USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(46) chemical conversion of hydrocarbons (49) plural serial stages of chemical conversion (50) coking in at least one stage (52r) with both catalytic and thermal cracking (52ct) catalyst treatment to remove metal contaminants

Hierarchy/Derived subclasses

208 / 46

-> 49

-> 50

-> 52r

-> 52ct

uspto searches

Patent Apps in 208/52CT

Granted Patents in 208/52CT

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