Appeal No. 1998-0575
Application No. 08/190,569
BACKGROUND
The invention is directed to a method for deodorizing air containing H S by passing
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the air through a deodorant material. Claim 9 which is representative of the invention is
reproduced below:
9. A method for deodorant an air flow containing H S, comprising deodorizing said
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air flow by passing it through a deodorant material, said deodorant material comprising
(a) a carrier which has been prepared by treating granular or fibrous active
carbon by an oxidizing treatment, and
(b) cupric ion supported on said carrier, H S reacting with said cupric ion.
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As evidence of obviousness, the Examiner relies on the following reference:
Ninomiya et al. (Ninomiya) 4,210,628 Jul. 1, 1980
THE REJECTION
Claims 9 and 10 are rejected as being unpatentable under 35 U.S.C. § 103(a) over
Ninomiya. (Examiner’s Answer, page 3).
OPINION
We reverse the aforementioned rejection. We need to address only claim 9, which
is the sole independent claim.
Ninomiya discloses a process for removing nitrogen oxides contained in waste
gases. The waste gases are said to contain sulfur oxides together with the nitrogen oxides.
(Column 1, lines 20-25). The process employs active carbon, carbon supported with one
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