Michael Schriewer
35Patents
12h-index
17Co-inventors
74Inventor score
Filing activity: Nov 5, 1985 → Feb 20, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4990517A | 7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives | Chemistry; Metallurgy | 69 | Expired |
| US4908366A | Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Chemistry; Metallurgy | 43 | Expired |
| US5607942A | 7-(1-pyrrolidinyl)-3-quinolone- and - naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives | Chemistry; Metallurgy | 38 | Expired |
| US5059597A | 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 | Chemistry; Metallurgy | 37 | Expired |
| US4956465A | Quinolone- and 1,8-naphthyridin-4-one-carboxylic acids which are C-bonded in the 7-position | Chemistry; Metallurgy | 34 | Expired |
| US4705788A | Novel antibacterial 7-amino-1(substituted cyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Human Necessities | 30 | Expired |
| US5140033A | Antibacterial 5-alkylquinolonecarboxylic acids | Chemistry; Metallurgy | 26 | Expired |
| US5416096A | 7-(1-pyrrolidinyl)-3-quinolone carboxylic acid derivatives as antibacterial agents and feed additives | Chemistry; Metallurgy | 20 | Expired |
| US4762831A | Antibacterial 1,8-bridged 4-quinolone-3-carboxylic acids | Chemistry; Metallurgy | 19 | Expired |
| US5457104A | Quinolone- and naphthyridonecarboxylic acid derivatives | Chemistry; Metallurgy | 19 | Expired |
| US4762844A | Antibacterially active alkyl-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Human Necessities | 17 | Expired |
| US4725595A | 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials | Chemistry; Metallurgy | 14 | Expired |
| US5284842A | Quinolone- and naphthridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them | Chemistry; Metallurgy | 12 | Expired |
| US5173484A | Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them | Chemistry; Metallurgy | 11 | Expired |
| US5051418A | Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids | Chemistry; Metallurgy | 11 | Expired |
| US5252734A | Antibacterial 5-alkylquinolonecarboxylic acids | Chemistry; Metallurgy | 10 | Expired |
| US4816451A | Antibacterial 1,8-bridged 4-quinolonecarboxylic acids | Human Necessities | 7 | Expired |
| US5453422A | Quinolone- and naphthyridone carboxylic acid derivatives, process for their production, antibacterial compositions and feed additives containing them | Chemistry; Metallurgy | 6 | Expired |
| US4977263A | Process for preparing 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials | Chemistry; Metallurgy | 6 | Expired |
| US5202337A | 7-(2,7-diazabicyclo[3.3.0]octyl)-3-quinoline- and -naphthyridone-carboxylic acid derivatives | Chemistry; Metallurgy | 6 | Expired |
| US4847375A | Antibacterial 1,8-bridged 4-quinoline-3-carboxylic acids | Human Necessities | 6 | Expired |
| US4902795A | Intermediates for 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials | Chemistry; Metallurgy | 5 | Expired |
| US4804760A | Process for the preparation of 4-hydroxy-quinoline-3-carboxylic acids | Chemistry; Metallurgy | 5 | Expired |
| US5237060A | Process of preparing enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acids | Chemistry; Metallurgy | 5 | Expired |
| US4990661A | Process for the preparation of benzoic acid derivatives | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.