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:
May. 10, 2011
Filed:
May. 21, 2010
Wataru Kurokawa, Yokohama, JP;
Mitsuhide Aihara, Yokohama, JP;
Wataru Kurokawa, Yokohama, JP;
Mitsuhide Aihara, Yokohama, JP;
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Abstract
A method of treating surfaces of a steel plate by forming an inorganic film on the surfaces of the steel plate by cathodic electrolytic treatment in an aqueous solution containing Zr and F and not containing phosphoric acid ions. Also disclosed is a method of treating surfaces of a steel plate by cathodic electrolytic treatment in aqueous solution containing Zr, F and P, and having a phosphoric acid ion concentration in a range of larger than 0 to smaller than 0.003 mols/liter calculated as PO.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile