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:
Jun. 26, 2018
Filed:
Jun. 08, 2011
Yusuke Miura, Tokyo, JP;
Toshiaki Shimakura, Tokyo, JP;
Yusuke Miura, Tokyo, JP;
Toshiaki Shimakura, Tokyo, JP;
Chemetall GmbH, Frankfurt, DE;
Abstract
An inorganic chromium-free metal surface treatment agent contains a compound X containing a metal X, ionic species of which containing the metal Xbecome cations in an aqueous solution, and a compound Y containing a metal Y, ionic species of which containing the metal Ybecome anions in an aqueous solution, a total content of the compound X being from 0.01 to 10% by mass, a total content of the compound Y being from 0.01 to 10% by mass, a molar ratio of the metal Xin the cation and the metal Yin the anion being from 0.1 to 5, the metal Xbeing at least one member selected from the group consisting of Ti, Zr and Al, the metal Ybeing at least one member selected from the group consisting of Ti, Zr, Si, B and Al, and the metal surface treatment agent containing substantially no organic resin.