Inventor · disambiguated record
Michael Sperzel
Also filed as: SPERZEL MICHAEL
16 granted patents·9 pending applications·243 citations·filing 1989–2014
94Inventor score
Top patents by PatentIndex Score
25 records- 0188US6156754AGlycoconjugates of modified camptothecin derivatives (A-or B-ring linkage)BAYER AG·Filed 1997·Granted Dec 5, 2000·89 cites·10 claims
- 0284US8273752B2Substituted imidazopyrimidines and triazolopyrimidinesSIEGEL STEPHAN·Filed 2008·Granted Sep 25, 2012·11 cites·5 claims
- 0379US6699857B1Tetrahydroquinolinyl 6-methyldihydrothiadiazinone derivatives and use thereofBAYER AG·Filed 2000·Granted Mar 2, 2004·16 cites·19 claims
- 0475US6677372B2N-(3-benzofuranyl)urea-derivativesBAYER AG·Filed 2002·Granted Jan 13, 2004·9 cites·11 claims
- 0569US6610687B1BenzofuranylsulfonatesBAYER AG·Filed 2000·Granted Aug 26, 2003·6 cites·9 claims
- 0666US5922740AHeterocyclylcarbonyl substituted benzofuranyl-ureasBAYER AG·Filed 1996·Granted Jul 13, 1999·28 cites·6 claims
- 0760US5070190ASubstituted n-glycosylamides, process for their preparation, and their use as medicamentsBAYER AG·Filed 1989·Granted Dec 3, 1991·10 cites·9 claims
- 0859US6506734B120(S) camptothecin glycoconjugatesBAYER AG·Filed 1998·Granted Jan 14, 2003·10 cites·12 claims
- 0958US6271342B1Sugar-modified cytostaticsBAYER AG·Filed 1996·Granted Aug 7, 2001·11 cites·9 claims
- 1055US6169092B13-Ureido-pyridofurans and -pyridothiophenes for the treatment of inflammatory processesBAYER AG·Filed 1997·Granted Jan 2, 2001·16 cites·7 claims
- 1154US6399657B1N-(3-benzofuranyl) urea-derivativesBAYER AG·Filed 1999·Granted Jun 4, 2002·10 cites·3 claims
- 1247US9051323B2Substituted imidazopyrimidines and triazolopyrimidinesSIEGEL STEPHAN·Filed 2012·Granted Jun 9, 2015·0 cites·6 claims
- 1347US5510365AMedicaments containing 1-thiocarbamoyl-5-hydroxy-pyrazoles and their use as agents for combating septic shockBAYER AG·Filed 1994·Granted Apr 23, 1996·6 cites·6 claims
- 1446US6492335B1Glycoconjugates from modified camptothecin derivatives (20-O-linkage)BAYER AG·Filed 1997·Granted Dec 10, 2002·13 cites·11 claims
- 1545US2016222056A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 1645US2016280688A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 1745US2016237067A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 1845US2016237045A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 1945US2016244437A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 2045US2016280699A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 2145US2016237044A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 2242US2016272617A1Substituted phenylalanine derivativesBayer Pharma AG·Filed 2014·Application pending·0 cites
- 2338US5091364APreparation of immunologically active cell wall components from archaebacteriaBAYER AG·Filed 1990·Granted Feb 25, 1992·8 cites·7 claims
- 2436US6867206B16-carboxyphenyldihydropyridazinone derivatives and use thereofBAYER AG·Filed 2000·Granted Mar 15, 2005·0 cites·14 claims
- 2529US2002173468A1Modified cytostatic agentsFiled 1997·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →