Patent ID: 6936722
Filing Date: 2005-08-30
Classification: C07C

Abstract:
1. A process for obtaining perhaloethers or haloethers having formula (I) wherein: X 1) independently of one another X 2) one of X 3) one of X 4) one X X has the following meanings: L=0, 1; when L=1, Rf=Rf′ or Rf″; being Rf′=C the number average moleoular weight of Rf″ being from 66 to 12,000, wherein the case is excluded when L=0, X is different from F, comprising the following steps: wherein X 1 , X 2 , X 3 and X 4 are as above, at temperatures in the range from 0° C. to 120° C. in absence or in the presence of inert, liquid or gaseous diluents.