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

Patent Owner(s)

Patent Owner	Address
SICHUAN UNIVERSITY	610065 NO 24 SOUTH SECTION OF RING ROAD SICHUAN CHENGDU CHENGDU CITY SICHUAN PROVINCE 610065

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• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jiang, Xiaoping	Chengdu, CN	19	72
Li, Nan	Chengdu, CN	342	1421
Zhang, Xinshen	Chengdu, CN	6	5

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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	Jul 2, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 2, 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
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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
January 02, 2018	US,9857348,B2   US9857348B2	GRANTED PATENT AS SECOND PUBLICATION
September 17, 2015	US,20150260701,A1   US20150260701A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9857348

Method and apparatus for simultaneous online assay of nitrites and nitrates in water samples

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