Inventor

METZGER KARL G

DE118 patents

Patents

50 patents

US4990517AFeb 5, 1991

7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives

BAYER AG117 citations97

US5607942AMar 4, 1997

7-(1-pyrrolidinyl)-3-quinolone- and - naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives

BAYER AG73 citations96

US5059597AOct 22, 1991

7-(4-oxa or 4-thia-2,7-diazabicyclo[3.3.0]oct-2-en-3-yl)-3-quinolone-and-naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives

BAYER AG44 citations96

US4908366AMar 13, 1990

Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

BAYER AG57 citations96

US4670444AJun 2, 1987

7-amino-1-cyclopropyl-4-oxo-1, 4-dihydro-quinoline-and naphthyridine-3-carboxylic acids and antibacterial agents containing these compounds

BAYER AG123 citations96

US4620007AOct 28, 1986

6-fluoro-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

BAYER AG49 citations96

US4556658ADec 3, 1985

7-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acids and antibacterial agents containing these compounds

BAYER AG58 citations96

US4284629AAug 18, 1981

Process for the preparation of 4-pyridone-3-carboxylic acids and/or derivatives thereof

BAYER AG84 citations96

US4855283AAug 8, 1989

Novel pharmaceutically active N-(2-aminoacylamido-2-deoxy-hexosyl)-amides, -carbamates and -ureas

BAYER AG93 citations95

US5468742ANov 21, 1995

8-vinyl- and 9-ethinyl-quinolone-carboxylic acids

BAYER AG21 citations93

US5416096AMay 16, 1995

7-(1-pyrrolidinyl)-3-quinolone carboxylic acid derivatives as antibacterial agents and feed additives

BAYER AG23 citations93

US5145853ASep 8, 1992

Novel antibacterial 7-amino-1(substituted cyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

BAYER AG33 citations93

US4559341ADec 17, 1985

Quinolonecarboxylic acids and antibacterial agents containing these compounds

BAYER AG30 citations93

US4544658AOct 1, 1985

1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(alkyl-1-piperazinyl)quinoline-3-carboxylic acids, processes for their preparation and antibacterial agents containing them

BAYER AG32 citations93

US5556979ASep 17, 1996

7-isoindolinyl-naphthyridone derivatives, compositions and anti-bacterial use thereof

BAYER AG14 citations82

US5284842AFeb 8, 1994

Quinolone- and naphthridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them

BAYER AG17 citations82

US5173484ADec 22, 1992

Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them

BAYER AG16 citations82

US5171854ADec 15, 1992

Substituted vinylcephalosporins

BAYER AG17 citations82

US5051418ASep 24, 1991

Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

BAYER AG16 citations82

US4762844AAug 9, 1988

Antibacterially active alkyl-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

BAYER AG21 citations82

US4748163AMay 31, 1988

Novel β-lactam antibiotics

BAYER AG22 citations82

US4599334AJul 8, 1986

7-(3-aryl-1-piperazinyl)- and 7-(3-cyclohexyl-1-piperazinyl)-3-quinolonecarboxylic acid antibacterials

BAYER AG23 citations82

US4438260AMar 20, 1984

Sisomicin compounds

BAYER AG21 citations82

US4312859AJan 26, 1982

Sisomicin derivatives, processes for their production and their medicinal use

BAYER AG21 citations82

US4234572ANov 18, 1980

1-N-4,6-di-O-(Aminoglycosyl)-1,3-diamino-cyclitol derivatives, processes for their preparation and their use

BAYER AG22 citations82

US5631291AMay 20, 1997

Cyclopentane- and -pentene-β-amino acids

BAYER AG10 citations74

US5453422ASep 26, 1995

Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them

BAYER AG8 citations74

US5395944AMar 7, 1995

7-(aminomethyl-oxa-7-aza-bicyclo[3.3.0]oct-7-yl)quinolonecarboxylic and 7-(aminomethyl-oxa-7-aza-bicyclo[3.3.0]oct-7-yl)naphthyridone-carboxylic acid intermediates

BAYER AG5 citations74

US5276024AJan 4, 1994

3-substituted cephalosporins, and their use as medicaments

BAYER AG10 citations74

US5252734AOct 12, 1993

Antibacterial 5-alkylquinolonecarboxylic acids

BAYER AG14 citations74

US5237060AAug 17, 1993

Process of preparing enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acids

BAYER AG15 citations74

US5202337AApr 13, 1993

7-(2,7-diazabicyclo[3.3.0]octyl)-3-quinoline- and -naphthyridone-carboxylic acid derivatives

BAYER AG8 citations74

US5077429ADec 31, 1991

7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline- and naphthyridine-3-carboxylic acids, processes for their preparation and antibacterial agents containing these compounds

