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2 213 081

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IPC

(21) (22)

Application

99103959/02, 1999-02-23

(24)

Start date

1999-02-23

(22)

Actual filing date

1999-02-23

(45)

Published

2003-09-27

(72)

Inventor

Furneh V.V.Kolesnichenko E.N.Pechenev Ju.G.Il'Ina N.A.Rabotinskij N.I.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut

PENTAERYTHRITOL TETRANITRATE PURIFICATION METHOD Russian patent published in 2003 - IPC

Abstract RU 2213081 C2

FIELD: explosives. SUBSTANCE: explosive and alkaline agent are dissolved in acetone on heating, after which resulting suspension is cooled and solid phase in the form of pentaerythritol tetranitrate crystals is separated and dried. Pure product is suitable for manufacturing detonating cords, detonators, and explosion cartridges. EFFECT: decreased volume of applied equipment and power consumption. 3 cl, 1 tbl

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RU 2 213 081 C2

Authors

Furneh V.V.

Kolesnichenko E.N.

Pechenev Ju.G.

Il'Ina N.A.

Rabotinskij N.I.

Dates

2003-09-27—Published

1999-02-23—Filed