Appeal No. 1996-0696 Application 08/150,268 claims 10, 17, 18 and 22-25, which are all of the claims remaining in the application. THE INVENTION Appellants claim a process for making a fluorinated ether having a recited formula by reacting an ether which has a specified formula and is in the vapor phase with a solid transition metal fluoride selected from a recited Markush group. Claim 10 is illustrative and reads as follows: 10. A process for the preparation of a fluorinated ether of the formula: wherein R is hydrogen, R' is hydrogen or -CHFCF , and R" is 3 fluorine or perfluoroalkyl of 1 to 6 carbon atoms, which comprises reacting an ether of the formula: -2-2Page: Previous 1 2 3 4 5 6 7 NextLast modified: November 3, 2007