Michael Sperzel
16Patents
6h-index
49Co-inventors
66Inventor score
Filing activity: Apr 12, 1989 → Sep 24, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6156754A | Glycoconjugates of modified camptothecin derivatives (A-or B-ring linkage) | Human Necessities | 82 | Expired |
| US5922740A | Heterocyclylcarbonyl substituted benzofuranyl-ureas | Chemistry; Metallurgy | 20 | Expired |
| US6699857B1 | Tetrahydroquinolinyl 6-methyldihydrothiadiazinone derivatives and use thereof | Chemistry; Metallurgy | 10 | Expired |
| US8273752B2 | Substituted imidazopyrimidines and triazolopyrimidines | Human Necessities | 10 | Active |
| US6169092A | 3-Ureido-pyridofurans and -pyridothiophenes for the treatment of inflammatory processes | Chemistry; Metallurgy | 6 | Expired |
| US6399657B1 | N-(3-benzofuranyl) urea-derivatives | Chemistry; Metallurgy | 6 | Expired |
| US5070190A | Substituted N-glycosylamides, process for their preparation, and their use as medicaments | Human Necessities | 6 | Expired |
| US6506734B1 | 20(S) camptothecin glycoconjugates | Human Necessities | 5 | Expired |
| US6677372B2 | N-(3-benzofuranyl)urea-derivatives | Chemistry; Metallurgy | 5 | Expired |
| US5091364A | Preparation of immunologically active cell wall components from archaebacteria | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5510365A | Medicaments containing 1-thiocarbamoyl-5-hydroxy-pyrazoles and their use as agents for combating septic shock | Chemistry; Metallurgy | 4 | Expired |
| US6492335B1 | Glycoconjugates from modified camptothecin derivatives (20-O-linkage) | Human Necessities | 4 | Expired |
| US6271342A | Sugar-modified cytostatics | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6610687B1 | Benzofuranylsulfonates | Chemistry; Metallurgy | 2 | Expired |
| US6867206B1 | 6-carboxyphenyldihydropyridazinone derivatives and use thereof | Chemistry; Metallurgy | 0 | Expired |
| US9051323B2 | Substituted imidazopyrimidines and triazolopyrimidines | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.