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:
Dec. 13, 2011
Filed:
Dec. 23, 2003
Masahiko Matsukawa, Nishitokyo, JP;
Kazuhiro Makino, Yokohama, JP;
Toshiaki Shimakura, Ichikawa, JP;
Masanobu Futsuhara, Yokohama, JP;
Jiping Yang, Shinagawa-ku, JP;
Masahiko Matsukawa, Nishitokyo, JP;
Kazuhiro Makino, Yokohama, JP;
Toshiaki Shimakura, Ichikawa, JP;
Masanobu Futsuhara, Yokohama, JP;
Jiping Yang, Shinagawa-ku, JP;
Nippon Paint Co., Ltd., Kita-ku, Osaka-shi, JP;
Abstract
It is an object of the present invention to provide a pretreatment method for coating, which does not limit a coating method, places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc, aluminum and so on. A pretreatment method for coating comprising treating a substance to be treated by a chemical conversion coating agent to form a chemical conversion coat, wherein the chemical conversion coating agent comprises: at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and at least one kind selected from the group consisting of amino group-containing silane coupling agents, hydrolysates thereof and polymers thereof.