Compositions – Preservative agents – Anti-corrosion
Patent
1997-07-18
1999-02-02
Howard, Jacqueline V.
Compositions
Preservative agents
Anti-corrosion
25238953, 252396, 252180, 210701, C02F 510
Patent
active
058660429
ABSTRACT:
The present invention provides for methods and compositions for inhibiting the corrosion of iron-containing metals in contact with aqueous systems. The present invention further provides for compositions and methods for inhibiting pitting of iron-containing metals in contact with aqueous systems. The methods include the use of a copolymer of acrylic or methacrylic acid and 2-acetoacetoxyethylmethacrylate with or without a polyvalent metal salt or a polyhydroxy-polycarboxylic acid.
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Chen Jen-Chi
Ehrhardt William C.
BetzDearborn Inc.
Howard Jacqueline V.
Ricci Alexander D.
Von Neida Philip H.
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