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

Patent Owner(s)

Patent Owner	Address
EASTMAN CHEMICAL COMPANY	200 SOUTH WILCOX DRIVE KINGSPORT TN 37660

International Classification(s)

• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barrett, Devin G	Jonesborough, US	11	21
De, Wit Jos Simon	Kingsport, US	22	129
Goetz, James Thomas	Kingsport, US	5	10
Goodrich, Jacob Donald	Johnson City, US	4	30
Islam, SM Bedarul	Kingsport, US	5	33
Iyer, Krishnan	Johnson City, US	9	110
Moody, Leslie Shane	Johnson City, US	36	467
Owens, Jeffrey Todd	Kingsport, US	16	149

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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	Mar 5, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 5, 2031

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: 2019/0270,054

GAS SEPARATION MEMBRANES COMPRISING CROSSLINKED CELLULOSE ESTERS

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