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

Patent Owner(s)

Patent Owner	Address
3V SIGMA S P A	VIA FATEBENEFRATELLLI 20 MILANO (MI) 20121

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
• D06L:BLEACHING, e.g. OPTICAL BLEACHING, DRY-CLEANING, O....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Alborghetti, Patrick	Bergamo, IT	1	3
Berte', Ferruccio	Bergamo, IT	17	55

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 8, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 08, 2016	US,9487503,B2   US9487503B2	GRANTED PATENT AS SECOND PUBLICATION
November 20, 2014	US,20140339462,A1   US20140339462A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9487503

Stilbene optical brighteners

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