Xuecheng DONG

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Shizuishan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Valve metal particles uniformly containing nitrogen and the method...
- Patent number 8,238,078
- Issue date Aug 7, 2012
- Ningxia Orient Tantalum Industry Co., Ltd.
- Bin Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Process For Preparing Tantalum Powders For Use In An Electrolytic C...
- Publication number 20170072462
- Publication date Mar 16, 2017
- Ningxia Orient Tantalum Industry Co., Ltd.
- Zhongxiang LI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PASSIVATING TANTALUM METAL SURFACE AND APPARATUS THEREOF
- Publication number 20140076462
- Publication date Mar 20, 2014
- Ningxia Orient Tantalum Industry Co., Ltd.
- Aiguo Zheng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
VALVE METAL PARTICLES UNIFORMLY CONTAINING NITROGEN AND THE METHOD...
- Publication number 20090180240
- Publication date Jul 16, 2009
- Bin LI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...