USPC Class Details

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 (689) stilbene containing

Hierarchy/Derived subclasses

534 / 573	-> 689	-> 690
		-> 691

uspto searches

Patent Apps in 534/689

Granted Patents in 534/689

Use the links above or do an advanced search in ppubs for:
(534/689.ccls. or 534/690.ccls. or 534/691.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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