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2 065 439

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IPC

(21) (22)

Application

93057801/04, 1993-12-28

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Actual filing date

1993-12-28

(45)

Published

1996-08-20

(72)

Inventor

Levdanskij V.A.Polezhaeva N.I.Kuznetsov B.N.

(73)

Holder

Institut Khimii Prirodnogo Organicheskogo Syr'Ja So Ran

METHOD FOR PRODUCTION OF DERIVATIVES OF 3-PHENYLOXY-5-HYDROXYANTHRA-[1,9-CD]ISOXAZOL-6-ON Russian patent published in 1996 - IPC

Abstract RU 2065439 C1

FIELD: dyeing of fibers. SUBSTANCE: 1-oxyentriaseno-2-phenyloxy-4-oxyanthraquinone and its suitable derivatives are used as reagent 1. Reaction is carried out by boiling in acetic anhydride. EFFECT: improves efficiency of the method.

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RU 2 065 439 C1

Authors

Levdanskij V.A.

Polezhaeva N.I.

Kuznetsov B.N.

Dates

1996-08-20—Published

1993-12-28—Filed

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