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:
Mar. 31, 2009
Filed:
Dec. 23, 2003
Masahiko Matsukawa, Nishitokyo, JP;
Kazuhiro Makino, Yokohama, JP;
Toshiaki Shimakura, Ichikawa, JP;
Masahiko Matsukawa, Nishitokyo, JP;
Kazuhiro Makino, Yokohama, JP;
Toshiaki Shimakura, Ichikawa, JP;
Nippon Paint Co., Ltd., Kita-ku, Osaka, JP;
Abstract
The present invention disclosure provides a chemical conversion coating agent which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc and aluminum, and a surface-treated metal obtained using the same. The chemical conversion coating agent comprising: at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and a water-soluble resin, wherein said water-soluble resin has, in at least a part thereof, a constituent unit expressed by the chemical formula (1): and/or the chemical formula (2):