Process for purifying (hydro)fluoroalkenes

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United States of America Patent

PATENT NO 9790152
APP PUB NO 20170121257A1
SERIAL NO

15407871

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Abstract

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A process for removing one or more undesired (hydro)halocarbon compounds containing a ═CF2 moiety from a (hydro)fluoroalkene that does not contain a ═CF2 moiety, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminum-containing absorbent, 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.

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Patent Owner(s)

  • MEXICHEM AMANCO HOLDING S.A. DE C.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayes, John Cheshire, GB 410 12298
McGuinness, Claire E Cheshire, GB 6 8
Sharratt, Andrew P Cheshire, GB 40 125

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