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. 19, 2019
Filed:
Dec. 17, 2014
Posco, Pohang-Si, Gyeongsangbuk-Do, KR;
Min Soo Han, Pohang-si, KR;
Chang Soo Park, Pohang-si, KR;
Dae-Uk Kim, Pohang-si, KR;
Ho-Kyung Shim, Pohang-si, KR;
Soon-Bok Park, Pohang-si, KR;
POSCO, Pohang-si, Gyeongsangbuk-ro, KR;
Abstract
A coating agent for an electrical steel sheet and a manufacturing method therefor are disclosed. A coating agent for an electrical steel sheet according to an example embodiment of the present invention includes a metal phosphate derivative solution, colloid silica, chromium oxide, and solid silica, and a solvent, wherein the metal phosphate derivative is a single material of a magnesium phosphate derivative or a mixed material of an aluminum phosphate derivative and a magnesium phosphate derivative, and in the mixed material, an amount of aluminum phosphate derivative is 10 wt % or less (not including 0%).