Compositions – Preservative agents – Anti-corrosion
Patent
1991-12-13
1993-01-05
Lovering, Richard D.
Compositions
Preservative agents
Anti-corrosion
252392, 422 16, 422 17, C23F 1114
Patent
active
051768488
ABSTRACT:
Disclosed are compositions comprising the reaction product of maleic anhydride and at least one alkenylsuccinic anhydride. These compositions when hydrolyzed and neutralized are useful in not only imparting corrosion resistance to ferrous metal surfaces in contact with aqueous systems but also retard or prevent precipitation of alkaline earth salts of organic acids from the aqueous system.
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Kang Hyung H.
Markobrad David B.
Weipert Eugene A.
Fee Valerie
Lovering Richard D.
Morris George D.
PPG Industries Inc.
Whitfield Edward J.
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