Alpha alumina for the production of sapphire single crystal and method for producing the same

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Mar 5, 2013
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Sep 15, 2011
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Mar 7, 2011
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Mar 9, 2010

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Abstract

An object of the present invention is to provide α alumina for the production of a sapphire single crystal, capable of producing a sapphire single crystal with high production efficiency; and a method for producing the same.

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SUMITOMO CHEMICAL COMPANY LIMITED	TOKYO 103-6020

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C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....

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Inventor Name	Address	# of filed Patents	Total Citations
Fujiwara, Shinji	Niihama, JP	115	2886
Ozaki, Hirotaka	Niihama, JP	15	109

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Alpha alumina for the production of sapphire single crystal and method for producing the same

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United States of America Patent

13041833

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PATENT NO	8388929
APP PUB NO	20110223423A1
SERIAL NO	13041833
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 05, 2013	US,8388929,B2 US8388929B2	GRANTED PATENT AS SECOND PUBLICATION
September 15, 2011	US,20110223423,A1 US20110223423A1	FIRST PUBLISHED PATENT APPLICATION

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13041833

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