Patent · US Active

Process for the production of multi-layer coatings

US8147919B2 · kind B2 · utility

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0References

6Claims

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Assignee

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

Inventors

Marc Chilla · Sprockhövel, DE
Marcus Brunner · Wuppertal, DE

Key dates

Filing date	Sep 25, 2007
Grant date	Apr 3, 2012
Priority date	—
Expiry date	Sep 5, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05D7/572
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A process for the production of multi-layer coatings in A′ color shades, comprising the successive steps: wherein the base coat layer is applied in a first layer of a modified water-borne base coat modAB prepared by mixing an unmodified, water-borne base coat A with an unmodified water-borne base coat B and with a pigment-free admixture component and in a second layer of the unmodified water-borne base coat A.

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