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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.:

US 9427779 B1

PDFFull Text
Date of Patent:
Aug. 30, 2016

Filed:

Feb. 22, 2013

Multilayer film-forming method and coated article

Applicant:

Kansai Paint Co., Ltd., Hyogo, JP;

Inventors:

Minoru Ishikura, Kanagawa, JP;

Takashi Nakayabu, Kanagawa, JP;

Yuuki Yamada, Aichi, JP;

Masami Kobata, Kanagawa, JP;

Assignee:

KANSAI PAINT CO., LTD., Hyogo, JP;

Attorneys:

Millen White Zelano and Branigan, PC

John Sopp

Anthony Zelano

Primary Examiner:

Michael M Bernshteyn

Int. Cl.
CPC ...
B05D 1/02 (2006.01); C08G 18/08 (2006.01); C09D 123/28 (2006.01); B05D 7/00 (2006.01); C08G 18/79 (2006.01); C08G 18/80 (2006.01); C08G 18/40 (2006.01); C08G 18/42 (2006.01); B05D 3/02 (2006.01); C09D 133/10 (2006.01); C09D 175/04 (2006.01); C09D 179/04 (2006.01); C09D 5/02 (2006.01); C08G 18/62 (2006.01);
U.S. Cl.
CPC ...
B05D 7/572 (2013.01); B05D 1/02 (2013.01); B05D 3/0254 (2013.01); B05D 7/532 (2013.01); B05D 7/542 (2013.01); C08G 18/0866 (2013.01); C08G 18/4063 (2013.01); C08G 18/423 (2013.01); C08G 18/4263 (2013.01); C08G 18/6254 (2013.01); C08G 18/792 (2013.01); C08G 18/8064 (2013.01); C08G 18/8093 (2013.01); C08G 18/8096 (2013.01); C09D 5/024 (2013.01); C09D 123/28 (2013.01); C09D 133/10 (2013.01); C09D 175/04 (2013.01); C09D 179/04 (2013.01); Y10T 428/31551 (2015.04);
Abstract

A method of forming a multilayer coating film with smoothness, distinct image, adhesion and water resistance when a plurality of uncured coating films are cured at once, and especially when cured at low temperature. The method includes the following steps 1-1 to 1-4: step 1-1: coating an article with a primer coating composition (X) and forming an uncured primer coating film on the article, step 1-2: a coating the article having the uncured primer coating film with an aqueous colored coating composition (Y) for a base coat, to form an uncured base coat film thereover, step 1-3: coating the article having the uncured primer coating film and uncured base coat film, with a clear coating composition (Z), and forming an uncured clear coating film thereover, and step 1-4: a curing the uncured primer coating film, the uncured base coat coating film and the uncured clear coating film by heating.

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