Manufacture of specialty oils

Details Manufacture of specialty oils Manufacture of specialty oils

1977-07-20

1979-01-30

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 14, 208111, C10G 2100, C10G 3706

Patent

active

041371488

ABSTRACT:
Specialty oils of very low pour point and excellent stability, such as transformer oils and refrigerator oils, are produced from waxy crude distillates by solvent refining, catalytic dewaxing over a zeolite catalyst in the nature of zeolite ZSM-5 and hydrotreating.

REFERENCES:
patent: 3438887 (1969-04-01), Morris et al.
patent: 3627673 (1971-12-01), Sproule et al.
patent: 3894938 (1975-07-01), Gorring et al.
patent: 3956102 (1976-05-01), Chen et al.

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