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

Patent Owner(s)

Patent Owner	Address
TRONOX LLC	3301 NW 150TH STREET OKLAHOMA CITY OK 73134

International Classification(s)

• C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hua, Duen-Wh	Edgewood, US	2	16
Wen, Fu-Chu	Severna Park, US	12	115

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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
March 30, 2010	US,7686882,B2   US7686882B2	GRANTED PATENT AS SECOND PUBLICATION
February 28, 2008	US,20080047471,A1   US20080047471A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7686882

Titanium dioxide pigment having improved light stability

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