Processes for the production of fluoropropanes and halopropenes and azeotropic compositions of 2-chloro-3,3,3-trifluoro-1-propene with HF and of 1,1,1,2,2-pentafluoropropane with HF
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United States of America Patent
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Mar 19, 2013
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app pub date -
Oct 31, 2007
filing date -
Oct 31, 2006
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Abstract
A process is disclosed for making CF3CF2CH3, CF3CF═CH2 and/or CF3CCl═CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CClX2CCl═CH2 and halopropenes of the formula CX2═CClCH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3, CF3CF═CH2 and CF3CCl═CH2; and recovering the CF3CF2CH3, CF3CF═CH2 and/or CF3CCl═CH2 from the product mixture.
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