C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
31/51
C23F 11/16 (2006.01) C23F 11/10 (2006.01) C23F 11/14 (2006.01) F01P 11/06 (2006.01)
Patent
CA 1268030
ABSTRACT A corrosion inhibitor for ferrous and non-ferrous aqueous systems comprising (a) a water soluble phosphonic acid or salt thereof, preferably an amino methylene phosphonic acid; (b) a phosphonocarboxylic acid, preferably a phosphonoalkane carboxylic acid; and (c) a triazole, preferably benzotriazole or tolyltriazole.
511615
Mullins Michael A.
Thomas Peter A.
Ashland Inc.
Gowling Lafleur Henderson Llp
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