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

Patent Owner(s)

Patent Owner	Address
AMCOL INTERNATIONAL CORPORATION	1500 WEST SHURE DRIVE ARLINGTON HEIGHTS IL 60004

International Classification(s)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• E02D:FOUNDATIONS; EXCAVATIONS; EMBANKMENTS
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Batra, Dolly	Wheaton, US	1	3
Donovan, Michael	Huntley, US	49	640
Webb, Nigel	Rhydymwyn, GB	2	12

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 2, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
August 02, 2016	US,9403974,B2   US9403974B2	GRANTED PATENT AS SECOND PUBLICATION
January 15, 2015	US,20150018594,A1   US20150018594A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9403974

Clay/polymer blend as high pH or ionic liquid barrier

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