Inventor
LANGE KARL-HEINRICH
DE5 patents
Patents
5 patentsUS5436323AJul 25, 1995
Cationic 1,3,4-thiadiazole dyestuffs
BAYER AG8 citations69
US5578711ANov 26, 1996
Process for the preparation of dyestuffs
BAYER AG3 citations61
US5328993AJul 12, 1994
Cationic triazatrimethine dyestuffs
BAYER AG2 citations61
US5541299AJul 30, 1996
Process for the preparation of dyestuffs
BAYER AG1 citations50
US5502171AMar 26, 1996
Process for the preparation of dyestuffs
BAYER AG1 citations50