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. 26, 2006
Filed:
Sep. 06, 2001
Teruaki Izaki, Kitakyushu, JP;
Masahiro Fuda, Kitakyushu, JP;
Mitsuru Nakamura, Tokyo, JP;
Katsuyuki Kawakami, Tokyo, JP;
Kensuke Mizuno, Tokyo, JP;
Teruaki Izaki, Kitakyushu, JP;
Masahiro Fuda, Kitakyushu, JP;
Mitsuru Nakamura, Tokyo, JP;
Katsuyuki Kawakami, Tokyo, JP;
Kensuke Mizuno, Tokyo, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
A hexavalent chromium-free surface treating agent for Sn- or Al-based coated steel sheet, comprising a trivalent chromium compound (A), a water-dispersible silica (B), a lubricity imparting component (C) made of one or more waxes of polyolefin wax, fluorine-containing wax and paraffin wax, and water, a mass ratio on the solid content basis of the water-dispersible silica (B) to the lubricity imparting component (C), (B)/(C), being within a range from 5/95 to 95/5.