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

Patent Owner(s)

Patent Owner	Address
ASPEN RESEARCH CORPORATION	8401 JEFFERSON HIGHWAY MAPLE GROVE MN 55369

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
• C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Pearson, Roger	Minneapolis, US	4	4
Richards, Kenneth W	Plymouth, US	7	554
Spevacek, John A	Woodbury, US	6	249
Zigrino, Kenneth D	Eden Prairie, US	3	3

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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	Aug 23, 2027

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
February 23, 2016	US,9267009,B2   US9267009B2	GRANTED PATENT AS SECOND PUBLICATION
October 02, 2014	US,20140296366,A1   US20140296366A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9267009

Methods and systems of graft polymerization on a functionalized substrate

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