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:
Dec. 01, 2015
Filed:
Aug. 02, 2012
Guoqi Yang, Shizuishan, CN;
Wenfeng Shi, Shizuishan, CN;
Xifang Bao, Shizuishan, CN;
Yong LI, Shizuishan, CN;
Zhongxiang LI, Shizuishan, CN;
Zhangong Dong, Shizuishan, CN;
Xiaoyan Yang, Shizuishan, CN;
Guoqi Yang, Shizuishan, CN;
Wenfeng Shi, Shizuishan, CN;
Xifang Bao, Shizuishan, CN;
Yong Li, Shizuishan, CN;
Zhongxiang Li, Shizuishan, CN;
Zhangong Dong, Shizuishan, CN;
Xiaoyan Yang, Shizuishan, CN;
Ningxia Orient Tantalum Industry Co., Ltd., Ningxia, CN;
Abstract
The present invention relates to the tantalum powder and the process for preparing the same, and also relates to the electrolytic capacitor anode made of the tantalum powder. More particularly, the present invention relates to the tantalum powder having a BET surface area not more than 0.530 m/g, Fisher mean particle size not less than 3.00 μm. The present invention relates to the process for preparing the tantalum powder, wherein the tantalum powder is prepared through reducing tantalum compound with a reducing agent, wherein the tantalum powder as seed is added during reduction, and said tantalum powder as seed is the tantalum powder that has been milled.