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2 012 563

(13)

C1

(51)

IPC

(21) (22)

Application

4919211/05, 1991-01-28

(22)

Actual filing date

1991-01-28

(45)

Published

1994-05-15

(72)

Inventor

Muzykin A.Ju.Prezhdo V.V.

(73)

Holder

Muzykin Aleksej Jur'Evich

METHOD OF CELLULOSE NITRATE PRODUCING Russian patent published in 1994 - IPC

Abstract RU 2012563 C1

FIELD: chemical technology. SUBSTANCE: cellulose is treated with nitric acid at -30-20 C containing, wt. -% : N2O5 5-30 and N2O4 0.5 (not more) up to the content of N2O5 in acid 1-2 (not less). Method is used for production of nitrocellulose varnish, explosive substances, pharmacological preparations and compounds of high purity. EFFECT: improved method of producing. 1 tbl

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RU 2 012 563 C1

Authors

Muzykin A.Ju.

Prezhdo V.V.

Dates

1994-05-15—Published

1991-01-28—Filed

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