Inventor

VOLLMANN HANSJORG

DE2 patents

Patents

2 patents

US3972904AAug 3, 1976

Water-soluble dyestuffs readily convertible into insoluble form and process for preparing them

HOECHST AG6 citations68

US4241166ADec 23, 1980

Photopolymerizable composition comprising a monoazo dye as contrast colorant

HOECHST AG14 citations66