Patent ID: 11905226
Assignee: THE CHEMOURS COMPANY FC, LLC
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 0:
1. A process comprising:
a) providing an activated zeolite comprising at least one zeolite selected from zeolite 5A, zeolite 13X, zeolite LSX, zeolite AW-300, and mixtures thereof;
b) contacting a mixture having at least one Rf≡CCX impurity at a first level, wherein Rf is a straight-chain perfluorinated alkyl group, and X is H, F, Cl, Br, or I, with said activated zeolite at a temperature of between −20° C. to about 200° C.;
c) reducing said first level of said at least one Rf≡CCX impurity to a second level lower than said first level with said activated zeolite; and
d) optionally, recovering a purified mixture having an impurity level lower than said first level.