Corrosion inhibitor for metal surfaces

US4113498A · kind A · utility

Assignee

• Oxy Metal Industries Corporation · US

Inventors

• Josef Rones · Frankfurt am Main, DE
• Siegfried Moller · Frankfurt am Main, DE
• Helmut Hoch

Key dates

• Filing date: Mar 28, 1977
• Grant date: Sep 12, 1978
• Expiry date: Mar 28, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C23F11/10
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Disclosed is a corrosion inhibitor for metal surfaces. The surface is contacted with an alkaline aqueous solution containing a reaction product of an aliphatic carboxylic acid, a polyhydroxy carboxylic acid and an alkanol amine.