Appeal No. 1996-1154
Application No. 08/174,497
amount of retentate to the top of the multistage reactor and
adjusting the input of the silver oxide slurry. See
specification, page 9, lines 14-27, and page 8, lines 1-20.
“The term ‘retentate’ refers to a slurry of solids that is
separated from the filtrate by the filter.” See
specification, page 2, lines 29-31.
As evidence of obviousness, the examiner relies on the
following prior art:
Green 3,554,883 Jan. 12,
1971
Celio 3,623,817 Nov. 30,
1971
Asai et al. (Asai) 4,136,157 Jan. 23,
1979
Katoh et al. (Katoh) 4,909,950 Mar. 20,
1990
Dale 5,141,861 Aug.
25, 1992
Claims 1 through 8 and 10 stand rejected under 35 U.S.C.
§ 103 as unpatentable over Asai in view of Green and Dale.
Claims 9 and 11 stand rejected under 35 U.S.C. § 103 as
unpatentable over Asai in view of Green and Dale as applied to
claims 1 through 8 and 10, and further in view of Katoh.
Claim 12 stands rejected under 35 U.S.C. § 103 as unpatentable
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