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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.:

US 12637586 B1

PDFFull Text
Date of Patent:
May. 26, 2026

Filed:

Jul. 14, 2023

Method of manufacturing a stainless steel sheet having etching patterns

Applicant:

Posco Co., Ltd, Pohang-si, KR;

Inventors:

Jin-Tae Kim, Gwangyang-si, KR;

Ha-Na Choi, Gwangyang-si, KR;

Yang-Ho Choi, Gwangyang-si, KR;

Jung-Hwan Lee, Gwangyang-si, KR;

Yon-Kyun Song, Gwangyang-si, KR;

Jong-Kook Kim, Gwangyang-si, KR;

Assignee:

POSCO CO., LTD, Pohang-si, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Christina HW. Rosebach

Int. Cl.
CPC ...
C09D 183/06 (2006.01); B05D 3/06 (2006.01); B05D 7/00 (2006.01); B05D 7/14 (2006.01); B41M 1/28 (2006.01); B41M 5/00 (2006.01); C08L 75/04 (2006.01); C09D 5/08 (2006.01); C09D 7/47 (2018.01); C09D 11/101 (2014.01); C09D 183/08 (2006.01); C08K 3/22 (2006.01); C08K 3/36 (2006.01); C08K 5/09 (2006.01); C08K 5/52 (2006.01); C08K 5/56 (2006.01);
U.S. Cl.
CPC ...
C09D 183/06 (2013.01); B05D 3/067 (2013.01); B05D 7/14 (2013.01); B05D 7/52 (2013.01); B41M 1/28 (2013.01); B41M 5/0047 (2013.01); C08L 75/04 (2013.01); C09D 5/08 (2013.01); C09D 7/47 (2018.01); C09D 11/101 (2013.01); C09D 183/08 (2013.01); B05D 2202/15 (2013.01); C08K 3/22 (2013.01); C08K 2003/222 (2013.01); C08K 2003/2227 (2013.01); C08K 3/36 (2013.01); C08K 5/09 (2013.01); C08K 5/52 (2013.01); C08K 5/56 (2013.01); C08L 2201/10 (2013.01);
Abstract

Provided is a manufacturing method of a stainless steel sheet having etching patterns. The method includes: coating a coating composition on a stainless steel sheet to form a coating layer; and forming a matte coated film layer, having an etching effect, on the coating layer. The coating composition comprises: 10 to 30 wt % of a silane-based compound, 0.5 to 6 wt % of an organic acid, 0.1 to 3 wt % of a vanadium compound, 0.1 to 3 wt % of a magnesium compound, and a remainder of a solvent.

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