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2 049 787

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C1

(51)

IPC

(21) (22)

Application

92005349/04, 1992-10-28

(22)

Actual filing date

1992-10-28

(45)

Published

1995-12-10

(72)

Inventor

Gribkov V.V.Sukhanov A.A.Karpov V.V.

(73)

Holder

Vsesojuznyj Neftjanoj Nauchno-Issledovatel'Skij Geologorazvedochnyj Institut

METHOD OF ISOLATION OF VANADYLPORPHYRINS FROM HIGH-VISCOSITY OIL Russian patent published in 1995 - IPC

Abstract RU 2049787 C1

FIELD: petroleum processing industry. SUBSTANCE: method involves the formation of complex vanadylporphyrin which is insoluble in nonpolar solvents by addition of solution of TiCl4 in hexane to parental oil, precipitate separation and isolation of vanadylporphyrin complex. For precipitate separation oil mixture is passed through the column supplied with filter and sorbent under pressure 1 atm (not less) at temperature of solvent boiling (not above). EFFECT: improved method of isolation.

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RU 2 049 787 C1

Authors

Gribkov V.V.

Sukhanov A.A.

Karpov V.V.

Dates

1995-12-10—Published

1992-10-28—Filed

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