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2 142 959

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IPC

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Application

98111308/04, 1998-06-15

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Start date

1998-06-15

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Actual filing date

1998-06-15

(45)

Published

1999-12-20

(72)

Inventor

Alikin V.N.Kuz'Mitskij G.Eh.Starkova A.A.Fedchenko N.N.Chizh V.G.Jampol'Skij V.B.Isupova G.V.Karpov A.A.

(73)

Holder

Permskij Zavod Im.S.M.Kirova

METHOD OF REDUCING VISCOSITY OF NITROCELLULOSE SOLUTIONS Russian patent published in 1999 - IPC

Abstract RU 2142959 C1

FIELD: varnish-and-paint industry. SUBSTANCE: method of reducing viscosity of nitrocellulose solutions by dissolving nitrocellulose in solvent composition comprising butyl acetate, acetone, and ethanol is distinguished by using pyroxylin as nitrocellulose and supplementing composition by triethylamine at following contents of components, wt parts per 100 wt parts of pyroxylin: butyl acetate 262-265, acetone 196- 200, ethanol 65-68, triethylamine 1-2. EFFECT: simplified process and reduced cost due to simultaneous disposal of out-of-date pyroxylin. 5 tbl

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RU 2 142 959 C1

Authors

Alikin V.N.

Kuz'Mitskij G.Eh.

Starkova A.A.

Fedchenko N.N.

Chizh V.G.

Jampol'Skij V.B.

Isupova G.V.

Karpov A.A.

Dates

1999-12-20—Published

1998-06-15—Filed