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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 10160863 B1

PDFFull Text
Date of Patent:
Dec. 25, 2018

Filed:

Mar. 24, 2014

Primer coating composition for aluminum wheels

Applicant:

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

Inventors:

Hideki Matsuda, Kanagawa, JP;

Hiroe Homma, Kanagawa, JP;

Assignee:

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

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Deve E Valdez

Int. Cl.
CPC ...
C09D 133/24 (2006.01); C09D 125/14 (2006.01); C09D 133/08 (2006.01); C09D 5/00 (2006.01); B60B 3/00 (2006.01); C09D 163/00 (2006.01); C08F 212/08 (2006.01); C09D 5/08 (2006.01); C09D 7/61 (2018.01); C09D 7/62 (2018.01); C08K 3/36 (2006.01); C08K 3/32 (2006.01);
U.S. Cl.
CPC ...
C09D 5/002 (2013.01); B60B 3/00 (2013.01); C08F 212/08 (2013.01); C09D 5/084 (2013.01); C09D 7/61 (2018.01); C09D 7/62 (2018.01); C09D 125/14 (2013.01); C09D 133/08 (2013.01); C09D 133/24 (2013.01); C09D 163/00 (2013.01); B60B 2360/104 (2013.01); B60B 2900/141 (2013.01); B60B 2900/321 (2013.01); C08K 3/36 (2013.01); C08K 2003/326 (2013.01);
Abstract

An object of the present invention is to find a primer coating composition for aluminum wheels, the composition having excellent stability and being capable of forming a coating film having excellent corrosion resistance, edge corrosion resistance, and filiform corrosion resistance. The invention provides (1) a primer coating composition for aluminum wheels comprising a copolymer resin (A), and 1 to 30 parts by mass of fumed silica (B) and 0.1 to 10 parts by mass of a magnesium-containing phosphoric acid-based compound (C), per 100 parts by mass of the total solids content of the copolymer resin (A). The invention also provides (2) the primer coating composition for aluminum wheels according to Item (1), further comprising 0.1 to 10 parts by mass of metal-ion exchanged silica (D), per 100 parts by mass of the total solids content of the copolymer resin (A).

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