Joseph
Ashland Inc.
Ashland Licensing And Intellectual Property Llc
Gowling Lafleur Henderson Llp
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