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

Method for enhancing catalytic activity

Patent ·
OSTI ID:6601152
Catalytically dewaxed lubricating base stock oils that have improved resistance to oxidation are produced by pretreating the waxy furfural raffinate with a zeolite sorbent prior to dewaxing with a zeolite catalyst such as zsm-5, and conducting the dewaxing at a reduced temperature not to exceed 675/sup 0/-700/sup 0/ F.
Assignee:
Mobil Corp
Patent Number(s):
US 4357232
OSTI ID:
6601152
Country of Publication:
United States
Language:
English