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

Patent Owner(s)

Patent Owner	Address
ASAHI KASEI KABUSHIKI KAISHA	OSAKA JAPAN OSAKA
THE RITSUMEIKAN TRUST	8 NISHINOKYO-HIGASHI-TOGANO-CHO NAKAGYO-KU KYOTO 604-8520

International Classification(s)

• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ogawa, Keishiro	Kusatsu, JP	1	0
Tamiaki, Hitoshi	Kusatsu, JP	2	0
Toma, Kazunori	Tokyo, JP	4	12

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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	Jul 21, 2025

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
January 21, 2014	US,8633022,B2   US8633022B2	GRANTED PATENT AS SECOND PUBLICATION
December 22, 2011	US,20110312092,A1   US20110312092A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8633022

Dual-terminal amide hydrogelling agent

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