Patent ID: 9624148
Date: 2017-04-18
CPC Classifications: C07C

Claim:
1. A process for removing one or more undesired (hydro)halocarbon compounds containing a ═CHF or a ═CF 2 moiety from a composition comprising 2,3,3,3-tetrafluoropropene (R-1234yf) the process comprising contacting a composition comprising R-1234yf and one or more undesired (hydro)halocarbon compounds with an aluminium-containing adsorbent, activated carbon, or a mixture thereof, wherein the or each undesired (hydro)halocarbon compound is present in an amount of from about 0.1 to about 1000 ppm, based on the weight of the composition comprising the R-1234yf and one or more undesired (hydro)halocarbon compounds.