Vapor phase corrosion inhibitors and method for their...

Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition

Reexamination Certificate

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Details

C106S014050, C106S014150, C106S014410, C106S014420, C252S388000, C524S093000, C524S186000

Reexamination Certificate

active

07824482

ABSTRACT:
The present invention relates to new substance combinations as vapor phase corrosion inhibitors for protecting a broad range of customary utility metals, including iron, chromium, nickel, tin, zinc, aluminum, copper, magnesium and their alloys, against corrosion in humid climates. Said substance combinations comprise (1) at least one C6to C10aliphatic monocarboxylic acid, (2) at least one C6to C10aliphatic dicarboxylic acid, and (3) a primary aromatic amide. Preferably they further comprise (4) an aliphatic ester of hydroxybenzoic acid, in particular of 4-hydroxybenzoic acid, and/or (5) a bemzimidazole, in particular a benzimidazole substituted on the benzene ring.

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