X, wherin X is Cl or F, from 1243zf

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United States of America Patent

PATENT NO 8629307
APP PUB NO 20130102815A1
SERIAL NO

13712278

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Abstract

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The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF3CHFCH2X to produce 1234yf.

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Patent Owner(s)

Patent OwnerAddress
MEXICHEM AMANCO HOLDING S A DE C VRIO SAN JAVIER NO 10 FRACCIONAMIENTO VIVEROS DEL RIO TLALNEPANTLA 54060

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McGuiness, Claire Cheshire, GB 7 61
Sharratt, Andrew P Cheshire, GB 40 125
Smith, John W Cheshire, GB 213 9165

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