Appeal No. 95-5067
Application 08/064,575
Action dated Feb. 14, 1995, Paper No. 15) with claims 16
through 18, 20, 21/20, 22/21/20, (23-24)/22/21/20, 25, 26, and
29-60 standing withdrawn from consideration by the examiner
due to a species election (brief, pages 1-2).
According to appellants, the invention is directed to a
method of making partially fluorinated ethers by the catalyzed
polycondensation reaction of a silyl ether with a fluorinated
olefin at a reaction temperature in the range of about -50 to
about 120EC. (brief, page 3). Claim 13 is illustrative of the
subject matter on appeal and is reproduced below:
13. A process for producing partially fluorinated
ethers, comprising the catalyzed polycondensation of a silyl
ether and a fluorinated olefin in the presence of a suitable
catalyst, conducted within a temperature range of -50BC to
120BC.
The examiner has relied upon the following references as
evidence of obviousness:
Gash 3,549,606 Dec. 22,
1970
Air Reduction Co. (GB ‘477) 782,477 Sep. 4,
1957
(Published Great Britain Patent Specification)
Scherer et al. (EP ‘114) 0 077 114 Apr. 20,
1983
(Published European Patent Application)
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