Methods and compositions for controlling oxidation of metal surfaces

Claim 1

A METHOD OF CONTROLLING OXIDATION OF A SURFACE OF METAL SELECTED FROM THE CLASS CONSISTING OF COPPER, BRASS, IRON, ALUMINUM, MAGNESIUM, ZINC AND URANIUM, COMPRISING APPLYING TO THE SURFACE, IN THE PRESENCE OF WATER, A MIXTURE OF (A) AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF GLYCOLIC, DIGLYCOLIC, GLUCONIC, TANNIC, CITRIC, OXALIC, GLUTARIC, SEBACIC, AZELEIC, PELARGONIC, BUTYRIC, VALERIC, CAPROIC, CAPRYLIC, CAPRIC, LAURIC, MYSTRIC, PALMITIC, STEARIC, OLEIC, LINOLEIC, PHENYLACETIC, BENZOIC, O-, M-, AND P-TOLUIC, O-, M-, AND P-CHLOROBENZOIC, O-, M-, AND P-BROMOBENZOIC, PHTHALIC, ISOPHTHALIC, TEREPHTHALIC, SALICYLIC, ANTHRANILIC, M- AND P-AMINOBENZOIC, LACTRIC, GLYCERIC, TARTARIC, GLYOXALIC, AND FORMYLACETIC ACIDS, PROPANOIC AND BUTANOIC ACID ANHYDRIDES, LEAD, ZINC, TIN, CHROMIUM, CADMIUM, SODIUM AND POTASSIUM SALTS OF SEBACIC ACID, AZELIC ACID AND PELARGONIC ACID, CRESYLIC ACID, ASCORBIC ACID, 2-KETO-1 GULONIC ACID, PYRUVIC ACID, ACETOACETIC ACID, LEVULINIC ACID, O-BENZOYLPROPIONIC ACID, BETA-BENZOYLPROPIONIC ACID, SODIUM ASCORBATE, POTASSIUM ASCORBATE, CALCIUM ASCORBATE AND MAGNESIUM ASCORBATE; AND (B) AT LEAST ONE DIKETONE SELECTED FROM THE CLASS CONSISTING OF 2,4 PENTANEDIONE AND 25 HEXANEDIONE, SAID ONE COMPOUND BEING PRESENT IN SAID MIXTURE IN A PROPORTION OF AT LEAST BOUT 1% BY WEIGHT, AND SAID ONE DIKETONE BEING PRESENT IN SAID MIXTURE IN A PORPORTION OF AT LEAST ABOUT 0.1% BY WEIGHT.

Claim 2

A METHOD OF CONTROLLING OXIDATION OF A SURFACE OF METAL SELECTED FROM THE CLASS CONSISTING OF COPPER, BRASS, IRON, ALUMINUM, MAGNESIUM, ZINC AND URANIUM, COMPRISING APPLYING TO THE SURFACE, IN THE PRESENCE OF WATER, A MIXTURE OF (A) AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF GLYCOLIC, DIGLYCOLIC, GLUCONIC, TANNIC, CITRIC, OXALIC, GLUTARIC, SEBACIC, AZELEIC, PELARGONIC, BUTYRIC, VALERIC, CAPROIC, CAPRYLIC, CAPRIC, LAURIC, MYSTRIC, PALMITIC, STEARIC, OLEIC, LINOLEIC, PHENYLACETIC, BENZOIC, O-, M-, AND P-TOLUIC, O-, M-, AND P-CHLOROBENZOIC, O-, M-, AND P-BROMOBENZOIC, PHTHALIC, ISOPHTHALIC, TEREPHTHALIC, SALICYLIC, ANTHRANILIC, M- AND P-AMINOBENZOIC, LACTRIC, GLYCERIC, TARTARIC, GLYOXALIC, AND FORMYLACETIC ACIDS, PROPANOIC AND BUTANOIC ACID ANHYDRIDES, LEAD, ZINC, TIN, CHROMIUM, CADMIUM, SODIUM AND POTASSIUM SALTS OF SEBACIC ACID, AZELIC ACID AND PELARGONIC ACID, CRESYLIC ACID, ASCORBIC ACID, 2-KETO-1 GULONIC ACID, PYRUVIC ACID, ACETOACETIC ACID, LEVULINIC ACID, O-BENZOYLPROPIONIC ACID, BETA-BENZOYLPROPIONIC ACID, SODIUM ASCORBATE, POTASSIUM ASCORBATE, CALCIUM ASCORBATE AND MAGNESIUM ASCORBATE; AND (B) AT LEAST ONE DIKETONE SELECTED FROM THE CLASS CONSISTING OF 2,4 PENTANEDIONE AND 25 HEXANEDIONE, SAID ONE COMPOUND BEING PRESENT IN SAID MIXTURE IN A PROPORTION OF AT LEAST BOUT 1% BY WEIGHT, AND SAID ONE DIKETONE BEING PRESENT IN SAID MIXTURE IN A PORPORTION OF AT LEAST ABOUT 0.1% BY WEIGHT.