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

Patent Owner(s)

Patent Owner	Address
MEIJI SEIKA KAISHA LTD	CHUO-KU 4-16 KYOBASHI 2-CHOME TOKYO

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Minowa, Nobuto	Kanagawa, JP	31	88
Mitomi, Masaaki	Kanagawa, JP	38	127
Nakanishi, Nozomu	Kanagawa, JP	21	69

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
September 13, 2011	US,8017797,B2   US8017797B2	GRANTED PATENT AS SECOND PUBLICATION
March 11, 2010	US,20100063313,A1   US20100063313A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8017797

Method for producing phosphorus-containing α-keto acid

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