The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2012
Filed:
Sep. 29, 2006
Giannoula Avgenaki, Duesseldorf, DE;
Marcus Brunner, Wuppertal, DE;
Marc Chilla, Sprockhoevel, DE;
Volker Paschmann, Essen, DE;
Bruno Wokalek, Heiligenhaus, DE;
Giannoula Avgenaki, Duesseldorf, DE;
Marcus Brunner, Wuppertal, DE;
Marc Chilla, Sprockhoevel, DE;
Volker Paschmann, Essen, DE;
Bruno Wokalek, Heiligenhaus, DE;
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A process for the production of multi-layer coatings comprising the successive steps: 1) applying an 8 to 20 μm thick coating layer from an aqueous coating composition A onto a substrate provided with an EDC primer, 2) applying a 5 to 15 μm thick base coat layer from an aqueous coating composition B onto the previously applied coating layer, 3) applying a clear coat layer onto the base coat layer, 4) jointly curing the three coating layers, wherein coating compositions A and B being different from each other and wherein the coating composition A contains at least one metal platelet pigment having a thickness from 10 to 100 nm in a proportion corresponding to a pigment/resin solids ratio by weight from 0.06:1 to 0.2:1.