Method for the beneficiation of coal

United States of America Patent

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Jan 6, 2015
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Jan 15, 2009
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Jan 15, 2008

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Abstract

The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a mixture of fatty acids and rosin acids (and/or certain derivatives of fatty acids and rosin acids) as a collector.

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INGEVITY SOUTH CAROLINA LLC	4920 O’HEAR AVENUE SUITE 400 NORTH CHARLESTON SC 29405

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B03D:FLOTATION; DIFFERENTIAL SEDIMENTATION

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Inventor Name	Address	# of filed Patents	Total Citations
Hines, John B	Atlanta, US	49	1291
Hurd, Phillip W	Conyers, US	22	234
Kennedy, Dennis	St. Paul, US	14	35

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Method for the beneficiation of coal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12353997

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US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 06, 2015	US,8925729,B2 US8925729B2	GRANTED PATENT AS SECOND PUBLICATION
July 16, 2009	US,20090178959,A1 US20090178959A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	8925729
SERIAL NO	12353997
DOCKET NO

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12353997

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