Inventor
LANGE WALTER
DE25 patents
⚠️ This page may combine multiple inventors who share the name “LANGE WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
22 patentsUS5868938AFeb 9, 1999
Chiral stationary phases for chromatographic separation of optical isomers
BAYER AG52 citations94
US5274167ADec 28, 1993
Polymeriable optically active (meth) acrylic acid derivatives
BAYER AG33 citations92
US5072030ADec 10, 1991
Process for the fluorination of acrylic acid and derivatives thereof and novel fluorinated esters of 2,3-difluoropropionic acid
BAYER AG23 citations92
US5354884AOct 11, 1994
Optically active N-α-fluoroacryloylamino acid derivatives for the resolution of racemates
BAYER AG7 citations74
US6455725B1Sep 24, 2002
Substituted cinnamic acids and cinnamic acid esters
BAYER AG8 citations73
US5510530AApr 23, 1996
Optically active sulphur-containing amino acid derivatives
BAYER AG5 citations73
US5432251AJul 11, 1995
Optically active sulphur-containing amino acid derivatives, their preparation, their polymerization to give optically active polymers and the use thereof
BAYER AG10 citations73
US5357001AOct 18, 1994
Optically active amino acid sulphoxide and amino acid sulphone derivatives, their preparation, their polymerisation and use as adsorbents for chromatographic resolution of racemates
BAYER AG11 citations73
US5348656ASep 20, 1994
Optically active bead polymers containing fillers
BAYER AG12 citations73
US5347042ASep 13, 1994
Optically active sulphur-containing amino acid derivatives, their preparation, their polymerisation to give optically active polymers and the use thereof
BAYER AG8 citations73
US5292924AMar 8, 1994
Optically active N-α-fluoroacryloylamino acid polymers for the resolution of racemates
BAYER AG5 citations63
US6927302B2Aug 9, 2005
Process for the arylation of olefins
BAYER AG2 citations62
US6559334B1May 6, 2003
Polymers chromatographic separation of enantiomers
BAYER AG2 citations62
US5481026AJan 2, 1996
Optically active amino acid sulphoxide and amino acid sulphone derivatives
BAYER AG2 citations62
US5432252AJul 11, 1995
Optically active sulphur-containing amino acid derivatives, their preparation, their polymerization to give optically active polymers and the use thereof
BAYER AG3 citations62
US6956129B2Oct 18, 2005
Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and a process for the preparation of polyhalogen-substituted cinnamic acids and cinnamic acid derivatives
BAYER AG2 citations61
US6274736B1Aug 14, 2001
Chromatographic enantiomer separation of lactones
BAYER AG3 citations61
US6235937B1May 22, 2001
Process for the preparation of nitrodiphenylamines
BAYER AG2 citations61
US6566298B2May 20, 2003
Diphosphines
BAYER AG2 citations60
US6462200B2Oct 8, 2002
Diphosphines
BAYER AG1 citations60
US6689889B2Feb 10, 2004
Chromatographic separation of enantiomers of lactones
BAYER AG0 citations51
US6303820B1Oct 16, 2001
Process for the preparation of nitrosobenzenes
BAYER AG0 citations50
LANXESS DEUTSCHLAND GMBH
2 patentsUS7381832B2Jun 3, 2008
Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and a process for the preparation of polyhalogen-substituted cinnamic acids and cinnamic acid derivatives
LANXESS DEUTSCHLAND GMBH0 citations51
US7709644B2May 4, 2010
Process for the enantiomeric enrichment of cis-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane
LANXESS DEUTSCHLAND GMBH0 citations49