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US 5,486,308 AGranted
Compositions combinations of dessicants and vapor-corrosion inhibitors
AssigneeCorporation
InventorDonald P. Mayeaux
Life of this patent
Estimating the term…
Abstract
A composition for inhibiting corrosion. The composition contains a mixture of a dessicant and a vapor-corrosion inhibitor. The mixture of dessicant and inhibitor is synergistic: the service life of the corrosion inhibitor is signficiantly longer when so used than when used alone or in in the presence of but not physically mixed with the dessicant.
Claims2
A composition for extending the service life of a vapor-corrosion inhibitor, the composition consisting essentially of:
- (a) from about ten to about ninety-nine and nine-tenths percent by weight of a granular dessicant which gels upon exposure to water vapor and which is a sodium or potassium salt of poly(acrylic) acid;
- and
- (b) from about one-tenth to about ninety percent by weight of a granular vapor-corrosion inhibitor which is chemically compatible with the dessicant and which is at least partially soluble in the gelled dessicant, the corrosion inhibitor being benzotriazole, tolytriazole, and dicyclohexylamine nitrite.
Dependencies are inferred from the claim text.