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Serving hundreds of leading biopharmaceutical companies globally:

Colorcon
Johnson and Johnson
Federal Trade Commission
UBS
Harvard Business School
Express Scripts
Boehringer Ingelheim
Daiichi Sankyo
Cipla

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

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

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

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3824072Jul 15, 1988
Germany3906365Mar 01, 1989

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

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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Serving hundreds of leading biopharmaceutical companies globally:

US Department of Justice
Daiichi Sankyo
Colorcon
Fuji
Merck
Dow
Covington
Farmers Insurance
Boehringer Ingelheim

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