Catalyst of chromium oxide microspheres and process for its prep

Details Catalyst of chromium oxide microspheres and process for its prep Catalyst of chromium oxide microspheres and process for its prep

1981-11-24

1984-03-27

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Forming or treating a sphere, process only

502256, 502527, 428402, 570165, B01J 2108, B01J 2386, B01J 3508

Patent

active

044395345

ABSTRACT:
This invention relates to catalysts for gaseous phase fluorination of aliphatic chlorinated derivatives by hydrofluoric acid. The catalysts comprise chromium oxide microspheres obtained by a sol-gel process. This invention also relates to gaseous phase fluorination processes for aliphatic chlorinated derivatives utilizing these catalysts.

REFERENCES:
patent: 2819229 (1958-01-01), Strecker et al.
patent: 3157707 (1964-11-01), Clark et al.
patent: 3681259 (1972-08-01), Vesely
patent: 4218430 (1980-08-01), Biggerstaff

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