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. 28, 2013
Filed:
Jul. 17, 2012
Jae-won Lim, Daejeon, KR;
Jung-min OH, Daejeon, KR;
Back-kyu Lee, Daejeon, KR;
Chang-youl Suh, Daejeon, KR;
Sung-wook Cho, Daejeon, KR;
Jae-Won Lim, Daejeon, KR;
Jung-Min Oh, Daejeon, KR;
Back-Kyu Lee, Daejeon, KR;
Chang-Youl Suh, Daejeon, KR;
Sung-Wook Cho, Daejeon, KR;
Abstract
Disclosed is a method for preparing low-oxygen titanium powders. The method includes (a) separately placing titanium base powders and calcium in a deoxidation container, (b) deoxidizing the titanium base powders by heating an inner part of the deoxidation container at a temperature of 850° C. to 1050° C. so that the calcium is evaporated to make contact with the titanium base powders, (c) removing calcium oxide from surfaces of titanium powders, which are obtained by deoxidizing the titanium base powders in step (b), by washing the titanium powders, and (d) drying the titanium powders subject to the removing of the calcium oxide in step (c).