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

Patent Owner(s)

Patent Owner	Address
NORTHWESTERN UNIVERSITY	633 CLARK STREET EVANSTON IL 60208
KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)	P O BOX 6086 RIYADH 11442

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barnes, Jonathan C	Waltham, US	4	10
Dale, Edward J	Evanston, US	1	1
Juricek, Michal	Basel, CH	1	1
Stoddart, James Fraser	Evanston, US	44	158
Vermeulen, Nicolaas A	Indianapolis, US	1	1

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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	May 28, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 28, 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
November 28, 2017	US,9828259,B2   US9828259B2	GRANTED PATENT AS SECOND PUBLICATION
August 11, 2016	US,20160229708,A1   US20160229708A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9828259

Excage: synthesis of viologen-like pyridinium-based cages for the selective capture of polycyclic aromatic hydrocarbons

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