Appeal No. 1997-3524 Page 20
Application No. 08/336,402
by that claim or decomposition thereof as a result of heating.
However, Pall (page 17, line 2 through page 18, line 22) does
disclose that a solution or dispersion form of a resin may be
employed as a binder and that subsequent heat treatment in an
oven may be effected to cure (decompose) the binder resin. In
light of that disclosure of Pall, we do not find appellants’
additional contentions with respect to dependent claim 19
persuasive of the unobviousness of the subject matter of that
claim.
With respect to dependent claim 24, we do not find
appellants’ arguments convincing of unobviousness for reasons
analogous to those set forth with respect to dependent claim 23
as discussed above.
Concerning dependent claim 25, we agree with the examiner
that Pall would have reasonably suggested using ambient pressure
conditions for the impregnation since Pall (page 5, lines 1-10)
teaches that the particle deposition or impregnation step may be
performed so as to only fill a portion of the pores which would
have suggested to one of ordinary skill in the art that immersion
or dipping of one side of the porous material in the particle
Page: Previous 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Next
Last modified: November 3, 2007