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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.:

US 9416460 B1

PDFFull Text
Date of Patent:
Aug. 16, 2016

Filed:

Sep. 14, 2011

Steel sheet for containers

Applicants:

Takeshi Suzuki, Chiba, JP;

Norihiko Nakamura, Chiba, JP;

Yuka Miyamoto, Kanagawa, JP;

Yoichi Tobiyama, Okayama, JP;

Inventors:

Takeshi Suzuki, Chiba, JP;

Norihiko Nakamura, Chiba, JP;

Yuka Miyamoto, Kanagawa, JP;

Yoichi Tobiyama, Okayama, JP;

Assignee:

JFE STEEL CORPORATION, Tokyo, JP;

Attorney:

Young & Thompson

Primary Examiner:

Michael E La Villa

Int. Cl.
CPC ...
C25D 11/00 (2006.01); C25D 11/36 (2006.01); C25D 7/06 (2006.01); B32B 15/04 (2006.01); B32B 15/08 (2006.01); B32B 15/18 (2006.01); C23C 28/00 (2006.01); C23C 22/36 (2006.01); C23C 22/00 (2006.01); C23C 22/05 (2006.01); C23C 30/00 (2006.01); C25D 5/12 (2006.01); C25D 5/50 (2006.01); C23C 22/34 (2006.01); C25D 9/08 (2006.01); B32B 15/01 (2006.01); C21D 8/02 (2006.01);
U.S. Cl.
CPC ...
C25D 11/00 (2013.01); B32B 15/013 (2013.01); B32B 15/015 (2013.01); C21D 8/0278 (2013.01); C23C 22/00 (2013.01); C23C 22/05 (2013.01); C23C 22/34 (2013.01); C23C 22/36 (2013.01); C23C 28/00 (2013.01); C23C 28/32 (2013.01); C23C 28/321 (2013.01); C23C 28/322 (2013.01); C23C 28/34 (2013.01); C23C 28/345 (2013.01); C23C 30/00 (2013.01); C23C 30/005 (2013.01); C25D 5/12 (2013.01); C25D 5/505 (2013.01); C25D 7/0614 (2013.01); C25D 9/08 (2013.01); C25D 11/36 (2013.01); Y10T 428/12535 (2015.01); Y10T 428/12556 (2015.01); Y10T 428/12569 (2015.01); Y10T 428/12597 (2015.01); Y10T 428/12604 (2015.01); Y10T 428/12611 (2015.01); Y10T 428/12618 (2015.01); Y10T 428/12708 (2015.01); Y10T 428/12722 (2015.01); Y10T 428/12944 (2015.01); Y10T 428/12958 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/2495 (2015.01); Y10T 428/24967 (2015.01); Y10T 428/254 (2015.01); Y10T 428/256 (2015.01); Y10T 428/265 (2015.01); Y10T 428/27 (2015.01);
Abstract

Disclosed is a steel sheet for containers that maintains excellent corrosion resistance even when a surface treatment that replaces a chromate treatment has been conducted, and that has excellent film adhesion qualities and appearance. This steel plate for containers has, on at least one surface thereof, a chemical conversion coating including at least two coatings selected from a zirconium coating that contains zirconium and has a metal zirconium content of 0.1-9 mg/m, a phosphate coating that contains phosphoric acid and has a phosphorous content of 0.1-8 mg/m, and a phenolic resin coating that contains phenolic resin in an amount of 0.5-8 mg/min terms of carbon, the percentage of the area of the surface of the chemical conversion coating layer having particles Of a prescribed size being 0.1-50%.

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