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US 2004/0170848 A1Published application
Corrosion inhibiting composition for metals
AssigneeColumbia Chemical Corporation
InventorsRobert J. Ludwig, Shane F. Lofland, William E. Rosenberg, SR.
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Abstract
A corrosion inhibiting composition for coating an article or substrate such as a metal, metal coating, chromated metal coating, and the like comprises a film-forming compound such as a wax or a polymer, and a sulfide salt or thio compound or a derivative of a thio compound.
Claims30
A coated substrate comprising:
- a corrosion inhibiting composition on the substrate;
- said composition comprising a film forming compound, and a sulfide salt or a thio compound or a derivative of a thio compound;
- and
- said substrate comprising a metal or a plated metal surface.
1 more element
A solution for applying a corrosion inhibiting composition on a metal surface comprising;
- a film forming compound comprising a wax, synthetic polymer, sodium silicate, potassium silicate, lithium polysilicate, or colloidal silica, or mixtures thereof;
- and a sulfide salt or a thio compound or a derivative of a thio compound.
Dependencies are inferred from the claim text.