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

Patent Owner(s)

Patent Owner	Address
CJ CHEILJEDANG CORPORATION	330 DONGHO-RO JUNG-GU SEOUL 04560

International Classification(s)

• C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHANG, Dong-Eun	Seoul, KR	8	41
HA, Hyo-Seok	Seoul, KR	1	0
KIM, Seo Hyoung	Seoul, KR	4	0
LEE, Kyung-Chang	Seoul, KR	5	1
LIM, Jae Hyung	Seoul, KR	16	22

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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	Mar 26, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 26, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 26, 2036

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

Full Text

US Patent Application No: 2024/0318,208

NOVEL METHOD FOR PRODUCING POLY-4-HYDROXYBUTYRATE AND 1,4-BUTANEDIOL

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