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

Patent Owner(s)

Patent Owner	Address
COVESTRO DEUTSCHLAND AG	LEVERKUSEN GERMANY LEVERKUSEN NORTH RHINE-WESTPHALIA

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Gu, Yongming	Shanghai, CN	12	11
Han, Xiaojun	Shanghai, CN	32	155
Li, Yi Qing	Shanghai, CN	3	0
Sun, Guobin	Shanghai, CN	26	116
Zhang, John	Shanghai, CN	94	1844

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Mar 28, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 28, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 28, 2035

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Surcharge - 3.5 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: 2023/0303,801

A METHOD FOR STABLY STORING AN ISOCYANURATE COMPOSITION

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