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Patent Searching and Data


Title:
STEEL SHEET FOR CONTAINERS AND METHOD FOR PRODUCING STEEL SHEET FOR CONTAINERS
Document Type and Number:
WIPO Patent Application WO/2019/156245
Kind Code:
A1
Abstract:
This steel sheet for containers comprises a base steel sheet, a chromium metal layer and a chromium-containing layer. This steel sheet for containers is configured such that: the chromium metal layer is positioned on at least one surface of the base steel sheet; the chromium-containing layer is positioned on the chromium metal layer, while containing a trivalent chromium compound in the form of particles, or alternatively containing a trivalent chromium compound in the form of particles and chromium metal in the form of particles; the chromium metal layer and the chromium-containing layer are arranged on the base steel sheet in the form of two separate layers; the average particle diameter of the trivalent chromium compound and the chromium metal is from 10 nm to 100 nm (inclusive) in the chromium-containing layer; and the adhesion amount of the chromium-containing layer is from 1.0 mg/m2 to 100 mg/m2 (inclusive) in terms of Cr.

Inventors:
TANI Yoshiaki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
HIRANO Shigeru (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2019/004740
Publication Date:
August 15, 2019
Filing Date:
February 08, 2019
Export Citation:
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Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
C25D11/38
Foreign References:
JP2015520794A2015-07-23
JPH11200091A1999-07-27
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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