C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/54
C10G 67/06 (2006.01) C10G 67/14 (2006.01)
Patent
CA 1187827
METHOD FOR ENHANCING CATALYTIC ACTIVITY ABSTRACT 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 about 357°C to 371°C (675° to 700°F).
394238
Holland Robert E.
Tabak Samuel A.
Kirby Eades Gale Baker
Mobil Oil Corporation
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