Inventor · disambiguated record
Guenter Billen
Also filed as: BILLEN GUENTER
11 granted patents·2 pending applications·10 citations·filing 2006–2016
83Inventor score
Top patents by PatentIndex Score
13 records- 0175US8232395B2Method for producing 2-(2-aminopyrimidin-4-yl)-1H-indole-5-carboxylic acid derivativesGRAESER JOACHIM·Filed 2007·Granted Jul 31, 2012·2 cites·16 claims
- 0273US7514578B2Method for producing enantiomeric form of 2,3-diaminopropionic acid derivativesSANOFI AVENTIS DEUTSCHLAND·Filed 2007·Granted Apr 7, 2009·2 cites·2 claims
- 0372US8546567B2Method for producing 2-(2-aminopyrimidin-4-yl)-1H-indole-5-carboxylic acid derivativesGRAESER JOACHIM·Filed 2012·Granted Oct 1, 2013·1 cites·1 claims
- 0469US7488818B2Method for producing 1,4-diphenyl azetidinone derivativesSANOFI AVENTIS DEUTSCHLAND·Filed 2006·Granted Feb 10, 2009·1 cites·15 claims
- 0568US9067918B2Crystalline forms of 2-(2-methylamino-pyrimidin-4-yl)-1H-indole-5-carboxylic acid [ (S)-1-carbamoyl-2-(phenyl-pyrimidin-2-yl-amino)-ethyl ]-amideSANOFI SA·Filed 2012·Granted Jun 30, 2015·2 cites·20 claims
- 0668US7563888B2Process for the preparation of diphenyl azetidinone derivativesSANOFI AVENTIS DEUTSCHLAND·Filed 2006·Granted Jul 21, 2009·1 cites·7 claims
- 0765US8716481B2Process for the preparation of 6-substituted-1-(2H)-isoquinolinonesROSSEN KAI·Filed 2010·Granted May 6, 2014·1 cites·11 claims
- 0863US8053590B2Method for producing enantiomeric form of 2,3-diaminopropionic acid derivativesSANOFI AVENTIS DEUTSCHLAND·Filed 2009·Granted Nov 8, 2011·0 cites·16 claims
- 0959US2014005392A1Method for producing 2-(2-aminopyrimidin-4-yl)-1h-indole-5-carboxylic acid derivativesSANOFI SA·Filed 2013·Application pending·0 cites
- 1044US10696633B2Process for the preparation of fexofenadine and of intermediates used thereinSANOFI AVENTIS DEUTSCHLAND·Filed 2016·Granted Jun 30, 2020·0 cites·18 claims
- 1139US8236810B2Substituted 8-aminoalkylthioxanthines, and their use as inhibitors of dipeptidyl peptidase IVSCHOENAFINGER KARL·Filed 2007·Granted Aug 7, 2012·0 cites·4 claims
- 1239US2013172248A13-[4-(phenylaminooxalylamino)phenyl]hex-4-ynoic acids, process for preparation thereof and use thereof as a medicamentDEFOSSA ELISABETH·Filed 2013·Application pending·0 cites
- 1334US8461312B2Method for the production of 1,4-benzothiepin-1,1-dioxide derivativesBILLEN GUENTER·Filed 2009·Granted Jun 11, 2013·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →