Inventor
HAGEDORN FERDINAND
DE17 patents
Patents
17 patentsUS5670694ASep 23, 1997
Process for the preparation of 2,4-dichloro-5-fluorobenzonitrile and 2,6-dichloro-3-fluorobenzonitrile
BAYER AG7 citations74
US5659088AAug 19, 1997
Process for the preparation of 4-fluorothiophenol
BAYER AG7 citations72
US4424360AJan 3, 1984
Process for the preparation of fused 1,2,3-triazoles
BAYER AG7 citations71
US6198007B1Mar 6, 2001
Process for the preparation of 1-substituted 2,4-dinitrobenzenes
BAYER AG3 citations62
US5756809AMay 26, 1998
Process for the preparation of (2RS,3RS)-3-(2'-aminophenylthio)-2-hydroxy-3-(4"-methoxyphenyl)-propionic acid methyl ester
BAYER AG3 citations62
US5650542AJul 22, 1997
Process for the preparation of 2-chloro-6-nitrophenyl alkyl sulphides and novel 2-chloro-6-nitrophenyl alkyl sulphides
BAYER AG2 citations62
US5463068AOct 31, 1995
Process for desulphurizing organic mercapto and/or disulphide compounds
BAYER AG4 citations62
US5382686AJan 17, 1995
Process for preparing nitrodiphenyl (thio) ethers
BAYER AG2 citations62
US4460788AJul 17, 1984
Process for preparation of anilines which are m-substituted by chlorine
BAYER AG3 citations61
US4429156AJan 31, 1984
Process for the preparation of m-halogen-substituted anilines
BAYER AG2 citations61
US4316862AFeb 23, 1982
Process for the preparation of sulphonic acid chlorides
BAYER AG2 citations61
US5502256AMar 26, 1996
Process for preparing 2,2'-dinitrodiphenyl disulphide
BAYER AG4 citations60
US3993586ANov 23, 1976
Water-soluble complex of cuprous chloride, hydrochloric acid and at least one amine or amine salt
BAYER AG5 citations57
US5998628ADec 7, 1999
Non-explosive preparations of 1-hydroxybenzotriazole
BAYER AG1 citations52
US5872300AFeb 16, 1999
Process for the preparation of 2-amino-6-chlorophenyl-alkylsulfanes, and 2-amino-6-chlorophenyl-isopropylsulfane
BAYER AG0 citations52
US4540817ASep 10, 1985
Process for the preparation of 5-amino-2,4-dimethylacetanilide
BAYER AG1 citations47
US5591869AJan 7, 1997
Process for the preparation of methylene compounds and the novel compound 2-(2,4-Dichloro-5-fluorobenzyl)thiophene
BAYER AG0 citations41