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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
COLORADO SCHOOL OF MINES	1500 ILLINOIS STREET GOLDEN CO 80401

International Classification(s)

• C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
• E21B:EARTH OR ROCK DRILLING
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dorgan, John R	Golden, US	13	82

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 16, 2010	US,7662275,B2   US7662275B2	GRANTED PATENT AS SECOND PUBLICATION
December 06, 2007	US,20070277973,A1   US20070277973A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7662275

Methods of managing water in oil shale development

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