Process for controlling acid in sulfide pressure oxidation processes

United States of America Patent

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Sep 11, 2012
Grant Date
Mar 19, 2009
app pub date
Sep 12, 2008
filing date
Sep 18, 2007

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Abstract

The present invention is directed to flotation of refractory gold sulfide ores and to pressure oxidized residue neutralization using flotation tailings that have been contacted with an off gas of pressure oxidation.

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Patent Owner(s)

Patent Owner	Address
BARRICK GOLD CORPORATION	161 BAY STREET SUITE 3700 TORONTO M5J 2S1

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C22B:PRODUCTION OR REFINING OF METALS

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Inventor Name	Address	# of filed Patents	Total Citations
Ahern, Noelene	Burnaby, CA	4	23
Choi, Yeonuk	Oakville, CA	18	80
Hillier, Daniel	Oakville, CA	3	27

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Process for controlling acid in sulfide pressure oxidation processes

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United States of America Patent

12209939

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PATENT NO	8262770
APP PUB NO	20090071296A1
SERIAL NO	12209939
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 11, 2012	US,8262770,B2 US8262770B2	GRANTED PATENT AS SECOND PUBLICATION
March 19, 2009	US,20090071296,A1 US20090071296A1	FIRST PUBLISHED PATENT APPLICATION

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12209939

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