Electrodeposition bath with water-soluble polyvinyl alcohol (co) polymers

US6951602B1 · kind B1 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Hardy Reuter · Kohlenbissen, DE
• Dagmar Schemschat · Senden, DE
• Karl-Heinz Grosse-Brinkhaus · Nottuln, DE
• Ulrich Heimann · Munster, DE
• Walter Jouck · Munster, DE

Key dates

• Filing date: Jun 29, 2000
• Grant date: Oct 4, 2005
• Expiry date: Jun 21, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S524/901
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to the use of a water-soluble polyvinyl alcohol (co)polymer or a mixture of polyvinyl alcohol (co)polymers as additives in aqueous electrodeposition baths, to electrodeposition baths comprising a polyvinyl alcohol (co)polymer, and to a method of coating an electrically conductive substrate.