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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:
A3
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 (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
SONG, Yon-Kyun (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
PARK, Ji-Hoon (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
YUN, Hoon (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
CHOE, Seok-Chan (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
KO, Kyoung-Pil (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
Application Number:
KR2016/014897
Publication Date:
August 10, 2017
Filing Date:
December 19, 2016
Export Citation:
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Assignee:
POSCO (6261, Donghaean-ro Nam-gu,Pohang-si, Gyeongsangbuk-do, 37859, 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:
JP2006028574A2006-02-02
JPS63224769A1988-09-19
JP3441715B22003-09-02
JP2014080614A2014-05-08
JP2006002207A2006-01-05
Other References:
See also references of EP 3392377A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (7th Floor, Daelim Acrotel13, Eonju-ro 30-gil,Gangnam-gu, Seoul, 06292, KR)
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