Patent · US Expired

Process for coating a surface with a powder coating composition

US6406757B1 · kind B1 · utility

28Cited by

0References

13Claims

0Family size

Assignee

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

Inventors

Karsten Blatter · Lechenich, DE
Frank Niggemann · Landshut, DE
Frank Zimmermann · Atlanta, US

Key dates

Filing date	Aug 16, 2000
Grant date	Jun 18, 2002
Priority date	—
Expiry date	Aug 16, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D167/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Process for the production of powder finishes on metallic or non-metallic surfaces, characterized in that powder coating compositions are used which contain resins which may be crosslinked by means of functional groups capable of forming hydrogen bonds, wherein the functional groups are present at a concentration of greater than 100 mmol/kg of powder coating composition, the powder coating compositions are applied to the substrate and are melted and cured by NIR irradiation.

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