Method of extracting hexavalent chromium

United States of America Patent

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Apr 17, 2012
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Apr 17, 2008
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Apr 12, 2006
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May 18, 2005

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Abstract

Hexavalent chrome is extracted from a film on a workpiece which film contains hexavalent chrome and reduced by contacting the contacting workpiece with a liquid or fine particle reducing agent.

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Patent Owner	Address
YOSHIDA HIDEO	2-9-2 MATSUGAOKA TOKOROZAWA-SHI SAITAMA 359-1132

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C25F:PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIAL....

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Inventor Name	Address	# of filed Patents	Total Citations
Shindo, Morihisa	Higashimurayama, JP	1	0
Yoshida, Hideo	Tokorozawa, JP	223	1974

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Method of extracting hexavalent chromium

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United States of America Patent

11666268

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PATENT NO	8157982
APP PUB NO	20080087553A1
SERIAL NO	11666268
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 17, 2012	US,8157982,B2 US8157982B2	GRANTED PATENT AS SECOND PUBLICATION
April 17, 2008	US,20080087553,A1 US20080087553A1	FIRST PUBLISHED PATENT APPLICATION

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11666268

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