Process for reduced alkali consumption in the recovery of silver

United States of America Patent

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Aug 28, 2012
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Dec 20, 2007
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Jun 11, 2007
filing date
Jun 15, 2006

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Abstract

The present invention is directed to a precious metal recovery process in which basic ferric sulphates and/or jarosites are controlled by hot curing of the autoclave discharge slurry followed by decomposition of argentojarosite using strong acid consumers.

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Patent Owner	Address
BARRICK GOLD CORPORATION	TORONTO ON M5J 2S1

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C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....

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Inventor Name	Address	# of filed Patents	Total Citations
Choi, Yeonuk	Oakville, CA	17	69
Kondos, Peter D	Toronto, CA	3	16
McMullen, Jacques	Oakville, CA	8	76

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Process for reduced alkali consumption in the recovery of silver

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11761103

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PATENT NO	8252254
APP PUB NO	20070292326A1
SERIAL NO	11761103
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 28, 2012	US,8252254,B2 US8252254B2	GRANTED PATENT AS SECOND PUBLICATION
December 20, 2007	US,20070292326,A1 US20070292326A1	FIRST PUBLISHED PATENT APPLICATION

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11761103

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