Inventor · disambiguated record
Hans-Joachim Zeiler
Also filed as: VOSS ECKART · ZEILER HANS-JOACHIM
95 granted patents·1 pending application·1,574 citations·filing 1979–2021
99Inventor score
Top patents by PatentIndex Score
96 records- 0199US4670444A7-amino-1-cyclopropyl-4-oxo-1, 4-dihydro-quinoline-and naphthyridine-3-carboxylic acids and antibacterial agents containing these compoundsBAYER AG·Filed 1984·Granted Jun 2, 1987·123 cites·22 claims
- 0298US4284629AProcess for the preparation of 4-pyridone-3-carboxylic acids and/or derivatives thereofBAYER AG·Filed 1979·Granted Aug 18, 1981·84 cites·18 claims
- 0397US4990517A7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additivesBAYER AG·Filed 1989·Granted Feb 5, 1991·117 cites·14 claims
- 0496US4908366AAntibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsBAYER AG·Filed 1988·Granted Mar 13, 1990·57 cites·8 claims
- 0596US4620007A6-fluoro-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acidBAYER AG·Filed 1985·Granted Oct 28, 1986·49 cites·1 claims
- 0696US4556658A7-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acids and antibacterial agents containing these compoundsBAYER AG·Filed 1984·Granted Dec 3, 1985·58 cites·17 claims
- 0793US4559341AQuinolonecarboxylic acids and antibacterial agents containing these compoundsBAYER AG·Filed 1984·Granted Dec 17, 1985·30 cites·15 claims
- 0892US5140033AAntibacterial 5-alkylquinolonecarboxylic acidsBAYER AG·Filed 1990·Granted Aug 18, 1992·47 cites·3 claims
- 0992US4855283ANovel pharmaceutically active N-(2-aminoacylamido-2-deoxy-hexosyl)-amides, -carbamates and -ureasBAYER AG·Filed 1986·Granted Aug 8, 1989·93 cites·24 claims
- 1091US5607942A7-(1-pyrrolidinyl)-3-quinolone- and - naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additivesBAYER AG·Filed 1995·Granted Mar 4, 1997·73 cites·8 claims
- 1189US4544658A1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(alkyl-1-piperazinyl)quinoline-3-carboxylic acids, processes for their preparation and antibacterial agents containing themBAYER AG·Filed 1983·Granted Oct 1, 1985·32 cites·16 claims
- 1286US5059597A7-(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 additivesBAYER AG·Filed 1990·Granted Oct 22, 1991·44 cites·8 claims
- 1384US5051418AAntibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsBAYER AG·Filed 1989·Granted Sep 24, 1991·16 cites·6 claims
- 1483US4705788ANovel antibacterial 7-amino-1(substituted cyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsBAYER AG·Filed 1986·Granted Nov 10, 1987·33 cites·13 claims
- 1583US4438260ASisomicin compoundsBAYER AG·Filed 1981·Granted Mar 20, 1984·21 cites·2 claims
- 1682US5464796A7-isoindolinyl-quinolone-carboxylic acid derivativesBAYER AG·Filed 1992·Granted Nov 7, 1995·24 cites·10 claims
- 1782US5284842AQuinolone- and naphthridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing themBAYER AG·Filed 1992·Granted Feb 8, 1994·17 cites·4 claims
- 1881US5173484AQuinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing themBAYER AG·Filed 1991·Granted Dec 22, 1992·16 cites·15 claims
- 1981US4312859ASisomicin derivatives, processes for their production and their medicinal useBAYER AG·Filed 1980·Granted Jan 26, 1982·21 cites·18 claims
- 2081US4235888APseudotrissaccharides, a process for their production and their use as medicamentsBAYER AG·Filed 1979·Granted Nov 25, 1980·15 cites·12 claims
- 2180US5468742A8-vinyl- and 9-ethinyl-quinolone-carboxylic acidsBAYER AG·Filed 1993·Granted Nov 21, 1995·21 cites·10 claims
- 2280US5237060AProcess of preparing enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acidsBAYER AG·Filed 1989·Granted Aug 17, 1993·15 cites·3 claims
- 2378US4599334A7-(3-aryl-1-piperazinyl)- and 7-(3-cyclohexyl-1-piperazinyl)-3-quinolonecarboxylic acid antibacterialsBAYER AG·Filed 1985·Granted Jul 8, 1986·23 cites·12 claims
