C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
149/19
C09K 13/06 (2006.01) C23C 22/62 (2006.01) C23G 1/08 (2006.01)
Patent
CA 1166131
ABSTRACT OF THE DISCLOSURE Aqueous acid compositions are described which comprise (a) hydroxyethylethylenediaminetriacetic acid, and (b) a compatible acid corrosion inhibitor. The compositions are useful in removing iron oxide scale from metal surfaces.
395747
Frenier Wayne W.
Wilson David A.
Hydrochem Industrial Services Inc.
Smart & Biggar
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