Filter device for molten metal filtration and method for producing such filters

United States of America Patent

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Jun 21, 2011
Grant Date
Mar 19, 2009
app pub date
Sep 4, 2006
filing date
Sep 5, 2005

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Expired

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Abstract

The present invention relates to a ceramic filter device for molten metal filtration comprising a major ceramic phase and a minor carbon phase bonded by phosphate bond, a method for producing such filter devices, and the use of such filter devices for the filtration of molten steel.

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Patent Owner	Address
SUD-CHEMIE HI-TECH CERAMICS INC	6329 ROUTE 21 ALFRED STATION NY 14803

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Inventor Name	Address	# of filed Patents	Total Citations
Juma, Kassim	Staffordshire, GB	15	39

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Filter device for molten metal filtration and method for producing such filters

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12065878

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PATENT NO	7963402
APP PUB NO	20090071293A1
SERIAL NO	12065878
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 21, 2011	US,7963402,B2 US7963402B2	GRANTED PATENT AS SECOND PUBLICATION
March 19, 2009	US,20090071293,A1 US20090071293A1	FIRST PUBLISHED PATENT APPLICATION

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12065878

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