Heavy Metal Or Aluminum Containing Patents (Class 534/692)
- Polycyclo ring system containing the hetero ring as one of the cyclos (Class 534/702)
- Azo bonded directly to the polycyclo ring system (Class 534/703)
- The azo group is attached indirectly in the same azo moiety to an additional azo group or to an acyclic chain which contains a -CH=N- group by nonionic bonding (Class 534/704)
- Plural ring nitrogens in the polycyclo ring system (Class 534/705)
- Quinoline or isoquinoline containing (including hydrogenated) (Class 534/706)
- Azo bonded directly to the hetero ring (Class 534/707)
- At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding (Class 534/714)
- Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding (Class 534/716)
- Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) (Class 534/720)
- Plural bicyclo carbocyclic ring systems bonded directly to the azo group (Class 534/722)
- Sulfonyl bonded directly to amino nitrogen (e.g., sulfonamide, etc.) (Class 534/723)
- Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of -OH may be replaced by the ammonium ion or a metal) (Class 534/724)