Titanium and zirconium complexes of carboxylic acids as corrosion inhibitors

US5612093A · kind A · utility

Assignee

• Ciba-Geigy · US

Inventors

• Adalbert Braig · Weil am Rhein, DE
• Markus Frey · Rheinfelden, CH
• Andreas Kramer · Zürich, CH

Key dates

• Filing date: Jun 30, 1995
• Grant date: Mar 18, 1997
• Expiry date: Jun 30, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/003
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Titanium and zirconium complexes of compounds of the formula I ##STR1## in which the general symbols are as defined in claim 1, are described as corrosion inhibitors in coating compositions for protecting metallic surfaces.