BAYER AG8 citations74

US4981854AJan 1, 1991

A-aryl-4-quinolone-3-carboxylic acids

BAYER AG6 citations74

US4980353ADec 25, 1990

1-aryl-4-quinolone-3-carboxylic acids

BAYER AG10 citations74

US4863916ASep 5, 1989

Substituted 6-hydroxymethyl-carbapenem antibiotics

BAYER AG20 citations74

US4847375AJul 11, 1989

Antibacterial 1,8-bridged 4-quinoline-3-carboxylic acids

BAYER AG9 citations74

US4840954AJun 20, 1989

6,7-disubstituted 1-cycloproply-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids

BAYER AG13 citations74

US4841059AJun 20, 1989

Pyridine-enamines

BAYER AG5 citations74

US4806539AFeb 21, 1989

1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acids and antibacterial agents containing them

BAYER AG11 citations74

US4757065AJul 12, 1988

Cephalosporins

BAYER AG6 citations74

US4753925AJun 28, 1988

Antibacterial 1,7-diamino-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

BAYER AG11 citations74

US4734407AMar 29, 1988

Alpha-aminoacyl-penicillins and cephalosporins

BAYER AG10 citations74

US4703047AOct 27, 1987

1-Cyclopropyl-1,4-dihydro-4-oxo-7-(4-(2-oxo-1,3-dioxol-4-yl-methyl)-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agents

BAYER AG8 citations74

US4666920AMay 19, 1987

Antibacterial 1,7-diamino-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

BAYER AG12 citations74

US4588726AMay 13, 1986

1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agents

BAYER AG13 citations74

US4559342ADec 17, 1985

Quinolone acids and antibacterial agents containing these compounds

BAYER AG9 citations74

Showing the top 50 of 118 patents by PatentIndex Score.

METZGER KARL G

Patents

7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives

7-(1-pyrrolidinyl)-3-quinolone- and - naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives

7-(4-oxa or 4-thia-2,7-diazabicyclo[3.3.0]oct-2-en-3-yl)-3-quinolone-and-naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives

Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

7-amino-1-cyclopropyl-4-oxo-1, 4-dihydro-quinoline-and naphthyridine-3-carboxylic acids and antibacterial agents containing these compounds

6-fluoro-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

7-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acids and antibacterial agents containing these compounds

Process for the preparation of 4-pyridone-3-carboxylic acids and/or derivatives thereof

Novel pharmaceutically active N-(2-aminoacylamido-2-deoxy-hexosyl)-amides, -carbamates and -ureas

8-vinyl- and 9-ethinyl-quinolone-carboxylic acids

7-(1-pyrrolidinyl)-3-quinolone carboxylic acid derivatives as antibacterial agents and feed additives

Bactericidal formulations for use in veterinary medicine

Antibacterial 5-alkylquinolonecarboxylic acids

1,8-bridged 4-quinolone-3-carboxylic acid antibacterials

Novel antibacterial 7-amino-1(substituted cyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

Quinolonecarboxylic acids and antibacterial agents containing these compounds

1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(alkyl-1-piperazinyl)quinoline-3-carboxylic acids, processes for their preparation and antibacterial agents containing them

7-isoindolinyl-naphthyridone derivatives, compositions and anti-bacterial use thereof

Quinolone- and naphthridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them

Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them

Substituted vinylcephalosporins

Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

Antibacterially active alkyl-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

Novel β-lactam antibiotics

7-(3-aryl-1-piperazinyl)- and 7-(3-cyclohexyl-1-piperazinyl)-3-quinolonecarboxylic acid antibacterials

Sisomicin compounds

Sisomicin derivatives, processes for their production and their medicinal use

1-N-4,6-di-O-(Aminoglycosyl)-1,3-diamino-cyclitol derivatives, processes for their preparation and their use

Cyclopentane- and -pentene-β-amino acids

Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them

7-(aminomethyl-oxa-7-aza-bicyclo[3.3.0]oct-7-yl)quinolonecarboxylic and 7-(aminomethyl-oxa-7-aza-bicyclo[3.3.0]oct-7-yl)naphthyridone-carboxylic acid intermediates

3-substituted cephalosporins, and their use as medicaments

Antibacterial 5-alkylquinolonecarboxylic acids

Process of preparing enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acids

7-(2,7-diazabicyclo[3.3.0]octyl)-3-quinoline- and -naphthyridone-carboxylic acid derivatives

7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline- and naphthyridine-3-carboxylic acids, processes for their preparation and antibacterial agents containing these compounds

A-aryl-4-quinolone-3-carboxylic acids

1-aryl-4-quinolone-3-carboxylic acids

Substituted 6-hydroxymethyl-carbapenem antibiotics

Antibacterial 1,8-bridged 4-quinoline-3-carboxylic acids

6,7-disubstituted 1-cycloproply-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids

Pyridine-enamines

1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acids and antibacterial agents containing them

Cephalosporins

Antibacterial 1,7-diamino-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

Alpha-aminoacyl-penicillins and cephalosporins

1-Cyclopropyl-1,4-dihydro-4-oxo-7-(4-(2-oxo-1,3-dioxol-4-yl-methyl)-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agents

Antibacterial 1,7-diamino-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agents

Quinolone acids and antibacterial agents containing these compounds