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

Patent Owner(s)

Patent Owner	Address
CORN PRODUCTS DEVELOPMENT INC	5 WESTBROOK CORPORATE CENTER WESTCHESTER IL 60154

International Classification(s)

• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Gonzalez, Carlos Eduardo Hurtado	Shanghai, CN	1	3

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Sep 6, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 6, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
March 06, 2018	US,9908801,B2   US9908801B2	GRANTED PATENT AS SECOND PUBLICATION
March 30, 2017	US,20170088451,A9   US20170088451A9	CORRECTED PATENT APPLICATION
August 04, 2016	US,20160221851,A1   US20160221851A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2017/0088,451

ELIMINATION OF SODIUM SULFATE FROM BIOLOGICALLY TREATED WASTEWATER

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