C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/00 (2006.01) C07C 17/23 (2006.01)
Patent
CA 2107802
2107802 9218446 PCTABS00016 Mixtures of halocarbons which contain fluorine and chlorine and/or bromine (e.g. a mixture of CCl2FCF3 with CClF2CF3, CCl2F2, CClF2CClF2 or CHClF2) are contacted with hydrogen in the presence of silicon carbide and/or a metal selected from aluminum, molybdenum, titanium, nickel, iron or cobalt (or their alloys) at temperatures of 350 ·C to 700 ·C and pressures of 0 to 1000 psig to obtain a product mixture which substantially corresponds in terms of the distribution of fluorine substituents on carbon atoms with the mixture of halocarbon starting materials.
Manogue William H.
Rao V.n. Mallikarjuna
E. I. Du Pont de Nemours And Company
Sim & Mcburney
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