Method for thiosulfate leaching of precious metal-containing materials

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Jan 17, 2012
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May 6, 2010
app pub date
Jan 7, 2010
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Nov 15, 2002

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Abstract

Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ heap leaching or lixiviants that include one or more blinding agents.

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Patent Owner	Address
PLACER DOME TECHNICAL SERVICES LIMITED	VANCOUVER

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C22B:PRODUCTION OR REFINING OF METALS

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Inventor Name	Address	# of filed Patents	Total Citations
Hackl, Ralph Peter	Vancouver, CA	21	227
Ji, Jinxing	Burnaby, CA	17	299
West-Sells, Paul George	Vancouver, CA	11	238

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Method for thiosulfate leaching of precious metal-containing materials

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12683967

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PATENT NO	8097227
APP PUB NO	20100111751A1
SERIAL NO	12683967
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 17, 2012	US,8097227,B2 US8097227B2	GRANTED PATENT AS SECOND PUBLICATION
May 06, 2010	US,20100111751,A1 US20100111751A1	FIRST PUBLISHED PATENT APPLICATION

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12683967

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