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1 760 749

(13)

A1

(51)

IPC

(21) (22)

Application

4774976/05, 1989-12-28

(22)

Actual filing date

1989-12-28

(45)

Published

1995-06-19

(72)

Inventor

Enikolopov N.S.Gal'Brajkh L.S.Rogovina S.Z.Vikhoreva G.A.Akopova T.A.Sakhonenko L.S.Zelenetskij S.N.

METHOD OF CHITOSAN PREPARING Russian patent published in 1995 - IPC

Abstract SU 1760749 A1

FIELD: chemical technology. SUBSTANCE: mixture of chitosan and solid sodium hydroxide at mole ratio 1:3-10 is loaded into two-auger extruder. Mixture is subjected for action of shear stress at 0.3-3.0 H/m simultaneously with pressure 0.2-50 MPa at 25-200 C. EFFECT: improved method of chitosan preparing.

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SU 1 760 749 A1

Authors

Enikolopov N.S.

Gal'Brajkh L.S.

Rogovina S.Z.

Vikhoreva G.A.

Akopova T.A.

Sakhonenko L.S.

Zelenetskij S.N.

Dates

1995-06-19—Published

1989-12-28—Filed

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