Fluorination process of halogenated organic compounds

Details Fluorination process of halogenated organic compounds Fluorination process of halogenated organic compounds

1997-05-20

1999-11-09

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570169, 502228, C07C 1708

Patent

active

059818131

ABSTRACT:
Fluorination process of halogenated organic compounds with gaseous anhydrous HF characterized in that a catalyst comprising a supported Cr(III) amorphous compound is used, wherein the support consists in an aluminum trifluoride (AlF.sub.3) having an high surface area and an high pore volume obtainable by fluorination with gaseous HF of alumina having surface area of at least 150 m.sup.2 /g and pore volume not lower than 0.3 cc/g and wherein said alumina comprises from 0.5 up to 15% by weight of silicon oxide, the chromium amount being comprised between 1 and 20% by weight.

REFERENCES:
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patent: 4967023 (1990-10-01), Carmello et al.
patent: 5008475 (1991-04-01), Manzer et al.
patent: 5300711 (1994-04-01), Corbin et al.
patent: 5545778 (1996-08-01), Tung et al.

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