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2 072 361

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IPC

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Application

93043686/04, 1993-08-30

(22)

Actual filing date

1993-08-30

(45)

Published

1997-01-27

(72)

Inventor

Topchieva I.N.Poljakov V.A.Saj S.B.Eletskaja S.V.

(73)

Holder

Mgu Fakul'Tet)Moskovskoe Nauchno-Proizvodstvennoe Ob"Edinenie

CONJUGATES OF α OR b-CYCLODEXTRINS WITH POLYETHYLENE OXIDE AS COMPLEXING AGENT AND EMULSIFIER AND METHOD FOR THEIR PRODUCTION Russian patent published in 1997 - IPC

Abstract RU 2072361 C1

FIELD: chemical technology. SUBSTANCE: desired conjugates having common formula a where l=6 or 7, m=6-12, n=0 or n=6-12 are prepared by treatment of b- or -cyclodextrins with ethylene oxide. The process is carried out at 60-80 C in the presence of catalytic amount of chloride or hydroxide of alkaline metal. EFFECT: improves quality of desired product, improves efficiency of the method. 3 cl, 3 tbl

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RU 2 072 361 C1

Authors

Topchieva I.N.

Poljakov V.A.

Saj S.B.

Eletskaja S.V.

Dates

1997-01-27—Published

1993-08-30—Filed

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