Chromate-free corrosion protection for fuel tanks

US9279055B2 · kind B2 · utility

Assignees

• MANKIEWICZ GEBR. & CO. (GMBH & CO.KG) · DE
• AIRBUS OPERATIONS LIMITED · DE

Inventors

• Sven Schroeder · Hamburg, DE
• Diana Becker · Buxtehude, DE
• Jan Kuever · Stuhr, DE
• Andreas Rabenstein · Bremen, DE
• Martin Kaune · Oldenburg, DE
• Yvonne Wilke · Bremen, DE
• Matthias Geistbeck · Ottobrunn, DE
• Carmen Gerlach · Pocking, DE
• Ottmar Schramm · Drangstedt, DE
• Tanja Pietzker · Bremen, DE

Key dates

• Filing date: Jan 15, 2009
• Grant date: Mar 8, 2016
• Expiry date: Jan 13, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2003/328
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a chromate-free composition, to the use thereof for corrosion protection, and to a corrosion protection coating for the inside surfaces of fuel tanks, wherein the composition comprises binding agents, hardening agents, corrosion inhibitors and quaternary ammonium compounds in a quantity of at least 0.1% by weight.