Description: 546 organic compounds -- part of the class 532-570 series / 546 organic compounds -- part of the class 532-570 series/() organic compounds (class 532, subclass 1) () heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) (1) hetero ring is six-membered consisting of one nitrogen and five carbons (26) polycyclo ring system having the six-membered hetero ring as one of the cyclos (38) hexacyclo ring system having the six-membered hetero ring as one of the cyclos (39) two of the cyclos share at least three ring members (e.g., etheno morphides, etc.)
Hierarchy/Derived subclasses
uspto searches
Patent Apps in 546/39
Granted Patents in 546/39
Use the links above or do an advanced search in
ppubs for:
(546/39.ccls. or 546/40.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.