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2 158 227

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Application

99113924/12, 1999-06-23

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Start date

1999-06-23

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Actual filing date

1999-06-23

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Published

2000-10-27

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Inventor

Gabutdinov M.S.Cherevin V.F.Trusov A.I.Ivanov L.A.Medvedeva Ch.B.Grinberg E.E.Levin Ju.I.Trubnikov I.B.Semin A.A.Gavrilov V.I.

(73)

Holder

Kazanskoe Otkrytoe Aktsionernoe Obshchestvo Sintez"

ANHYDROUS CHROMIUM TRICHLORIDE PURIFICATION METHOD Russian patent published in 2000 - IPC

Abstract RU 2158227 C1

FIELD: industrial inorganic synthesis. SUBSTANCE: anhydrous chromium trichloride is purified from chromium dichloride impurities at 890-980 C in chlorohydrocarbon or chlorocarbon flow, while removing gaseous reaction products. EFFECT: increased degree of purification and improved environmental condition. 1 tbl

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RU 2 158 227 C1

Authors

Gabutdinov M.S.

Cherevin V.F.

Trusov A.I.

Ivanov L.A.

Medvedeva Ch.B.

Grinberg E.E.

Levin Ju.I.

Trubnikov I.B.

Semin A.A.

Gavrilov V.I.

Dates

2000-10-27—Published

1999-06-23—Filed

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