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2 131 910

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(51)

IPC

(21) (22)

Application

97113423/04, 1997-08-05

(22)

Actual filing date

1997-08-05

(45)

Published

1999-06-20

(72)

Inventor

Khvostenko N.N.Boldinov V.A.Blokhinov V.F.Brojtman A.Z.Proshin N.N.Esipko E.A.Lavrinenko A.M.Tjurin A.M.Kerm L.Ja.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

BASE OIL PRODUCTION PROCESS Russian patent published in 1999 - IPC

Abstract RU 2131910 C1

FIELD: petroleum processing. SUBSTANCE: dewaxed oil obtained from raffinate is treated in vacuum column at 130- 150 C and pressure 0.1-0.3 atm to remove low-boiling destruction products. Treated oil us further compounded as base component of lubrication oils. EFFECT: increased yield of base oils and simplified technology. 1 tbl, 7 ex

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RU 2 131 910 C1

Authors

Khvostenko N.N.

Boldinov V.A.

Blokhinov V.F.

Brojtman A.Z.

Proshin N.N.

Esipko E.A.

Lavrinenko A.M.

Tjurin A.M.

Kerm L.Ja.

Dates

1999-06-20—Published

1997-08-05—Filed

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