USPC Class Details

Description: 502 catalyst, solid sorbent, or support therefor: product or process of making / 502 catalyst, solid sorbent, or support therefor: product or process of making/(100) catalyst or precursor therefor (150) organic compound containing (162) organic phosphorus or nitrogen, except the ammonium ion

Hierarchy/Derived subclasses

502 / 100	-> 150	-> 162	-> 163
			-> 164
			-> 165
			-> 166
			-> 167

uspto searches

Patent Apps in 502/162

Granted Patents in 502/162

Use the links above or do an advanced search in ppubs for:
(502/162.ccls. or 502/163.ccls. or 502/164.ccls. or 502/165.ccls. or 502/166.ccls. or 502/167.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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