Inventor
CASUTT MICHAEL
DE17 patents
Patents
17 patentsUS5520906AMay 28, 1996
Triazine derivatives with UV filter properties
MERCK PATENT GMBH21 citations92
US5095118AMar 10, 1992
Process for the preparation of d-(+)-biotin
MERCK PATENT GMBH14 citations82
US4937351AJun 26, 1990
Process for the preparation of D-(+)-biotin
MERCK PATENT GMBH7 citations73
US4877882AOct 31, 1989
Process for the preparation of D-(+)-biotin
MERCK PATENT GMBH9 citations73
US4732987AMar 22, 1988
Process for the preparation of D-(+)-biotin
MERCK PATENT GMBH7 citations73
US5473079ADec 5, 1995
Process for preparing 2-arylbenzimidazole-5-sulfonic acids
MERCK PATENT GMBH13 citations70
US5235065AAug 10, 1993
Process for the preparation of a d-(+)-biotin intermediate
MERCK PATENT GMBH2 citations62
US5233045AAug 3, 1993
Process for the preparation of imidazothiazolone derivatives
MERCK PATENT GMBH3 citations62
US5068341ANov 26, 1991
Optically active hydantoins
MERCK PATENT GMBH4 citations62
US4837402AJun 6, 1989
Process for the preparation of D-(+)-biotin
MERCK PATENT GMBH1 citations62
US5847152ADec 8, 1998
Preparation of a D-(+)-biotin intermediate
MERCK PATENT GMBH3 citations60
US5250699AOct 5, 1993
2-oxo-5-mercaptomethylimidazolidine-4-ols
MERCK PATENT GMBH4 citations60
US5075452ADec 24, 1991
Process for the preparation of 5-membered nitrogen containing heteroaromatics
MERCK PATENT GMBH3 citations60
US5399563AMar 21, 1995
Benzylidenequinuclidinones
MERCK PATENT GMBH3 citations59
US5180837AJan 19, 1993
Pilosinine derivatives
MERCK PATENT GMBH1 citations52
US4739071AApr 19, 1988
Process for the preparation of enantiomers
MERCK PATENT GMBH0 citations52
US5275941AJan 4, 1994
Process for the preparation of N-protected dialkyl (2S,3S)-3-ethylaspartates
MERCK PATENT GMBH1 citations51