USPC Class Details

Description: 560 organic compounds -- part of the class 532-570 series / 560 organic compounds -- part of the class 532-570 series/() organic compounds (class 532, subclass 1) (1) carboxylic acid esters (8) aromatic acid moiety (19) nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) (43) the nitrogen is bonded directly to a ring and is in same side chain as ester function (44) polycarboxylic acid

Hierarchy/Derived subclasses

560 / 1-> 8-> 19-> 43-> 44

uspto searches

Patent Apps in 560/44

Granted Patents in 560/44

Use the links above or do an advanced search in ppubs for:
(560/44.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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