Inventor

OCKELMANN DIETER

DE3 patents

Patents

3 patents

US4647409AMar 3, 1987

Copper-phthalocyanine dyestuffs

BAYER AG3 citations58

US4537721AAug 27, 1985

Cu-Pc dyestuffs

BAYER AG5 citations58

US4710569ADec 1, 1987

Basic dyestuffs

BAYER AG1 citations50