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 (617) fiber- or substrate-reactive azo compound (640) alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectly to a ring by nonionic bonding

Hierarchy/Derived subclasses

534 / 573	-> 617	-> 640	-> 641	-> 642
			-> 643
			-> 644

uspto searches

Patent Apps in 534/640

Granted Patents in 534/640

Use the links above or do an advanced search in ppubs for:
(534/640.ccls. or 534/641.ccls. or 534/642.ccls. or 534/643.ccls. or 534/644.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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