USPC Class Details

Description: 423 chemistry of inorganic compounds / 423 chemistry of inorganic compounds/(1) treating mixture to obtain metal containing compound (111) group iiia metal or beryllium (al, ga, in, tl, or be) (115) forming compound containing plural metals (119) alkali metal aluminate

Hierarchy/Derived subclasses

423 / 1	-> 111	-> 115	-> 119	-> 120
				-> 121

uspto searches

Patent Apps in 423/119

Granted Patents in 423/119

Use the links above or do an advanced search in ppubs for:
(423/119.ccls. or 423/120.ccls. or 423/121.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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