Description: 534 organic compounds -- part of the class 532-570 series / 534 organic compounds -- part of the class 532-570 series/() organic compounds (class 532, subclass 1) (573) azo (660) hydroxy and carbonyl of -coo- bonded directly to a monocyclic benzene ring (h or hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a metal) (666) at least three azo groups attached indirectly to each other by nonionic bonding (669) additional -c(=x)-, wherein x is chalcogen
Hierarchy/Derived subclasses
uspto searches
Patent Apps in 534/669
Granted Patents in 534/669
Use the links above or do an advanced search in
ppubs for:
(534/669.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find
patents or patent applications in those subclasses.