Patent · US Expired

Cathodic electrodeposition coating agents containing bismuth complexes, preparation and use thereof

US6811667B2 · kind B2 · utility

1Cited by

7References

11Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Ulrich Hermann · Graz, AT
Walter Kuehhirt · Remscheid, DE
Rudolf Schipfer · Graz, AT

Key dates

Filing date	Mar 4, 2002
Grant date	Nov 2, 2004
Priority date	—
Expiry date	Apr 23, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/0091
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Waterborne CED coating agents containing resin solids and optionally pigments, fillers and/or conventional coating additives, wherein said CED coating agents contain at least one bismuth complex with ligands selected from the group consisting of hydroxyquinolines, 1,2-dioximes, 1,3-dioximes, and N,N′-diarylthiocarbazides and combinations thereof in an amount of 0.1 wt. % to 2.5 wt. %, calculated as bismuth and based on the resin solids.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.