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Title:
ZINC-BASED METAL PLATED STEEL SHEET TREATED WITH PHOSPHATE EXCELLENT IN FORMABILITY AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2002/036854
Kind Code:
A1
Abstract:
A zinc-based metal plated steel sheet excellent in formability having a phosphate film on the surface thereof, characterized in that the phosphate film contains a polyolefin wax or a modified polyolefin wax; a method for producing the galvanized steel sheet, characterized in that it comprises subjecting a surface of a galvanized steel sheet to a phosphate treatment and then applying an aqueous solution containing a polyolefin wax or a modified polyolefin wax, a phosphate ion and a polyvalent metal ion to the resultant steel sheet, followed by drying.

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Inventors:
SHINDOU HIDETOSHI (JP)
ISIZUKA KIYOKAZU (JP)
YAMADA TERUAKI (JP)
KIKUCHI IKUO (JP)
KAWAI KENJI (JP)
KATSUYAMA NORIO (JP)
Application Number:
PCT/JP2000/007774
Publication Date:
May 10, 2002
Filing Date:
November 06, 2000
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
SHINDO HIDETOSHI (JP)
ISIZUKA KIYOKAZU (JP)
YAMADA TERUAKI (JP)
KIKUCHI IKUO (JP)
KAWAI KENJI (JP)
KATSUYAMA NORIO (JP)
International Classes:
C10M101/02; C10M173/02; C23C22/73; C23C22/83; B05D7/00; B05D7/14; (IPC1-7): C23C22/07; C23C22/12; C23C22/18; C23C22/20; C23C22/22; C23C22/78; C23C22/83
Foreign References:
EP0653502A21995-05-17
JPH06299367A1994-10-25
JPH08252520A1996-10-01
Attorney, Agent or Firm:
Kishida, Masayuki (Marunouchi-Yaesu Building 6-2 Marunouchi 2-chome Chiyoda-ku, Tokyo, JP)
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