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

Patent Owner(s)

Patent Owner	Address
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA	1111 FRANKLIN STREET OAKLAND CA 94607-5200

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• C07B:GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS TH....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dutta, Saikat	Oakland, US	6	11
Mascal, Mark	Oakland, US	11	60
Wu, Linglin	Oakland, US	4	0

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 12, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 12, 2031

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
May 12, 2020	US,10647670,B2   US10647670B2	GRANTED PATENT AS SECOND PUBLICATION
February 01, 2018	US,20180029980,A1   US20180029980A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 10647670

Preparation of compounds from levulinic acid

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