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

Patent Owner(s)

Patent Owner	Address
THE CHILDREN'S HOSPITAL OF PHILADELPHIA	34TH & CIVIC CENTER BOULEVARD PHILADELPHIA PA 19104

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Alferiev, Ivan	Clementon, US	35	500
Levy, Robert J	Merion Station, US	67	3009
Stachelek, Stanley J	Philadelphia, US	8	11

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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	Jun 30, 2025

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
December 31, 2013	US,8618242,B2   US8618242B2	GRANTED PATENT AS SECOND PUBLICATION
April 12, 2012	US,20120089222,A1   US20120089222A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8618242

Photo-activated attachment of cholesterol to polyurethane surfaces for adhesion of endothelial cells

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