Inventor
TSUKAHARA RYOICHI
3 patents
Patents
3 patentsUS4033923AJul 5, 1977
Coloring resins by mixing naphthacenequinones therewith
MITSUI TOATSU CHEMICALS6 citations59
US3986826AOct 19, 1976
Dyeing synthetic and semisynthetic materials with naphthacenequinine derivatives
MITSUI TOATSU CHEMICALS0 citations49
US4017509AApr 12, 1977
Process for producing substituted or unsubstituted 2-phenyl-1.2.3.-triazole-4-carboxaldehyde
MITSUI TOATSU CHEMICALS1 citations47