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

Patent Owner(s)

Patent Owner	Address
BOSTON SCIENTIFIC SCIMED INC	ONE SCIMED PLACE MAPLE GROVE MN 55311-1566

International Classification(s)

• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Casey, II Thomas V	Grafton, MA	3	101
Kapoglis, Greg	Attleboro, MA	3	273
Lanphere, Janel L	Flagstaff, AZ	16	332
Pierre, Ernest J	Attleboro, MA	1	37

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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 11, 2008	US,7449236,B2   US7449236B2	GRANTED PATENT AS SECOND PUBLICATION
May 20, 2004	US,20040096662,A1   US20040096662A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7449236

Porous polymeric particle comprising polyvinyl alcohol and having interior to surface porosity-gradient

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