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:
Feb. 23, 2021
Filed:
Nov. 15, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Joon Chul Yun, Incheon, KR;
Hyun Gon Lyu, Hwaseong-si, KR;
Hyun Kyu Choi, Hwaseong-si, KR;
Ji Min Yu, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A method of manufacturing iron powder configured for improving a recovery rate of chromium using ingot including chromium in a content suitably higher than a target content at the time of manufacturing iron powder including chromium, may include preparing ingot further including chromium (Cr) so that a content of chromium (Cr) in the ingot is 1 to 30% higher than a target content of chromium (Cr) in finally produced iron powder; dissolving the ingot to prepare molten steel; forming iron powder by performing water atomization on the molten steel; and adjusting a content of carbon (C) in the iron powder by performing reduction treatment on the iron powder.