Anticorrosion additives for manufacturing processes, a process for preparation thereof and use thereof

US9121103B2 · kind B2 · utility

Assignee

• Rhein Chemie Rheinau GmbH · DE

Inventors

• Sandra Leimenstoll · Mannheim, DE
• Anke Blaul · Darmstadt, DE
• Reinhard Stier · Worms, DE
• Isabell Lange · Hockenheim, DE
• David Larem · Eppertshausen, DE

Key dates

• Filing date: Dec 6, 2011
• Grant date: Sep 1, 2015
• Expiry date: Dec 6, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2050/011
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminum and/or aluminum alloys.