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

Claim 18:
19. A process comprising:
a) contacting a mixture comprising CF3CF═CH2, CF3CH═CHF, and at least one impurity defined by the formula Rf≡CCX wherein Rf is a straight-chain perfluorinated alkyl group, and X is H, F, or Cl with an activated zeolite comprising at least one zeolite selected from zeolite 5A, zeolite 13X, zeolite LSX, zeolite AW-300, and mixtures thereof, and
b) reducing said impurity from an initial level to a lower level as a result of contacting said mixture with said activated zeolite at a temperature of between 0° C. and 100° C.