The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
May. 11, 2021
Applicant:
Posco, Pohang-si, KR;
Inventors:
Rho-Bum Park, Gwangyang-si, KR;
Yon-Kyun Song, Gwangyang-si, KR;
Ji-Hoon Park, Gwangyang-si, KR;
Hoon Yun, Gwangyang-si, KR;
Seok-Chan Choe, Gwangyang-si, KR;
Kyoung-Pil Ko, Gwangyang-si, KR;
Assignee:
POSCO, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 15/32 (2006.01); B08B 3/08 (2006.01); C09D 5/08 (2006.01); C09D 179/02 (2006.01); C23G 1/08 (2006.01);
U.S. Cl.
CPC ...
C09K 15/32 (2013.01); B08B 3/08 (2013.01); C09D 5/08 (2013.01); C09D 179/02 (2013.01); C23G 1/083 (2013.01);
Abstract
A composition for washing a pickled steel plate and a method for washing a pickled steel plate using the same are provided. The composition for washing a pickled steel plate includes a phosphoric acid ester compound, an amine-based compound, sodium carbonate, ammonium acetate, ethylene diamine tetraacetic acid (EDTA) and a remainder of water, and the method for washing a pickled steel plate is performed using the same.