Inventor

KROCK FRIEDRICH WILHELM

3 patents

Patents

3 patents

US4035398AJul 12, 1977

Anthraquinone dyestuffs

BAYER AG0 citations49

US4017524AApr 12, 1977

Anthraquinone dyestuffs

BAYER AG1 citations46

US3957822AMay 18, 1976

Anthraquinone dyestuffs

BAYER AG0 citations46