Appeal 2007-4227
Application 10/409,417
A. Introduction
Appellant ("Kutilek") appeals under 35 U.S.C. § 134 from the final
rejection of claims 1-8, 10–15, 26, and 27. Claims 16–25 are pending but
have been withdrawn from consideration by the Examiner. We have
jurisdiction under 35 U.S.C. § 6(b). We AFFIRM.
The subject matter on appeal relates to a method of shifting the
amorphous to crystalline transition temperature of a titania (TiO2) coating
material comprising adding a metal to the titania.
Claim 1 is representative of the issues necessary to resolve this appeal
and reads:
A method of shifting the amorphous to crystalline transition
temperature of a titania coating material, comprising the steps
of:
adding at least one dopant to a titania-containing
material, the dopant selected from at least one of:
Mo, V, Al, Zn, Zr, Li, K, Co, La, Ca, Ba, Si, Ag,
Cu, Ni, Mg, Mn, Cd, Fe, Cr, Tb, Sn, Ge, and Pd,
and mixtures or combinations thereof.
(Br. at 7, Claims Appendix.)
The Examiner has maintained the following rejections:
(1) Claims 1-6, 13, and 14 are rejected under 35 U.S.C. § 102(b) in
view of Chopin2.
(2) Claims 7, 8, 10–12, 15, 26, and 27 are rejected under 35 U.S.C.
§103(a) in view of Chopin.
2 Thierry Chopin et al., Substrate with a Photocatalytic Coating Based on
Titanium Dioxide and Organic Dispersions Based on Titanium Dioxide,
U.S. Patent 6,362,121 B1, issued 26 March 2002.
2
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