Chromium-free corrosion preventive and corrosion prevention method

US7083831B1 · kind B1 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• Matthias Koch · Glastonbury, US
• Kerstin Motzkat · Oberhausen, DE
• Karsten Hackbarth · Goldkronach, DE
• Joerg Sander · Ulm, DE

Key dates

• Filing date: May 10, 2000
• Grant date: Aug 1, 2006
• Expiry date: May 10, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F222/1065
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A chromium-free corrosion inhibitor containing at least one titanium, silicon and/or zirconium compound corresponding to general formula (I):in which Me is a titanium, silicon or zirconium ion, at least one other olefinically unsaturated comonomer containing at least two olefinically unsaturated double bonds per molecule, optionally other comonomers containing one olefinically unsaturated double bond per molecule, and at least one radical and/or cationic polymerization initiator that is activated by radiation.