Title:
SOLUTION COMPOSITION FOR CHEMICAL TREATMENT OF TRIVALENT CHROMIUM, PREPARATION METHOD THEREOF, CHEMICAL TREATMENT METHOD OF ELECTROLYTIC TINPLATE STEEL USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/161361
Kind Code:
A1
Abstract:
The present invention relates to a solution composition for chemical treatment of trivalent chromium used in a manufacturing process of an electrolytic tinplate steel, a preparation method thereof, and a method for chemical treatment of the electrolytic tinplate steel using the same.
Inventors:
KO EUN-SEONG (KR)
AHN DUK-SOO (KR)
CHANG SAM-KYU (KR)
AHN DUK-SOO (KR)
CHANG SAM-KYU (KR)
Application Number:
PCT/KR2011/003836
Publication Date:
November 29, 2012
Filing Date:
May 25, 2011
Export Citation:
Assignee:
DONGBU STEEL CO LTD (KR)
KO EUN-SEONG (KR)
AHN DUK-SOO (KR)
CHANG SAM-KYU (KR)
KO EUN-SEONG (KR)
AHN DUK-SOO (KR)
CHANG SAM-KYU (KR)
International Classes:
C25D3/06; C25D3/30
Foreign References:
| KR100996298B1 | 2010-11-23 | |||
| KR100858711B1 | 2008-09-17 | |||
| KR100970951B1 | 2010-07-21 | |||
| JPH08337897A | 1996-12-24 |
Other References:
PARAMONOV, V. A. ET AL.: "Passivation of Electrolytical Tin-plate in Trivalent Chromium Solutions", PROTECTION OF METALS, vol. 40, no. 3, 2004, pages 271 - 274
Attorney, Agent or Firm:
HANYANG PATENT FIRM (412-1 Dogok-dong Gangnam-gu, Seoul 135-854, KR)
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Claims: