Inventor · disambiguated record
Stefan Antons
Also filed as: ANTONS STEFAN
24 granted patents·5 pending applications·157 citations·filing 1994–2019
94Inventor score
Top patents by PatentIndex Score
29 records- 0187US8722717B23-triazolylphenyl-substituted sulphide derivatives as acaricides and insecticidesALIG BERND·Filed 2010·Granted May 13, 2014·4 cites·26 claims
- 0284US8632767B23-[1-(3-haloalkyl)triazolyl]phenyl sulphide derivatives as acaricides and insecticidesALIG BERND·Filed 2010·Granted Jan 21, 2014·3 cites·18 claims
- 0384US8314133B2Process for preparing chiral 3-triazolyl sulphoxide derivativesANTONS STEFAN·Filed 2010·Granted Nov 20, 2012·4 cites·10 claims
- 0483US5731479AProcess for the preparation of optically active alcoholsBAYER AG·Filed 1995·Granted Mar 24, 1998·25 cites·14 claims
- 0581US8507537B2Trifluromethoxyphenyl-substituted tetramic acid derivatives pesticides and/or herbicidesFISCHER REINER·Filed 2007·Granted Aug 13, 2013·3 cites·21 claims
- 0680US8242311B2Process for preparing 2,2-difluoroethylamine and salts thereof proceeding from difluoroacetonitrileLUI NORBERT·Filed 2010·Granted Aug 14, 2012·2 cites·10 claims
- 0779US6355848B1Method for producing optically active alcoholsBAYER AG·Filed 1999·Granted Mar 12, 2002·25 cites·10 claims
- 0879US6310254B1Method for producing optically active amino alcoholsBAYER AG·Filed 1999·Granted Oct 30, 2001·20 cites·10 claims
- 0978US8273897B2Method for producing 2,2-difluoroethylamine derivative by amide hydrogenationLUI NORBERT·Filed 2008·Granted Sep 25, 2012·2 cites·7 claims
- 1077US6476274B1Method of producing cyclobutanoneBAYER AG·Filed 2000·Granted Nov 5, 2002·8 cites·5 claims
- 1177US5536879AProcess for preparing optically active amino alcoholsBAYER AG·Filed 1995·Granted Jul 16, 1996·22 cites·11 claims
- 1268US6586613B1Substituted tetrahydronaphthaline and analogous compoundsBAYER AG·Filed 1998·Granted Jul 1, 2003·12 cites·12 claims
- 1366US11618735B2Crystal forms of the monosodium salt of foramsulfuronBAYER CROPSCIENCE AG·Filed 2019·Granted Apr 4, 2023·0 cites·8 claims
- 1465US2014256953A1Process for Preparing Chiral 3-Triazolyl Sulphoxide DerivativesBAYER CROPSCIENCE AG·Filed 2014·Application pending·0 cites
- 1563US8765970B2Process for preparing chiral 3-triazolyl sulphoxide derivativesBAYER IP GMBH·Filed 2012·Granted Jul 1, 2014·0 cites·4 claims
- 1656US10472331B2Crystal forms of the monosodium salt of foramsulfuronBAYER CROPSCIENCE AG·Filed 2015·Granted Nov 12, 2019·0 cites·18 claims
- 1754US6376414B1Method for producing catalysts containing ruthenium and the use thereof for hydrogenationBAYER AG·Filed 1999·Granted Apr 23, 2002·17 cites·11 claims
- 1849US8754262B2Process for preparing 2,2-difluoroethylamine by hydrogenating 1,1-difluoro-2-nitroethaneANTONS STEFAN·Filed 2010·Granted Jun 17, 2014·0 cites·6 claims
- 1948US2008188665A1Process for the preparation of 2-aminomethylpiperidineANTONS STEFAN·Filed 2007·Application pending·0 cites
- 2047US5872283AProcess for decarboxylation of halogenated aromatic carboxylic acidsBAYER AG·Filed 1997·Granted Feb 16, 1999·3 cites·16 claims
- 2145US11161840B2Process for producing heterocylic compoundsBAYER CROPSCIENCE AG·Filed 2017·Granted Nov 2, 2021·0 cites·13 claims
- 2243US2015005502A1Process for preparing [3-[(6-chloro-3-pyridinyl)methyl]-2-thiazolidinylidene]cyanamideBAYER IP GMBH·Filed 2012·Application pending·0 cites
- 2342US8637673B2Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenationLUI NORBERT·Filed 2010·Granted Jan 28, 2014·0 cites·3 claims
- 2442US5464875AProcess for preparing weakly-basic anion exchangers and reagents suitable for this purposeBAYER AG·Filed 1994·Granted Nov 7, 1995·7 cites·2 claims
- 2541US2003232989A1Process for the preparation of specific aromatic aldehydesFiled 2003·Application pending·0 cites
- 2638US2011077410A1Process for the Preparation of 1-Phenyl-1,2,4-triazolesBAYER CROPSCIENCE AG·Filed 2010·Application pending·0 cites
- 2732US5475142AProcess for preparing alkyl-(3-chlorophenyl)-sulphonesBAYER AG·Filed 1994·Granted Dec 12, 1995·0 cites·14 claims
- 2831US5859298AProcess for the preparation of 2-halogeno-4,5-difluorobenzoyl fluoridesBAYER AG·Filed 1997·Granted Jan 12, 1999·0 cites·6 claims
- 2928US5869735AProcess for the preparation of alkyl aryl ethers containing carboxyl groupsBAYER AG·Filed 1996·Granted Feb 9, 1999·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →