The opinion in support of the decision being entered today was not
written for publication and is not binding precedent of the Board.
UNITED STATES PATENT AND TRADEMARK OFFICE
_____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte AKIHISA OKUMURA, MASAO HORI, HIDEKI GOTOH,
and MAKOTO HORIUCHI
_____________
Appeal No. 2006-0446
Application No. 09/778,103
______________
ON BRIEF
_______________
Before KIMLIN, TIMM and JEFFREY T. SMITH, Administrative Patent
Judges.
KIMLIN, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 18-23.
Claim 18 is illustrative:
18. An exhaust-gas purifying process comprising:
preparing a catalyst for purifying exhaust gas by
forming the catalyst of iridium, a rare earth metal oxide,
and sulfur; and at least one element selected from a group
consisting of calcium, strontium and barium, as catalyst
active substances, wherein the iridium forms a complex oxide
with said at least one element;
setting an exhaust-gas temperature in a range of 200 Co
to 700 C at an inlet to the catalyst for purifying theo
exhaust gas; and
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