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

Patent Owner(s)

Patent Owner	Address
TEIJIN LIMITED	2-4 NAKANOSHIMA 3-CHOME KITA-KU OSAKA-SHI OSAKA 5300005 ?5300005
MICROBIAL CHEMISTRY RESEARCH FOUNDATION	TOKYO 141-0021

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hamada, Masa	Tokyo, JP	39	228
# of filed Patents : 39 Total Citations : 228
Ida, Tomohide	Hino, JP	3	7
# of filed Patents : 3 Total Citations : 7
Imai, Hiroshi	Hino, JP	229	2205
# of filed Patents : 229 Total Citations : 2205
Kitai, Kazuo	Hino, JP	5	99
# of filed Patents : 5 Total Citations : 99
Kosugi, Tomomi	Hino, JP	10	46
# of filed Patents : 10 Total Citations : 46
Muratani, Emiko	Hino, JP	2	4
# of filed Patents : 2 Total Citations : 4
Naniwa, Yoshimitsu	Hino, JP	4	25
# of filed Patents : 4 Total Citations : 25
Sugimoto, Yoshinori	Hino, JP	19	156
# of filed Patents : 19 Total Citations : 156
Takeuchi, Akiko	Hino, JP	6	54
# of filed Patents : 6 Total Citations : 54
Takeuchi, Tomio	Tokyo, JP	164	840
# of filed Patents : 164 Total Citations : 840
Tomiyama, Takami	Sakai, JP	11	17
# of filed Patents : 11 Total Citations : 17
Watanabe, Kunihito	Hino, JP	3	12
# of filed Patents : 3 Total Citations : 12

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Patent Citation Ranking

• 4 Citation Count
• C07D Class

• 19.47 % this patent is cited more than
• 22 Age

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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

Full Text

US Patent No: 6589984

Benzofurylpyrone derivatives

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Abstract

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There is provided benzofuryl-.alpha.-pyrone derivative represented by the following structural formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group of 1 to 5 carbons; R.sup.2 represents hydrogen, --CO--R.sup.5 or --SO.sub.2 R.sup.6 ; R.sup.3 represents hydrogen, an alkyl group of 1 to 5 carbons, etc.; and R.sup.4 is a substituent attached to the 4-carbon, 5-carbon, 6-carbon or 7 carbon of the benzofuran ring; and their salts. The compounds are useful as therapeutic agent for hypertriglyceridemia, lipid metabolism enhancers, or prophylactic and/or therapeutic agents for arteriosclerosis.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2011
• FP2011
• LAPS2011
• REMI2011
• FPAY2006
• I2003
• F2000
• AS2000
• PD1998

Date	Code	Event	Description
Aug 08, 2011	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Jul 08, 2011	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Jul 08, 2011
Jul 08, 2011	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Feb 14, 2011	REMI	MAINTENANCE FEE REMINDER MAILED
Dec 18, 2006	FPAY	FEE PAYMENT	year of fee payment: 4
Jul 08, 2003	I	Issuance
Sep 11, 2000	F	Filing
Aug 21, 2000	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NANIWA, YOSHIMITSU;IMAI, HIROSHI;IDA, TOMOHIDE;AND OTHERS;REEL/FRAME:011112/0406 Owner name: TEIJIN LIMITED, JAPAN Effective Date: Aug 21, 2000 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NANIWA, YOSHIMITSU;IMAI, HIROSHI;IDA, TOMOHIDE;AND OTHERS;REEL/FRAME:011112/0406 Owner name: MICROBIAL CHEMISTRY RESEARCH FOUNDATION, JAPAN Effective Date: Aug 21, 2000
Mar 12, 1998	PD	Priority Date