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 (224) halogen or compound containing same (229) and group viii metal (i.e., iron or platinum group) (230) platinum group (i.e., ru, rh, pd, os, ir or pt)

Hierarchy/Derived subclasses

502 / 100-> 224-> 229-> 230

uspto searches

Patent Apps in 502/230

Granted Patents in 502/230

Use the links above or do an advanced search in ppubs for:
(502/230.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.
Display:

Back