USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(46) chemical conversion of hydrocarbons (146) solids contacting and mixing (165) gravitating compact beds (172) preheating or quenching with solids

Hierarchy/Derived subclasses

208 / 46-> 146-> 165-> 172

uspto searches

Patent Apps in 208/172

Granted Patents in 208/172

Use the links above or do an advanced search in ppubs for:
(208/172.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