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

Patent Owner(s)

Patent Owner	Address
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY	141 GAJEONG-RO YUSEONG-GU DAEJEON 34114
SAMYANG CORPORATION	31 JONG-RO 33-GIL JONGNO-GU SEOUL 03129 03129

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
• G03F:PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cho, Yong-Il	Gyeonggi-si, KR	10	102
Jun, Kun	Daejeon, KR	7	25
Lee, Min-Sun	Seoul, KR	16	269
Lee, Sang-Oh	Mokpo-si, KR	31	248
Lee, Won-Jung	Daejeon, KR	1	7
Oh, Chun-Rim	Seoul, KR	2	7
Shin, Jong-Il	Daejeon, KR	3	13
Shin, Seung-Rim	Daejeon, KR	1	7

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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	Jul 23, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 23, 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
January 23, 2018	US,9873663,B2   US9873663B2	GRANTED PATENT AS SECOND PUBLICATION
November 17, 2016	US,20160332960,A1   US20160332960A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9873663

Fluorenyl β-oxime ester compounds, photopolymerization initiator and photoresist composition containing the same

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