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

Patent Owner(s)

Patent Owner	Address
TETHIS INC	3401 SPRING FOREST RD RALEIGH NC 27616

International Classification(s)

• C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ayoub, Ali	Raleigh, US	9	206
Bray, James Charles	Raleigh, US	4	9
Chan, Ryan Nicholas	Cary, US	13	25

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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 11, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 11, 2032

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: 2021/0070,888

MODIFIED BIOPOLYMERS AND METHODS OF PRODUCING AND USING THE SAM

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