Abrasive compound for glass hard disk platter

United States of America Patent

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Aug 25, 2009
Grant Date
Apr 8, 2004
app pub date
Oct 6, 2003
filing date
Jun 28, 1999

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Abstract

in a concentration of 0.2 to 30 wt %. Preferably, the present invention provides the above abrasive compound in which cerium amounts for 95% or more in terms of oxides of the total amount of rare earth elements in the abrasive.

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NISSAN CHEMICAL INDUSTRIES, LTD.

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Inventor Name	Address	# of filed Patents	Total Citations
Nishimura, Tohru	Sodeguara , JP	21	234
Ota, Isao	Sodegaura , JP	31	595
Tanimoto, Kenji	Nei-gun , JP	77	873

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Abrasive compound for glass hard disk platter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10678093

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PATENT NO	7578862
APP PUB NO	20040065023A1
SERIAL NO	10678093
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 25, 2009	US,7578862,B2 US7578862B2	GRANTED PATENT AS SECOND PUBLICATION
April 08, 2004	US,20040065023,A1 US20040065023A1	FIRST PUBLISHED PATENT APPLICATION

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