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

Patent Owner(s)

Patent Owner	Address
UNIVERSITY OF DURHAM	MOUNTJOY RESEARCH CENTRE BLOCK 2 STOCKTON ROAD DURHAM DH1 3UP

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
HARSANYI, Antal	Durham, GB	3	0
SANDFORD, Graham	Durham, GB	13	29

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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	Apr 19, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 19, 2029

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
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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

Full Text

US Patent Application No: 2017/0298,028

Process for Producing Fluorocytosine and Fluorocytosine Derivatives

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