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

Patent Owner(s)

Patent Owner	Address
DAICEL CORPORATION	3-1 OFUKA-CHO KITA-KU OSAKA-SHI OSAKA 5300011 ?5300011

International Classification(s)

• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ashida, Yuya	Himeji, JP	6	1
Higuchi, Akihiro	Himeji, JP	19	54
Suzuki, Ikuhiro	Himeji, JP	14	15

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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 3, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 3, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 3, 2035

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 03, 2023	US,11773239,B2   US11773239B2	GRANTED PATENT AS SECOND PUBLICATION
September 09, 2021	US,20210277206,A1   US20210277206A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11773239

Cellulose acetate and molded article

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