USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(46) chemical conversion of hydrocarbons (133) reforming (includes dehydrogenation, isomerization, cyclization, aromatization, alkylation, dealkylation reactions) (134) catalytic

Hierarchy/Derived subclasses

208 / 46	-> 133	-> 134	-> 135	-> 136
				-> 137	-> 138	-> 139
						-> 140
			-> 141

uspto searches

Patent Apps in 208/134

Granted Patents in 208/134

Use the links above or do an advanced search in ppubs for:
(208/134.ccls. or 208/135.ccls. or 208/136.ccls. or 208/137.ccls. or 208/138.ccls. or 208/139.ccls. or 208/140.ccls. or 208/141.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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