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Patent Searching and Data


Title:
COMPOSITION FOR WASHING PICKLED STEEL PLATE, METHOD FOR WASHING PICKLED STEEL PLATE BY USING SAME, AND STEEL PLATE OBTAINED THEREBY
Document Type and Number:
WIPO Patent Application WO/2017/105160
Kind Code:
A2
Abstract:
The present invention relates to a composition for washing a pickled steel plate, a method for washing a pickled steel plate by using the same, and a steel plate obtained thereby and, more specifically, to a composition for washing a pickled steel plate comprising a phosphoric acid ester compound, an amine-based compound, sodium carbonate, ammonium acetate, ethylene diamine tetraacetic acid(EDTA) and the remainder being water; and a method for washing a pickled steel plate by using the same.

Inventors:
PARK RHO-BUM (KR)
SONG YON-KYUN (KR)
PARK JI-HOON (KR)
YUN HOON (KR)
CHOE SEOK-CHAN (KR)
KO KYOUNG-PIL (KR)
Application Number:
KR2016/014897
Publication Date:
June 22, 2017
Filing Date:
December 19, 2016
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C23C26/00; C09D5/08; C09K15/32; C22C38/04; C23C2/40; C23C22/07; C23G1/08; C25D3/12; C25D3/22; C25D7/06
Foreign References:
KR20000082171A2000-12-26
KR20060079405A2006-08-22
US20170502A2002-07-23
JP2001319765A2001-10-17
Other References:
See also references of EP 3392377A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
특허법인 씨엔에스 (KR)
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