Inventor
ANTONS STEFAN
DE24 patents
⚠️ This page may combine multiple inventors who share the name “ANTONS STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
12 patentsUS5731479AMar 24, 1998
Process for the preparation of optically active alcohols
BAYER AG25 citations92
US6355848B1Mar 12, 2002
Method for producing optically active alcohols
BAYER AG25 citations91
US6310254B1Oct 30, 2001
Method for producing optically active amino alcohols
BAYER AG20 citations91
US5536879AJul 16, 1996
Process for preparing optically active amino alcohols
BAYER AG22 citations91
US6376414B1Apr 23, 2002
Method for producing catalysts containing ruthenium and the use thereof for hydrogenation
BAYER AG17 citations82
US6586613B1Jul 1, 2003
Substituted tetrahydronaphthaline and analogous compounds
BAYER AG12 citations73
US6476274B1Nov 5, 2002
Method of producing cyclobutanone
BAYER AG8 citations73
US5464875ANov 7, 1995
Process for preparing weakly-basic anion exchangers and reagents suitable for this purpose
BAYER AG7 citations73
US5872283AFeb 16, 1999
Process for decarboxylation of halogenated aromatic carboxylic acids
BAYER AG3 citations63
US5859298AJan 12, 1999
Process for the preparation of 2-halogeno-4,5-difluorobenzoyl fluorides
BAYER AG0 citations51
US5475142ADec 12, 1995
Process for preparing alkyl-(3-chlorophenyl)-sulphones
BAYER AG0 citations51
US5869735AFeb 9, 1999
Process for the preparation of alkyl aryl ethers containing carboxyl groups
BAYER AG0 citations47
BAYER CROPSCIENCE AG
3 patentsUS11618735B2Apr 4, 2023
Crystal forms of the monosodium salt of foramsulfuron
BAYER CROPSCIENCE AG0 citations62
US10472331B2Nov 12, 2019
Crystal forms of the monosodium salt of foramsulfuron
BAYER CROPSCIENCE AG0 citations52
US11161840B2Nov 2, 2021
Process for producing heterocylic compounds
BAYER CROPSCIENCE AG0 citations51
LUI NORBERT
3 patentsUS8273897B2Sep 25, 2012
Method for producing 2,2-difluoroethylamine derivative by amide hydrogenation
LUI NORBERT2 citations62
US8242311B2Aug 14, 2012
Process for preparing 2,2-difluoroethylamine and salts thereof proceeding from difluoroacetonitrile
LUI NORBERT2 citations62
US8637673B2Jan 28, 2014
Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenation
LUI NORBERT0 citations41