USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(46) chemical conversion of hydrocarbons (85) with preliminary treatment of feed (92) distillation (94) plural stages of distillation

Hierarchy/Derived subclasses

208 / 46-> 85-> 92-> 94

uspto searches

Patent Apps in 208/94

Granted Patents in 208/94

Use the links above or do an advanced search in ppubs for:
(208/94.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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