Activation of chromic fluoride catalyst with hydrogen chloride a

Details Activation of chromic fluoride catalyst with hydrogen chloride a Activation of chromic fluoride catalyst with hydrogen chloride a

1978-03-08

1979-05-22

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252415, 2606537, B01J 2712, B01J 2732, C07C 1700, C07C 1908

Patent

active

041558812

ABSTRACT:
A process for activating chromic fluoride halogen-exchange catalyst, comprising contacting the catalyst with hydrogen chloride and then chlorine, or, hydrogen chloride and chlorine, simultaneously, and contacting the intermediate chloride-containing compound thus formed with hydrogen fluoride to complete the activation.

REFERENCES:
patent: 2977323 (1961-03-01), Johnson et al.
patent: 3150104 (1964-09-01), Lehman
patent: 3294852 (1966-12-01), Vecchio
patent: 3385794 (1968-05-01), Sherer et al.
patent: 3632834 (1972-01-01), Christoph, Jr.
patent: 3660307 (1972-05-01), Sherer et al.
patent: 3855151 (1974-12-01), Shindel

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