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Application

4858555/04, 1990-08-09

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Actual filing date

1990-08-09

(45)

Published

1994-12-15

(72)

Inventor

Najdis F.B.Panarin E.F.Gorbunova O.P.Tarasova N.N.Khakhin S.N.Zajtseva T.V.Komov D.N.Noske A.O.

(73)

Holder

Institut Vysokomolekuljarnykh Soedinenij Ran

METHOD OF PRODUCTION OF ACID POTASSIUM SALT OF D-GLUCOSUGAR ACID Russian patent published in 1994 - IPC

Abstract RU 2024485 C1

FIELD: chemistry. SUBSTANCE: product - acid potassium salt of D-glucosugar acid C6H9O8K has melting point 188 C at [α]2D

1=+5 C (Cl, H2O). Reagent 1 - D-glucose. Reagent 2 - 43-56% aqueous solution of nitric acid. Reaction conditions: at 20-22 C portion of obtained solution is added into continuous reactor up to filling factor of 0.02-0.20 and is heated to boiling, then remaining portion of solution is added. Reaction mixture goes from continuous reactor into reactor of periodic action where process is finished with stirring at 50-70 C which is controlled by rate of feed of starting solution of D-glucose in nitric acid into continuous reactor. EFFECT: improved quality of acid potassium salt.

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RU 2 024 485 C1

Authors

Najdis F.B.

Panarin E.F.

Gorbunova O.P.

Tarasova N.N.

Khakhin S.N.

Zajtseva T.V.

Komov D.N.

Noske A.O.

Dates

1994-12-15—Published

1990-08-09—Filed

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