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2 037 497

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C1

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IPC

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Application

5040177/04, 1992-04-28

(22)

Actual filing date

1992-04-28

(45)

Published

1995-06-19

(72)

Inventor

Ermilina N.I.Vojtjuk L.P.Kharrasova A.N.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Institut Plasticheskikh Mass Im.G.S.Petrova S Opytnym Moskovskim Zavodom Plastmass"

METHOD OF TRIS-β-CHLOROPROPYLPHOSPHATE PURIFICATION Russian patent published in 1995 - IPC

Abstract RU 2037497 C1

FIELD: chemical technology. SUBSTANCE: tris-b-chloropropylphosphate is treated at 100-120 C with live superheated steam at temperature 110-140 C, at 12.00-13.33 kPa following by aqueous-alkaline and aqueous washing, drying and filtration. EFFECT: improved method of purification. 1 tbl

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RU 2 037 497 C1

Authors

Ermilina N.I.

Vojtjuk L.P.

Kharrasova A.N.

Dates

1995-06-19—Published

1992-04-28—Filed

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