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U.S. Department of Energy
Office of Scientific and Technical Information

Stabilizing and dewaxing lube oils

Patent ·
OSTI ID:6620362

A two-step process for dewaxing and stabilizing hydrocracked lubricating oil stocks is disclosed. High-silica zeolite produces catalytic dewaxer effluent containing lower olefins for favorable stabilizing (Alkylation) reactions by contact with acidic catalyst substantially free of hydrogenation activity.

Assignee:
Chevron Research Co
Patent Number(s):
US 4361477
OSTI ID:
6620362
Country of Publication:
United States
Language:
English