- 2477US4762844AAntibacterially active alkyl-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsBAYER AG·Filed 1985·Granted Aug 9, 1988·21 cites·13 claims
- 2576US5416096A7-(1-pyrrolidinyl)-3-quinolone carboxylic acid derivatives as antibacterial agents and feed additivesBAYER AG·Filed 1991·Granted May 16, 1995·23 cites·11 claims
- 2674US5371090ANaphthyridonecarboxylic acid derivativesBAYER AG·Filed 1994·Granted Dec 6, 1994·12 cites·8 claims
- 2774US5077429A7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline- and naphthyridine-3-carboxylic acids, processes for their preparation and antibacterial agents containing these compoundsBAYER AG·Filed 1986·Granted Dec 31, 1991·8 cites·2 claims
- 2874US4863916ASubstituted 6-hydroxymethyl-carbapenem antibioticsBAYER AG·Filed 1987·Granted Sep 5, 1989·20 cites·12 claims
- 2973US5252734AAntibacterial 5-alkylquinolonecarboxylic acidsBAYER AG·Filed 1992·Granted Oct 12, 1993·14 cites·3 claims
- 3073US4335114A1-N-Alkylsisomicin derivatives, their production and their medicinal useBAYER AG·Filed 1980·Granted Jun 15, 1982·14 cites·17 claims
- 3172US5312823A7-azaisoindolinyl-quinolone-carboxylic acid derivativesBAYER AG·Filed 1992·Granted May 17, 1994·11 cites·10 claims
- 3272US4393051A1-N(Aminopolyhydroxyalkyl)aminoglycoside antibiotics and method of useBAYER AG·Filed 1980·Granted Jul 12, 1983·13 cites·12 claims
- 3370US5453422AQuinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing themBAYER AG·Filed 1993·Granted Sep 26, 1995·8 cites·11 claims
- 3470US4847375AAntibacterial 1,8-bridged 4-quinoline-3-carboxylic acidsBAYER AG·Filed 1986·Granted Jul 11, 1989·9 cites·5 claims
- 3570US4757065ACephalosporinsBAYER AG·Filed 1984·Granted Jul 12, 1988·6 cites·11 claims
- 3670US4737488AImmune system-stimulating N-glycosylated ureas and carbamatesBAYER AG·Filed 1984·Granted Apr 12, 1988·13 cites·20 claims
- 3769US5145853ABactericidal formulations for use in veterinary medicineBAYER AG·Filed 1991·Granted Sep 8, 1992·34 cites·6 claims
- 3869US4725595A1,8-bridged 4-quinolone-3-carboxylic acid antibacterialsBAYER AG·Filed 1987·Granted Feb 16, 1988·26 cites·12 claims
- 3969US4666920AAntibacterial 1,7-diamino-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsBAYER AG·Filed 1985·Granted May 19, 1987·12 cites·7 claims
- 4069US4659603AImmunostimulating agentsBAYER AG·Filed 1985·Granted Apr 21, 1987·15 cites·8 claims
- 4169US4588726A1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid antibacterial agentsBAYER AG·Filed 1985·Granted May 13, 1986·13 cites·10 claims
- 4267US4840954A6,7-disubstituted 1-cycloproply-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acidsBAYER AG·Filed 1985·Granted Jun 20, 1989·13 cites·12 claims
- 4366US4753925AAntibacterial 1,7-diamino-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsBAYER AG·Filed 1986·Granted Jun 28, 1988·11 cites·11 claims
- 4466US4559342AQuinolone acids and antibacterial agents containing these compoundsBAYER AG·Filed 1984·Granted Dec 17, 1985·9 cites·15 claims
- 4565US4980353A1-aryl-4-quinolone-3-carboxylic acidsBAYER AG·Filed 1986·Granted Dec 25, 1990·10 cites·9 claims
- 4664US4902795AIntermediates for 1,8-bridged 4-quinolone-3-carboxylic acid antibacterialsBAYER AG·Filed 1988·Granted Feb 20, 1990·5 cites·1 claims
- 4764US4806539A1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acids and antibacterial agents containing themBAYER AG·Filed 1986·Granted Feb 21, 1989·11 cites·5 claims
- 4864US4574122ASubstituted O-acylglycosylamides, pharmaceutical compositions and method of useBAYER AG·Filed 1984·Granted Mar 4, 1986·8 cites·13 claims
- 4961US4734407AAlpha-aminoacyl-penicillins and cephalosporinsBAYER AG·Filed 1986·Granted Mar 29, 1988·10 cites·20 claims
- 5061US4548934A4H-1,4-Benzothiazine derivativesBAYER AG·Filed 1983·Granted Oct 22, 1985·4 cites·10 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →