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:
Apr. 24, 2012
Filed:
Nov. 18, 2009
Young-yoon Choi, Daejeon, KR;
Sang-bae Kim, Daejeon, KR;
Byung-su Kim, Kunsan, KR;
Hoo-in Lee, Daejeon, KR;
Young-Yoon Choi, Daejeon, KR;
Sang-Bae Kim, Daejeon, KR;
Byung-Su Kim, Kunsan, KR;
Hoo-In Lee, Daejeon, KR;
Abstract
A method of removing lead sulfide contained in refined molybdenite powder concentrates (major component; MoS) is provided. More specifically, in order to solve the problems associated with a leaching method using a leaching agent that is employed for conventional hydrometallurgical process, oxygen-free inert gas is circulated in a furnace for pyrometallurgical treatment to evaporate lead sulfide at high temperature, followed by condensing process to recover lead sulfide at low temperature. The method is characterized in that, it can reduce environmental contamination and can easily recover sulfides of valuable metals such as lead, indium, zinc and the like.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile