Rong Yu Wan

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Highlands Ranch, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Precious metal recovery using thiocyanate lixiviant
- Patent number 7,947,108
- Issue date May 24, 2011
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precious metal recovery using thiocyanate lixiviant
- Patent number 7,559,973
- Issue date Jul 14, 2009
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precious metal recovery using thiocyanate lixiviant
- Patent number 7,537,640
- Issue date May 26, 2009
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precious metal recovery using thiocyanate lixiviant
- Patent number 7,285,256
- Issue date Oct 23, 2007
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of precious metals from thiosulfate solutions
- Patent number 6,500,231
- Issue date Dec 31, 2002
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
PRECIOUS METAL RECOVERY USING THIOCYANATE LIXIVIANT
- Publication number 20090288521
- Publication date Nov 26, 2009
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PRECIOUS METAL RECOVERY USING THIOCYANATE LIXIVIANT
- Publication number 20080066577
- Publication date Mar 20, 2008
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PRECIOUS METAL RECOVERY USING THIOCYANATE LIXIVIANT
- Publication number 20080066578
- Publication date Mar 20, 2008
- Newmont USA Limited
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Precious metal recovery using thiocyanate lixiviant
- Publication number 20040197249
- Publication date Oct 7, 2004
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY OF PRECIOUS METALS FROM THIOSULFATE SOLUTIONS
- Publication number 20030015065
- Publication date Jan 23, 2003
- Rong Yu Wan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...