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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
• D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
MATSUMURA, Hiroyuki	Tokyo, JP	55	888
TAKAHASHI, Keita	Tokyo, JP	260	991

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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	Sep 14, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 14, 2030

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
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

Full Text

US Patent Application No: 2019/0077,885

CELLULOSE ACETATE

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