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2 042 618

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Application

5067620/26, 1992-10-07

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Actual filing date

1992-10-07

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Published

1995-08-27

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Inventor

Konstantinov I.I.Melent'Eva T.I.Kormushechkina A.I.Fomichev A.V.Levanovich V.S.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Karbamida I Produktov Organicheskogo Sinteza S Opytnym Zavodom

METHOD OF PHOSGENE SYNTHESIS Russian patent published in 1995 - IPC

Abstract RU 2042618 C1

FIELD: chemical technology. SUBSTANCE: method involves feeding CCl4 and CO2 in the quartz tube at the mole ratio 1:(0.25-8). Interaction is carried out in the presence of AlCl3 or FeCl3 at 350-550 C. AlCl3 and FeCl3 can be prepared in the process of interaction of corresponding oxide. Method is used for preparing isocyanate and carbonate. EFFECT: improved method of synthesis. 2 cl, 1 tbl

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RU 2 042 618 C1

Authors

Konstantinov I.I.

Melent'Eva T.I.

Kormushechkina A.I.

Fomichev A.V.

Levanovich V.S.

Dates

1995-08-27—Published

1992-10-07—Filed

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