Inventor
SCHELLHAMMER CARL WOLFGANG
15 patents
Patents
15 patentsUS4274062AJun 16, 1981
Dyestuff laser
BAYER AG29 citations91
US4326066AApr 20, 1982
Triazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffs
BAYER AG24 citations82
US4526705AJul 2, 1985
Light-collecting systems and the use of coumarin derivatives as energy converters in them
BAYER AG8 citations73
US4069228AJan 17, 1978
Coumarins containing sulphonylamino groups
BAYER AG8 citations73
US4071466AJan 31, 1978
Optical brighteners
BAYER AG6 citations72
US4284787AAug 18, 1981
Process for the preparation of 1,2,3-triazoles substituted in the 2-position
BAYER AG8 citations71
US4080379AMar 21, 1978
Sulphonamidosalicylaldehydes
BAYER AG4 citations62
US4183853AJan 15, 1980
1-[p-(2-Trialkylammonium)propylsulfonylphenyl]-3-(phenyl)-pyrazoline salts
BAYER AG5 citations61
US4144243AMar 13, 1979
3-Pyrozolyl-4-triazolyl compounds
BAYER AG2 citations61
US4271293AJun 2, 1981
Benzofuranyl-benzimidazoles
BAYER AG3 citations60
US4005098AJan 25, 1977
Triazolyl-coumarins
BAYER AG4 citations56
US4263435AApr 21, 1981
6-[2-Hydroxy-4-(1,2,3-triazol-2-yl)-phenyl]-2,4-dioxo-1,3,5-trimethyl-hexahydro-s-triazines and their preparation
BAYER AG1 citations51
US4229579AOct 21, 1980
3-(Halopyrazolyl)-7-triazolyl-coumarin compounds
BAYER AG0 citations51
US4447651AMay 8, 1984
1,4-Bis-(4-chloro-2-methoxystyryl)-benzene
BAYER AG0 citations50
US4252720AFeb 24, 1981
Pyrazoline compounds
BAYER AG0 citations50