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

Patent Owner(s)

Patent Owner	Address
ALCON INC	SWITZERLAND ZUG ZUG

International Classification(s)

• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• C07D:HETEROCYCLIC COMPOUNDS
• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
• G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Laredo, Walter R	Fort Worth, US	41	1435

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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
April 10, 2012	US,8153703,B2   US8153703B2	GRANTED PATENT AS SECOND PUBLICATION
May 06, 2010	US,20100113641,A1   US20100113641A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8153703

UV/visible light absorbers for ophthalmic lens materials

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