C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
31/34, 31/8
C08K 5/36 (2006.01) C08K 5/34 (2006.01) C23F 11/08 (2006.01) C23F 11/10 (2006.01) C23F 11/16 (2006.01)
Patent
CA 1113235
ABSTRACT OF THE DISCLOSURE Corrosion of ferrous metals by aqueous brines is inhibited by including in the brine, an effective amount of a dispersible sulfur compound wherein the sulfur has an oxidation state of zero or less. Preferably, a quaternary pyridinium, quino- linium, or isoquinolinium salt is also employed. Inclusion of a cobalt salt is also sometimes de- sirable. 27,321-F
332464
Smart & Biggar
The Dow Chemical Company
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