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1 358 355

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A1

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IPC

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Application

3981322/05, 1985-11-26

(22)

Actual filing date

1985-11-26

(45)

Published

1995-03-27

(72)

Inventor

Seleznev L.G.Bril' A.S.Kalistratova G.V.Panarin E.F.Solovskij M.V.Kochetkova I.S.Afinogenov G.E.

METHOD OF PREPARING OF WATER-SOLUBLE PHYSIOLOGICALLY ACTIVE POLYMER Russian patent published in 1995 - IPC

Abstract SU 1358355 A1

FIELD: polymers. SUBSTANCE: method involves interaction of N-vinylpyrrolidone and crotonic acid copolymer with dimethylbenzylalkylammonium chloride containing C10-18-H21-37B-alkyl in air flow at 70-100 C at mass ratio of copolymer and dimethylbenzylalkylammonium chloride (1.85-2.04):1. Invention ensures to obtain physiologically active friable polymer and decrease synthesis period of this polymer up to 2-2.5 h. EFFECT: improved method of synthesis. 1 tbl

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SU 1 358 355 A1

Authors

Seleznev L.G.

Bril' A.S.

Kalistratova G.V.

Panarin E.F.

Solovskij M.V.

Kochetkova I.S.

Afinogenov G.E.

Dates

1995-03-27—Published

1985-11-26—Filed

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