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2 061 722

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C1

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IPC

(21) (22)

Application

5062046/04, 1992-09-10

(22)

Actual filing date

1992-09-10

(45)

Published

1996-06-10

(72)

Inventor

Kuchin A.V.Karmanova L.P.Rubtsova S.A.Dorosheva R.I.

(73)

Holder

Komi Nauchnyj Tsentr Ural'Skogo Otdelenija Ran

METHOD FOR PURIFICATION OF SULFATE TURPENTINE Russian patent published in 1996 - IPC

Abstract RU 2061722 C1

FIELD: purification of raw turpentine. SUBSTANCE: origin turpentine is simultaneously treated with 1-5 % aqueous alkali solution and carbonyl compound having formula R-C(O)H or R-C(O)R where R represents H, methyl, ethyl, propyl, isobutyl. Volume ratio of origin turpentine, aqueous alkali solution and said carbonyl compound is 1:0.1-0.5:0.1-0.5. Treatment time is 5-40 min. Said treatment is followed by rectification. EFFECT: improves efficiency of method. 3 tbl

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RU 2 061 722 C1

Authors

Kuchin A.V.

Karmanova L.P.

Rubtsova S.A.

Dorosheva R.I.

Dates

1996-06-10—Published

1992-09-10—Filed

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