Azo Bonded Directly To A Hetero Ring Or To A Polycyclo Ring System Having A Hetero Ring As One Of The Cyclos Patents (Class 534/606)
- Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding (Class 534/608)
- Acyclic carbon bonded directly to the azo group (Class 534/609)
- Additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos bonded directly to the azo group (Class 534/610)
- The hetero ring is one of the cyclos in a polycyclo ring system (Class 534/611)