USPC Class Details

Description: 423 chemistry of inorganic compounds / 423 chemistry of inorganic compounds/(700) zeolite (713) isomorphic metal substitution (714) acid treatment

Hierarchy/Derived subclasses

423 / 700-> 713-> 714-> 715

uspto searches

Patent Apps in 423/714

Granted Patents in 423/714

Use the links above or do an advanced search in ppubs for:
(423/714.ccls. or 423/715.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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