USPC Class Details

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 (184) piperidines (192) additional ring containing (216) chalcogen bonded directly to ring carbon of the piperidine ring (219) plural chalcogens bonded directly to ring carbons of the piperidine ring (220) having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the piperidine ring by nonionic bonding

Hierarchy/Derived subclasses

546 / 1-> 184-> 192-> 216-> 219-> 220

uspto searches

Patent Apps in 546/220

Granted Patents in 546/220

Use the links above or do an advanced search in ppubs for:
(546/220.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.
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