CPC Subgroup
C09B 44/02 containing ammonium groups not directly attached to an azo group
Full Title
Azo dyes containing onium groups > containing ammonium groups not directly attached to an azo group
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C09B 44/04 from coupling components containing amino as the only directing group
- C09B 44/06 from coupling components containing hydroxyl as the only directing group
- C09B 44/08 from coupling components containing heterocyclic rings