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2 154 609

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IPC

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Application

98106712/12, 1998-03-30

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Start date

1998-03-30

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Actual filing date

1998-03-30

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Published

2000-08-20

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Inventor

Alekseeva G.N.Galkin E.A.Okatyshev N.G.Tonkov L.I.Kharitonov V.P.Shipkova N.L.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

BASIC AMMONIUM CHLORIDE PRODUCTION PROCESS Russian patent published in 2000 - IPC

Abstract RU 2154609 C2

FIELD: industrial inorganic synthesis. SUBSTANCE: invention aims at production of basic aluminum chloride used in production of drinking-quality water, therapeutic preparations, and perfumery and cosmetic products. Basic ammonium chloride is prepared by evaporating its aqueous solution with Al/Cl atomic ratio (0.7-2.0): 1 at 60-100 C to produce melt with viscosity 20 to 100 cPs. Melt is dried at 40-60 C in 2-10-mm layer and then cooled at cooling rate 5-10 C/min. EFFECT: increased yield of product and simplified process. 2 tbl

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RU 2 154 609 C2

Authors

Alekseeva G.N.

Galkin E.A.

Okatyshev N.G.

Tonkov L.I.

Kharitonov V.P.

Shipkova N.L.

Dates

2000-08-20—Published

1998-03-30—Filed

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