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 26–50 of 98 patents

Patent #TitleCo-InventorsDate
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, Karl G. Metzger +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
4988685 Cephalosporins derivatives Jurgen Dornhagen, Rolf Angerbauer, Karl G. Metzger 1991-01-29
4981854 A-aryl-4-quinolone-3-carboxylic acids Klaus Grohe, Karl G. Metzger 1991-01-01
4980348 Carbacephem antibiotics Gunter Schmidt, Wolfgang Hartwig, Wilfried Schrock, Rainer Endermann, Karl G. Metzger +1 more 1990-12-25
4980353 1-aryl-4-quinolone-3-carboxylic acids Klaus Grohe, Karl G. Metzger 1990-12-25
4973685 Heteroannellated phenylglycine-.beta.-lactam antibiotics Gunter Schmidt, Karl G. Metzger 1990-11-27
4952695 Cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-quinoline carboxylic acid, intermediate for antibacterials Klaus Groche, Uwe Petersen, Karl G. Metzger 1990-08-28
4943568 Cephalosporins Michael Boberg, Rolf Angerbauer, Karl G. Metzger 1990-07-24
4908366 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 1990-03-13
4902795 Intermediates for 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials Michael Schriewer, Klaus Crohe, Karl G. Metzger 1990-02-20
4895803 Method for decontamination of mycoplasma-infected cell cultures Gunter Hubner, Helmut Brunner 1990-01-23
4880795 Cephalosporins Rolf Angerbauer, Michael Boberg, Karl G. Metzger 1989-11-14
4863916 Substituted 6-hydroxymethyl-carbapenem antibiotics Dieter Habich, Wolfgang Hartwig, Karl G. Metzger 1989-09-05
4855283 Novel pharmaceutically active N-(2-aminoacylamido-2-deoxy-hexosyl)-amides, -carbamates and -ureas Oswald Lockhoff, Yutaka Hayauchi, Peter Stadler, Klaus G. Stunkel, Gert Streissle +6 more 1989-08-08
4847375 Antibacterial 1,8-bridged 4-quinoline-3-carboxylic acids Klaus Grohe, Michael Schriewer, Karl G. Metzger 1989-07-11
RE32975 4-Pyridone-3-carboxylic acids and/or derivatives thereof Klaus Grohe, Karl G. Metzger 1989-07-04
4840954 6,7-disubstituted 1-cycloproply-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids Uwe Petersen, Klaus Grohe, Karl G. Metzger 1989-06-20
4840946 Benzazolythio-carbapenem antibiotics Dieter Habich, Wolfgang Hartwig, Karl G. Metzger 1989-06-20
4841059 Pyridine-enamines Michael Schriewer, Klaus Grohe, Karl G. Metzger 1989-06-20
4820716 7-(1-Pyrrolidinyl)-quinolonecarboxylic acid derivatives Uwe Petersen, Klaus Grohe, Karl G. Metzger 1989-04-11
4816451 Antibacterial 1,8-bridged 4-quinolonecarboxylic acids Michael Schriewer, Klaus Grohe, Hermann Hagemann, Karl G. Metzger 1989-03-28
4808724 2-aminothiazolyl-containing .beta.-lactam antibiotics Michael Boberg, Karl G. Metzger 1989-02-28