Patent · US Expired

Electro-dipcoating baths with additives preventing the formation of craters in the baked coating

US6849169B1 · kind B1 · utility

2Cited by

1References

14Claims

0Family size

Assignee

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

Inventors

Helmut Hoenig · Kumberg, AT
Georg Pampouchidis · Graz, AT
Gerald Hobisch · Graz, AT

Key dates

Filing date	Apr 30, 1999
Grant date	Feb 1, 2005
Priority date	—
Expiry date	Apr 30, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D7/47
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Use of homopolymers or copolymers of 2-ethyl hexyl acrylate as an additive in aqueous cathodically depositable coatings to suppress the formation of surface defects in coating films, in which the proportion by mass of the comonomers in the monomer mixture used for the preparation of the copolymers does not exceed 35%.

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