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

Patent Owner(s)

Patent Owner	Address
TOSOH CORPORATION	YAMAGUCHI-KEN 746

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ikemoto, Mitsushige	Mie, JP	6	3
Oota, Futoshi	Mie, JP	3	1

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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	Apr 1, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 1, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 1, 2036

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
October 01, 2024	US,12104007,B2   US12104007B2	GRANTED PATENT AS SECOND PUBLICATION
September 30, 2021	US,20210301070,A1   US20210301070A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 12104007

Allophanate group-containing polyisocyanate composition, polyurethane resin-forming composition, seal material, membrane module

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