P

Inventor

BILLEN GUENTER

DE14 patents
⚠️ This page may combine multiple inventors who share the name “BILLEN GUENTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANOFI AVENTIS DEUTSCHLAND

5 patents
US7514578B2Apr 7, 2009

Method for producing enantiomeric form of 2,3-diaminopropionic acid derivatives

SANOFI AVENTIS DEUTSCHLAND2 citations60
US8053590B2Nov 8, 2011

Method for producing enantiomeric form of 2,3-diaminopropionic acid derivatives

SANOFI AVENTIS DEUTSCHLAND0 citations49
US7488818B2Feb 10, 2009

Method for producing 1,4-diphenyl azetidinone derivatives

SANOFI AVENTIS DEUTSCHLAND1 citations49
US7563888B2Jul 21, 2009

Process for the preparation of diphenyl azetidinone derivatives

SANOFI AVENTIS DEUTSCHLAND1 citations47
US10696633B2Jun 30, 2020

Process for the preparation of fexofenadine and of intermediates used therein

SANOFI AVENTIS DEUTSCHLAND0 citations39

AVENTIS PHARMA GMBH

2 patents
US6159995ADec 12, 2000

Substituted diaminocarboxylic acids

AVENTIS PHARMA GMBH72 citations95
US6355673B1Mar 12, 2002

Substituted diaminocarboxylic acids

AVENTIS PHARMA GMBH5 citations62

GRAESER JOACHIM

2 patents
US8546567B2Oct 1, 2013

Method for producing 2-(2-aminopyrimidin-4-yl)-1H-indole-5-carboxylic acid derivatives

GRAESER JOACHIM1 citations57
US8232395B2Jul 31, 2012

Method for producing 2-(2-aminopyrimidin-4-yl)-1H-indole-5-carboxylic acid derivatives

GRAESER JOACHIM2 citations57

HOECHST AG

1 patent
US5728686AMar 17, 1998

Alkylxanthine phosphonates and alkylxanthine phosphine oxides and their use as pharmaceuticals

HOECHST AG15 citations72

SANOFI SA

1 patent
US9067918B2Jun 30, 2015

Crystalline forms of 2-(2-methylamino-pyrimidin-4-yl)-1H-indole-5-carboxylic acid [ (S)-1-carbamoyl-2-(phenyl-pyrimidin-2-yl-amino)-ethyl ]-amide

SANOFI SA2 citations57

ROSSEN KAI

1 patent
US8716481B2May 6, 2014

Process for the preparation of 6-substituted-1-(2H)-isoquinolinones

ROSSEN KAI1 citations46

SCHOENAFINGER KARL

1 patent
US8236810B2Aug 7, 2012

Substituted 8-aminoalkylthioxanthines, and their use as inhibitors of dipeptidyl peptidase IV

SCHOENAFINGER KARL0 citations34

BILLEN GUENTER

1 patent
US8461312B2Jun 11, 2013

Method for the production of 1,4-benzothiepin-1,1-dioxide derivatives

BILLEN GUENTER0 citations25