Method of purifying niobium compound and/or tantalum compound

United States of America Patent

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Issued Date
Jun 9, 2005
app pub date
Aug 26, 2004
filing date
Feb 27, 2002

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Abandoned

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Abstract

The present invention provides a method for purifying a niobium compound and/or tantalum compound in a simplified manner at a low cost. This is accomplished by providing a method for purifying a niobium compound and/or tantalum compound whereby a niobium compound and/or tantalum compound dissolved in a solvent is allowed to precipitate to be isolated.

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Patent Owner(s)

Patent Owner	Address
STELLA CHEMIFA KABUSHIKI KAISHA	OSAKA-SHI OSAKA 541-0047

International Classification(s)

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

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Aoki, Kenji	Osaka, JP	186	2782
Hashiguchi, Shinji	Osaka, JP	52	523
Izumi, Hiroto	Osaka, JP	11	13
Kawawaki, Masatsugu	Osaka, JP	3	3
Kikuyama, Hirohisa	Osaka, JP	45	501
Murakami, Yuko	Osaka, JP	11	27
Waki, Masahide	Osaka, JP	25	132
Yazaki, Hirofumi	Osaka, JP	8	136

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Method of purifying niobium compound and/or tantalum compound

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10505806

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APP PUB NO	20050123459A1
SERIAL NO	10505806
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10505806

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