KM

Karl G. Metzger

BH Bayer Healthcare: 140 patents #23 of 8,007Top 1%
📍 Wuppertal, DE: #2 of 1,656 inventorsTop 1%
Overall (All Time): #7,202 of 4,157,543Top 1%
140
Patents All Time

Issued Patents All Time

Showing 26–50 of 140 patents

Patent #TitleCo-InventorsDate
5453422 Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them Uwe Petersen, Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller +2 more 1995-09-26
5416096 7-(1-pyrrolidinyl)-3-quinolone carboxylic acid derivatives as antibacterial agents and feed additives Uwe Petersen, Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer +3 more 1995-05-16
5395944 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 Uwe Petersen, Thomas Schenke, Klaus Grohe, Klaus-Dieter Bremm, Rainer Endermann 1995-03-07
5371090 Naphthyridonecarboxylic acid derivatives Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Klaus-Dieter Bremm +2 more 1994-12-06
5324721 3-Substituted cephalosporins, and their use as medicaments Stephan Schneider, Rainer Endermann, Klaus-Dieter Bremm 1994-06-28
5312823 7-azaisoindolinyl-quinolone-carboxylic acid derivatives Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Klaus-Dieter Bremm +2 more 1994-05-17
5284855 7-(2,7-diazabicyclo[3.3.0]octyl)-3-quinolone-and-naphthyridonecarboxylic acid derivatives Uwe Petersen, Thomas Schenke, Michael Schriewer, Klaus Grohe, Andreas Krebs +4 more 1994-02-08
5284842 Quinolone- and naphthridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them Uwe Petersen, Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller +2 more 1994-02-08
5276024 3-substituted cephalosporins, and their use as medicaments Stephan Schneider, Rainer Endermann, Klaus-Dieter Bremm 1994-01-04
5252734 Antibacterial 5-alkylquinolonecarboxylic acids Michael Schriewer, Klaus Grohe, Andreas Krebs, Uwe Petersen, Thomas Schenke +3 more 1993-10-12
5237060 Process of preparing enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acids Michael Schriewer, Klaus Grohe, Hans-Joachim Zeiler 1993-08-17
5202337 7-(2,7-diazabicyclo[3.3.0]octyl)-3-quinoline- and -naphthyridone-carboxylic acid derivatives Uwe Petersen, Thomas Schenke, Michael Schriewer, Klaus Grohe, Andreas Krebs +4 more 1993-04-13
5190955 Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids Michael Schriewer, Klaus Grohe, Uwe Petersen, Ingo Haller, Rainer Endermann +1 more 1993-03-02
5173484 Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them Uwe Petersen, Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller +2 more 1992-12-22
5171854 Substituted vinylcephalosporins Gunter Schmidt, Hans-Joachim Zeiler, Rainer Endermann, Ingo Haller 1992-12-15
5153204 7-(1-Pyrrolidinyl)-quinolonecarboxylic acid derivatives Uwe Petersen, Klaus Grohe, Hans-Joachim Zeiler 1992-10-06
5145853 Bactericidal formulations for use in veterinary medicine Hans-Joachim Zeiler, Martin Scheer, Herbert Voege, Klaus Grohe 1992-09-08
5140033 Antibacterial 5-alkylquinolonecarboxylic acids Michael Schriewer, Klaus Grohe, Andreas Krebs, Uwe Petersen, Thomas Schenke +3 more 1992-08-18
RE33948 .beta.-lactam antibiotics Gunter Schmidt, Hans-Joachim Zeiler 1992-06-02
5108747 Stable oxpenem-3-carboxylic acids as beta-lactamase inhibitors Hans Rudolf Pfaendler, Rainer Endermann, Ingo Haller, Hanno Wild, Wolfgang Hartiwg 1992-04-28
5077429 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 Klaus Grohe, Hans-Joachim Zeiler 1991-12-31
5061712 Preparation of 7-(3-amino- and 3-amino-methyl-1-pyrrolidinyl)-3-quinolonecarboxylic acids and -naphthyridonecarboxylic acids Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Michael Schriewer +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 Uwe Petersen, Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer +3 more 1991-10-22
5051418 Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids Michael Schriewer, Klaus Grohe, Uwe Petersen, Ingo Haller, Rainer Endermann +1 more 1991-09-24
4990517 7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives Uwe Petersen, Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer +3 more 1991-02-05