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2 148 574

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C1

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IPC

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Application

99108628/04, 1999-04-20

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Start date

1999-04-20

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Actual filing date

1999-04-20

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Published

2000-05-10

(72)

Inventor

Tartakovskij V.A.Ermakov A.S.Sigaj N.V.Varfolomeeva O.N.

(73)

Holder

Institut Organicheskoj Khimii Im. N.D. Zelinskogo Ran

METHOD OF SYNTHESIS OF MIXING PLASTICIZER Russian patent published in 2000 - IPC

Abstract RU 2148574 C1

FIELD: organic chemistry. SUBSTANCE: invention relates to method of synthesis of mixing plasticizer consisting of 2,4-dinitro-2,4-diaza-pentane, 2,4-dinitro-2,4-diazahexane and 3,5-dinitro-3,5-diazaheptane. Synthesis is carried out by interaction of mixture of N,N'-dimethyl- and N,N'-diethylureas with fuming sulfuric acid followed by treatment of reaction mixture with formaldehyde and nitric acid at cooling. EFFECT: increased safety of process, facility, increased yield of end product. 1 tbl

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RU 2 148 574 C1

Authors

Tartakovskij V.A.

Ermakov A.S.

Sigaj N.V.

Varfolomeeva O.N.

Dates

2000-05-10—Published

1999-04-20—Filed

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