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2 259 993

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IPC

(21) (22)

Application

2004109446/04, 2004-03-29

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Start date

2004-03-29

(22)

Actual filing date

2004-03-29

(45)

Published

2005-09-10

(72)

Inventor

Rysaev U.Sh.Dmitriev Ju.K.Rysaev V.U.Gil'Mutdinov A.T.Rasulev Z.G.Annamuradov R.T.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

METHOD FOR PREPARING CALCIUM STEARATE Russian patent published in 2005 - IPC

Abstract RU 2259993 C1

FIELD: chemical technology.

SUBSTANCE: invention relates to a method for preparing calcium stearate used for stabilization of plastic masses, in manufacture of paint and varnish materials, vitamin and medicinal preparations. Preparing calcium stearate is carried out by interaction of stearic acid and calcium oxide or hydroxide in the equimole ratio of reagents. The process is carried out in the solid phase under atmosphere pressure and intensive stirring without heating in the presence of zeolite of CaX type taken in the amount 6.7-16 wt.-%. Method provides simplifying technology due to a single stage process and improvement of economical indices.

EFFECT: improved preparing method.

7 tbl, 3 ex

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RU 2 259 993 C1

Authors

Rysaev U.Sh.

Dmitriev Ju.K.

Rysaev V.U.

Gil'Mutdinov A.T.

Rasulev Z.G.

Annamuradov R.T.

Dates

2005-09-10—Published

2004-03-29—Filed