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:
Jul. 11, 2017
Filed:
Oct. 07, 2013
Applicant:
Nippon Paint Co., Ltd., Osaka, JP;
Inventors:
Kazufumi Yasuda, Tokyo, JP;
Hidekimi Hirasawa, Tokyo, JP;
Kenji Tsuge, Tokyo, JP;
Akihiro Mizuno, Tokyo, JP;
Ryohei Shizuka, Tokyo, JP;
Assignee:
CHEMETALL GMBH, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/22 (2006.01); C23C 26/00 (2006.01); C08K 5/353 (2006.01);
U.S. Cl.
CPC ...
C08K 3/22 (2013.01); C08K 5/353 (2013.01); C23C 26/00 (2013.01);
Abstract
A surface treatment agent and a surface treatment method capable of imparting excellent corrosion resistance while enhancing adhesion between a surface of a metal substrate and a resin-containing layer. The surface treatment agent for treating a surface of a metal substrate includes an acrylic resin having a carboxyl group and a hydroxyl group, an oxazoline group-containing compound and metal particles containing at least one of Nb, Ca and Nd. The metal may be in the form of a niobium oxide sol.