Patent · US Expired

Method of forming coating film on aluminum substrate

US7550176B2 · kind B2 · utility

8Cited by
2References
8Claims
0Family size

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Inventors

Key dates

Filing dateDec 19, 2003
Grant dateJun 23, 2009
Priority date
Expiry dateJan 20, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05D2601/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a method of forming a coating film on an aluminum substrate, comprising the steps of: (1) coating an aluminum substrate with a thermosetting polyester resin lustrous powder base coating composition (a) containing a lustrous material, and baking the resulting base coat layer; and (2) coating the base coat layer with a thermosetting acrylic resin clear powder coating composition (b), and baking the resulting clear coat layer to obtain a lustrous multilayer coating film.

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