HZ

Hans-Joachim Zeiler

BH Bayer Healthcare: 98 patents #40 of 8,007Top 1%
📍 Velbert, DE: #1 of 243 inventorsTop 1%
Overall (All Time): #15,215 of 4,157,543Top 1%
98
Patents All Time

Issued Patents All Time

Showing 1–25 of 98 patents

Patent #TitleCo-InventorsDate
5969141 Intermediates for 7-amino-1-cyclopropyl-6,8-dihalogeno-1,4-dihydro-4-oxo-3-quinolinecarbox ylic acid antibacterial agents Uwe Petersen, Klaus Grohe, Karl G. Metzger 1999-10-19
5723627 Preparation of 7-(3-amino- and 3-amino-methyl-1-pyrrolidinyl)-3-quinolonecarboxylic acids and -naphthridonecarboxylic acids Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Michael Schriewer +3 more 1998-03-03
5648493 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 1997-07-15
5607942 7-(1-pyrrolidinyl)-3-quinolone- and - naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives Uwe Petersen, Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer +3 more 1997-03-04
5571812 7-amino-1-cyclopropyl-6,8-dihalogeno- 1,4-dihydro-4-oxo-3-quinolinecarboxylic acid antibacterial agents Uwe Petersen, Klaus Grohe, Karl G. Metzger 1996-11-05
5468861 8-chloro-1-cyclopropyl-6,7-difluoro-1, 4-dihydro-4-oxo-3-quinolinecarboxylic acid and alkyl esters thereof Uwe Petersen, Klaus Grobe, Karl G. Metzger 1995-11-21
5468742 8-vinyl- and 9-ethinyl-quinolone-carboxylic acids Uwe Petersen, Thomas Himmler, Thomas Schenke, Andreas Krebs, Klaus Grohe +3 more 1995-11-21
5464796 7-isoindolinyl-quinolone-carboxylic acid derivatives Uwe Petersen, Andreas Krebs, Thomas Schenke, Franz Kunisch, Thomas Philipps +5 more 1995-11-07
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
5371090 Naphthyridonecarboxylic acid derivatives Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Klaus-Dieter Bremm +2 more 1994-12-06
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
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, Karl G. Metzger 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, Karl G. Metzger +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, Karl G. Metzger, Rainer Endermann, Ingo Haller 1992-12-15
5153204 7-(1-Pyrrolidinyl)-quinolonecarboxylic acid derivatives Uwe Petersen, Klaus Grohe, Karl G. Metzger 1992-10-06
5145853 Bactericidal formulations for use in veterinary medicine Karl G. Metzger, 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, Karl G. Metzger 1992-06-02
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, Karl G. Metzger 1991-12-31