Appeal 2007-0128
Reexamination Control 90/006,208
Patent 5,573,648
change in electrical characteristic of the sensor electrode with respect to the
counter
electrode in the presence of a gas to be measured. (Id. at col. 5, ll. 20-25).
42) Tomantschger states that the ion conductive electrolyte may be a solid or
polymer electrolyte. (Id. at abstract).
43) Tomantschger states that the electrolyte material may be an ionically
conductive solid material, such as uranyl hydrogenphosphate tetrahydrate. (Id. at
col. 8, ll. 34-38).
vii. Razaq, U.S. Patent No. 5,322,602
44) Razaq describes a gas sensor formed with a perfluorinated, ion-exchange
polymer. (Razaq, Abstract).
45) Razaq states that its gas sensor can detect a wide variety of gases, include
moisture (H2O). (Id.).
IV. ANALYSIS
There are four (4) prior art rejections on appeal. The rejections are as
follows:
19
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