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

Patent Owner(s)

Patent Owner	Address
DUPONT ELECTRONIC MATERIALS HOLDING INC	451 BELLEVUE ROAD NEWARK DE 19713

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brady, Robert A	Coatesville, US	5	77
Hutt, Durron Andre	Wilmington, US	1	2
McClain, George Harry	Middletown, US	1	2
McHugh, Kathleen	Newark, US	8	73
Miller, Jeffrey Borcherdt	West Chester, US	4	68
Murnane, James T	Conshohocken, US	4	69
Young, Christopher Alan	Newark, US	1	2

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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
May 21, 2013	US,8444727,B2   US8444727B2	GRANTED PATENT AS SECOND PUBLICATION
February 21, 2013	US,20130042536,A1   US20130042536A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8444727

Method of manufacturing chemical mechanical polishing layers

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