Inventor
WEIS CLAUS D
11 patents
Patents
11 patentsUS4939285AJul 3, 1990
Process for the preparation of metal salts of phosphoric and phosphonic acid esters
CIBA GEIGY CORP17 citations81
US4740604AApr 26, 1988
Benzanthrone lactones
CIBA GEIGY CORP7 citations72
US4259495AMar 31, 1981
Process for producing 2,3,5,6-tetrachloropyridine
CIBA GEIGY CORP11 citations72
US4258194AMar 24, 1981
Process for producing 2,3,5-trichloropyridine
CIBA GEIGY CORP12 citations72
US4950819AAug 21, 1990
Process for the preparation of alkali metal salts of phosphonic acid monoalkyl esters
CIBA GEIGY CORP2 citations61
US4151210AApr 24, 1979
Process for the production of phenylalkyl sulphones
CIBA GEIGY CORP3 citations61
US4198529AApr 15, 1980
Process for the production of alkoxy-substituted polycyclic aromatic compounds
CIBA GEIGY CORP4 citations60
US4897484AJan 30, 1990
Process for the preparation of substituted pyridines
CIBA GEIGY CORP1 citations51
US4284828AAug 18, 1981
Process for the manufacture of 4,5-dichloro-2-(4-chlorophenoxy)phenol
CIBA GEIGY CORP0 citations50
US4282358AAug 4, 1981
Process for the production of substituted N-methylbenzoxazines
CIBA GEIGY CORP0 citations50
US4015007AMar 29, 1977
Heterocyclic spiro compounds
CIBA GEIGY CORP0 citations44