Process for stabilizing lube base stocks derived from neutral oi

Details Process for stabilizing lube base stocks derived from neutral oi Process for stabilizing lube base stocks derived from neutral oi

1987-07-28

1989-01-03

Sneed, H. M. S.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208 18, 208 58, 208 67, 208 98, 208111, 585733, 585739, C10G 6700

Patent

active

047955465

ABSTRACT:
A process for improving the storage stability of hydrocracked neutral oil lubricating oil stocks comprising a dewaxing step utilizing a high silica zeolite catalyst to produce a dewaxer effluent and two stabilizing steps utilizing hydrofinishing and nonhydrogenative stabilization by an acidic catalyst.

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patent: 4549955 (1985-10-01), Shih
"Catalytic Dewax Process Improved", Oil & Gas Journal 10-27-80, pp. 77-84, (Donnelly et al).

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