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

Patent Owner(s)

Patent Owner	Address
KOREA KUMHO PETROCHEMICAL CO LTD	100 CHEONGGYECHEON-RO JUNG-GU SEOUL 04542

International Classification(s)

• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• C08C:TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cho, Hanjoung	Daejeon, KR	7	30
Ji, Sang Chul	Daejeon, KR	5	21
Ko, Jae Young	Daejeon, KR	17	32
Kwon, Min Sung	Daejeon, KR	9	15
Lee, Dae Hyung	Daejeon, KR	12	266
Noh, Eun Kyung	Daejeon, KR	10	79
Park, Cheol Min	Daejeon, KR	52	457

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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	Feb 1, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 1, 2029

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 01, 2017	US,9718911,B2   US9718911B2	GRANTED PATENT AS SECOND PUBLICATION
May 05, 2016	US,20160122480,A1   US20160122480A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9718911

End-modified conjugated diene polymer and method for preparing the same

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