Inventor
ORT BURKHARD
DE4 patents
Patents
4 patentsUS5106980AApr 21, 1992
Preparation of quinophthalones
BASF AG15 citations66
US4897478AJan 30, 1990
Preparation of haloisatoic anhydrides
BASF AG0 citations48
US5028705AJul 2, 1991
Preparation of pyrazolo[5,1-b]quinazolones
BASF AG0 citations47
US4925946AMay 15, 1990
Preparation of pyrazolo(5,1-B)quinazolones
BASF AG1 citations47