Appeal No. 2004-0676
Application No. 09/562,686
APPEALED SUBJECT MATTER
Claim 27 is representative of the subject matter on appeal and
reads as follows:
27. A method of preparing water-repellent coatings on optical
substrates comprising thermal vapor coating said optical substrate
with at least one organosilane compound in a vacuum, wherein said
thermal vaporization comprises:
impregnating a non-sintered porous inorganic oxide matrix
material with at least one compound selected from the group
consisting of silane, siloxane and siloxazane compounds;
evaporating the at least one organosilane compound from the
matrix material in a vacuum of no more than 10-3 mbar at 200/C to
600/C; and
depositing the evaporated at least one organosilane compounds
on the surface of an optical substrate heated to 30/C to 300/C;
REFERENCE
The examiner relies on the following prior art references:
Tully et al. (Tully) 4,387,195 Jun. 7, 1983
Dombrowski et al. (Dombrowski) 5,853,800 Dec. 29, 1998
1(...continued)
the rejections of claims 27 through 37 which are all of the
claims in the application. The appellants also questioned the
propriety of the examiner’s rejections of claims 27 through 37 in
their Brief and Reply Brief. Accordingly, we presume that the
appellants’ appeal is directed to the examiner’s final rejection
of claims 27 through 37.
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