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. 15, 2015
Filed:
Jun. 28, 2011
Shigeru Hirano, Tokyo, JP;
Akira Tachiki, Tokyo, JP;
Hirokazu Yokoya, Tokyo, JP;
Morio Yanagihara, Tokyo, JP;
Makoto Kawabata, Tokyo, JP;
Shigeru Hirano, Tokyo, JP;
Akira Tachiki, Tokyo, JP;
Hirokazu Yokoya, Tokyo, JP;
Morio Yanagihara, Tokyo, JP;
Makoto Kawabata, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
The present invention provides a steel sheet for a container including a cold-rolled steel sheet and a composite film formed on the cold-rolled steel sheet through an electrolysis process in a solution containing: at least one metal ion of an Sn ion, an Fe ion, and an Ni ion; Zr ion; a nitric acid ion: and an ammonium ion, in which the composite film contains at least one element of: Zr of 0.1 to 100 mg/min equivalent units of metal Zr; Sn of 0.3 to 20 g/min equivalent units of metal Sn; Fe of 5 to 2000 mg/min equivalent units of metal Fe; and Ni of 5 to 2000 mg/min equivalent units of metal Ni.