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

Patent Owner(s)

Patent Owner	Address
AST PRODUCTS INC	MASSACHUSETTS MASSACHUSETTS

International Classification(s)

• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lin, Tung-Liang	Acton, MA	22	179
Loh, Ih-Huong	Lexington, MA	1	2
Sheu, Min-Shyan	Chelmsford, MA	39	896

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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
January 31, 2006	US,6992127,B2   US6992127B2	GRANTED PATENT AS SECOND PUBLICATION
May 27, 2004	US,20040102558,A1   US20040102558A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6992127

Polymeric coatings containing a pH buffer agent

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