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Serving hundreds of leading biopharmaceutical companies globally:

Generated: April 24, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,990,517

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Summary for Patent: 4,990,517

Title:	7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives
Abstract:	7-(1-Pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives, of the formula ##STR1## in which X.sup.1 is halogen, X.sup.2 is hydrogen, halogen, amino or other radical, R.sup.1 is alkyl, cycloalkyl, optionally substituted phenyl or other radical, R.sup.2 is hydrogen, alkyl or a dioxolylmethyl radical, R.sup.3 is ##STR2## A is N, CH, C-halogen, or the like, or forms a bridge with R.sup.1, and addition products thereof.
Inventor(s):	Petersen; Uwe (Leverkusen, DE), Schenke; Thomas (Bergisch-Gladbach, DE), Krebs; Andreas (Odenthal-Holz, DE), Grohe; Klaus (Odenthal, DE), Schriewer; Michael (Odenthal, DE), Haller; Ingo (Wuppertal, DE), Metzger; Karl G. (Wuppertal, DE), Endermann; Rainer (Wuppertal, DE), Zeiler; Hans-Joachim (Velbert, DE)
Assignee:	Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:	07/375,434
Patent Claim Types: see list of patent claims	Compound; Composition; Dosage form; Use;

Drugs Protected by US Patent 4,990,517

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Patent Submitted
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Patent Submitted

Foreign Priority and PCT Information for Patent: 4,990,517

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	3824072	Jul 15, 1988
Germany	3906365	Mar 01, 1989

International Patents Family Members for US Patent 4,990,517

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Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0350733	➤ Sign Up	300111	Netherlands	➤ Sign Up
European Patent Office	0350733	➤ Sign Up	SPC/GB03/034	United Kingdom	➤ Sign Up
European Patent Office	0350733	➤ Sign Up	2001C/030	Belgium	➤ Sign Up
European Patent Office	0350733	➤ Sign Up	11/2000	Austria	➤ Sign Up
Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration

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