Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190955 | Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Michael Schriewer, Klaus Grohe, Ingo Haller, Karl G. Metzger, Rainer Endermann +1 more | 1993-03-02 |
| 5177210 | Preparation of 2,7-diazabicyclo(3.3.0)octanes | Thomas Schenke | 1993-01-05 |
| 5173484 | Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them | Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller, Karl G. Metzger +2 more | 1992-12-22 |
| 5153204 | 7-(1-Pyrrolidinyl)-quinolonecarboxylic acid derivatives | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1992-10-06 |
| 5140033 | Antibacterial 5-alkylquinolonecarboxylic acids | Michael Schriewer, Klaus Grohe, Andreas Krebs, Thomas Schenke, Ingo Haller +3 more | 1992-08-18 |
| 5071999 | Preparation of 2,7-diazabicyclo[3.3.0]octanes | Thomas Schenke | 1991-12-10 |
| 5072038 | 2,3,4,5-tetrahalogenobenzene derivatives | Erich Klauke, Klaus Grohe | 1991-12-10 |
| 5061712 | Preparation of 7-(3-amino- and 3-amino-methyl-1-pyrrolidinyl)-3-quinolonecarboxylic acids and -naphthyridonecarboxylic acids | Andreas Krebs, Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller +3 more | 1991-10-29 |
| 5059597 | 7-(4-oxa or 4-thia-2,7-diazabicyclo[3.3.0]oct-2-en-3-yl)-3-quinolone-and-naphthyrido ne-carboxylic acid derivatives as antibacterial agents and feed additives | Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer, Ingo Haller +3 more | 1991-10-22 |
| 5051418 | Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Michael Schriewer, Klaus Grohe, Ingo Haller, Karl G. Metzger, Rainer Endermann +1 more | 1991-09-24 |
| 4990517 | 7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives | Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer, Ingo Haller +3 more | 1991-02-05 |
| 4990661 | Process for the preparation of benzoic acid derivatives | Michael Schriewer, Ernst Kysela, Klaus Grohe | 1991-02-05 |
| 4956465 | Quinolone- and 1,8-naphthyridin-4-one-carboxylic acids which are C-bonded in the 7-position | Michael Schriewer, Klaus Grohe | 1990-09-11 |
| 4952695 | Cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-quinoline carboxylic acid, intermediate for antibacterials | Klaus Groche, Hans-Joachim Zeiler, Karl G. Metzger | 1990-08-28 |
| 4908366 | Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Michael Schriewer, Klaus Grohe, Ingo Haller, Karl G. Metzger, Rainer Endermann +1 more | 1990-03-13 |
| 4851160 | Process for the preparation of benzoic acid derivatives | Michael Schriewer, Ernst Kysela, Klaus Grohe | 1989-07-25 |
| 4840954 | 6,7-disubstituted 1-cycloproply-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1989-06-20 |
| 4820716 | 7-(1-Pyrrolidinyl)-quinolonecarboxylic acid derivatives | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1989-04-11 |
| 4806539 | 1-cyclopropy l-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acids and antibacterial agents containing them | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1989-02-21 |
| 4703047 | 1-Cyclopropyl-1,4-dihydro-4-oxo-7-(4-(2-oxo-1,3-dioxol-4-yl- methyl)-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agents | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1987-10-27 |
| 4599334 | 7-(3-aryl-1-piperazinyl)- and 7-(3-cyclohexyl-1-piperazinyl)-3-quinolonecarboxylic acid antibacterials | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1986-07-08 |
| 4588726 | 1-cyclopropyl-6-fluoro-1 ,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agents | Klaus Grohe, Hans-Joachim Zeiler, Karl G. Metzger | 1986-05-13 |
| 4563448 | Bactericidal agents | Klaus Grohe, Karl-Heinz Kuck | 1986-01-07 |
| 4563459 | Microbicidal agents based on quinolonecarboxylic acid | Klaus Grohe, Karl-Heinz Kuck | 1986-01-07 |
| 4559341 | Quinolonecarboxylic acids and antibacterial agents containing these compounds | Klaus Grohe, Engelbert Kuhle, Hans-Joachim Zeiler, Karl G. Metzger | 1985-12-17 |