Calcium sulfate hemihydrate treatment process

United States of America Patent

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Nov 2, 2010
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Jun 26, 2008
app pub date
Dec 17, 2007
filing date
Dec 20, 2006

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Abstract

A process for treating beta calcium sulfate hemihydrate is disclosed. The process comprises exposing beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure.

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GYPSUM TECHNOLOGIES INC.

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Inventor Name	Address	# of filed Patents	Total Citations
Blow, Charles E	Bassingham-Lincoln, GB	2	7
Bruce, Robert Byron	Burlington, CA	2	7
Flumiani, Mark Richard	Brantford, CA	2	7

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Calcium sulfate hemihydrate treatment process

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United States of America Patent

11957667

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PATENT NO	7824490
APP PUB NO	20080148998A1
SERIAL NO	11957667
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 02, 2010	US,7824490,B2 US7824490B2	GRANTED PATENT AS SECOND PUBLICATION
June 26, 2008	US,20080148998,A1 US20080148998A1	FIRST PUBLISHED PATENT APPLICATION

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11957667

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