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:
Mar. 29, 2016
Filed:
Mar. 28, 2012
Young-jin Kwak, Gwangyang-si, KR;
Dong-yun Kim, Anyang-si, KR;
Woo-sung Jung, Gwangyang-si, KR;
Kyung-hoon Nam, Gwangyang-si, KR;
Dong-yoeul Lee, Gwangyang-si, KR;
Seok-jun Hong, Gwangyang-si, KR;
Tae-yeob Kim, Gwangyang-si, KR;
Yong-hwa Jung, Gwangyang-si, KR;
Mun-jong Eom, Gwangyang-si, KR;
Myoung-hee Choi, Anyang-si, KR;
Gab-yong Kim, Nam-gu, KR;
Sang-hoon Park, Gwangyang-si, KR;
Sang-cheol Lee, Gwangyang-si, KR;
Yang-woo Nam, Gwangyang-si, KR;
Young-Jin Kwak, Gwangyang-si, KR;
Dong-Yun Kim, Anyang-si, KR;
Woo-Sung Jung, Gwangyang-si, KR;
Kyung-Hoon Nam, Gwangyang-si, KR;
Dong-Yoeul Lee, Gwangyang-si, KR;
Seok-Jun Hong, Gwangyang-si, KR;
Tae-Yeob Kim, Gwangyang-si, KR;
Yong-Hwa Jung, Gwangyang-si, KR;
Mun-Jong Eom, Gwangyang-si, KR;
Myoung-Hee Choi, Anyang-si, KR;
Gab-Yong Kim, Nam-gu, KR;
Sang-Hoon Park, Gwangyang-si, KR;
Sang-Cheol Lee, Gwangyang-si, KR;
Yang-Woo Nam, Gwangyang-si, KR;
POSCO, Pohang-si, KR;
NOROO COIL COATINGS CO., LTD., Anyang-si, KR;
Abstract
Provided is a film formation composition for improving the blackening of the surface of a steel sheet, particularly, the surface of a steel sheet containing Mg on the surface thereof, such as a Mg sheet, a plated steel sheet having a plated layer comprising Mg, and the like, a steel sheet comprising a film formed by the composition, and a method for forming the film. Provided are a film formation composition for preventing the blackening of the surface of the steel sheet, comprising: 2.5-7.5 parts by weight of a water-soluble phenoxy resin; 0.1-0.5 parts by weight of a fluorometal acid; 0.1-0.5 parts by weight of a metal compound; and 1-5 parts by weight of a cross-linking agent.