Andreas Krebs
44Patents
16h-index
51Co-inventors
84Inventor score
Filing activity: Dec 31, 1986 → Jan 9, 2007
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 |
| US5045560A | Pesticidal tautomers of 3-aryl-pyrrolidine-2,4-diones and use thereas | Chemistry; Metallurgy | 66 | Expired |
| US5116836A | 3-phenyl-pyrrolidine-2,4-dione derivatives having pesticidal activity | Chemistry; Metallurgy | 64 | Expired |
| US4985063A | 3-aryl-pyrrolidine-2,4-diones | Chemistry; Metallurgy | 62 | Expired |
| US5393729A | 3-aryl-pyrone derivatives | Chemistry; Metallurgy | 38 | 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 |
| US5186737A | Pesticidal 3-aryl-pyrrolidine-2,4-diones | Chemistry; Metallurgy | 36 | Expired |
| US5332720A | 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives | Chemistry; Metallurgy | 35 | Expired |
| US5091537A | Intermediates for preparing 3-aryl-pyrrolidine-2,4-diones | Chemistry; Metallurgy | 33 | Expired |
| US5142065A | 3-aryl-pyrrolidine-2,4-diones | Chemistry; Metallurgy | 30 | Expired |
| US5140033A | Antibacterial 5-alkylquinolonecarboxylic acids | Chemistry; Metallurgy | 26 | Expired |
| US5358924A | 3-hydroxy-4-aryl-5-oxo-pyrozoline derivatives, compositions and use | Chemistry; Metallurgy | 24 | Expired |
| US5416096A | 7-(1-pyrrolidinyl)-3-quinolone carboxylic acid derivatives as antibacterial agents and feed additives | Chemistry; Metallurgy | 20 | Expired |
| US5480879A | Quinolonecarboxylic acids | Chemistry; Metallurgy | 19 | Expired |
| US5457104A | Quinolone- and naphthyridonecarboxylic acid derivatives | Chemistry; Metallurgy | 19 | Expired |
| US5780394A | 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives | Chemistry; Metallurgy | 15 | Expired |
| US5739389A | Aryl carboxylic acid derivatives | Chemistry; Metallurgy | 14 | Expired |
| US5661110A | 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives | Chemistry; Metallurgy | 14 | Expired |
| US5464796A | 7-isoindolinyl-quinolone-carboxylic acid derivatives | Chemistry; Metallurgy | 13 | Expired |
| US5468742A | 8-vinyl- and 9-ethinyl-quinolone-carboxylic acids | Chemistry; Metallurgy | 11 | Expired |
| US5252734A | Antibacterial 5-alkylquinolonecarboxylic acids | Chemistry; Metallurgy | 10 | Expired |
| US5556979A | 7-isoindolinyl-naphthyridone derivatives, compositions and anti-bacterial use thereof | Chemistry; Metallurgy | 9 | Expired |
| US5312823A | 7-azaisoindolinyl-quinolone-carboxylic acid derivatives | Chemistry; Metallurgy | 8 | Expired |
| US5474974A | 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.