Appeal No. 1999-0678
Application No. 08/462,691
Sundman et al. (Sundman) 1065105 Oct. 30, 1979
(Published Canadian Patent Application)
Kimura et al. (Kimura) 54-30902 Mar. 7, 1979
(Published Japanese Kokai Patent Application)
Coste et al. (Coste) FR 2 620 744 A1 Mar. 24, 1989
(Published French Patent Application)
Soteland et al. (Soteland), “The Effect of Ozone on Mechanical
Pulps,” Norsk Skogindustri, pp. 165-169 (June 1974).
Singh, “Ozone replaces chlorine in the first bleaching stage,”
65 TAPPI, No. 2, pp. 45-48 (Feb. 1982).
Reeve et al. (Reeve), “Studies with a High-Intensity Medium
Consistency Laboratory Pulp Mixer,” TAPPI Seminar Notes, pp. 19-
23 (1985).
Appellants’ admission at page 11 of the specification
(hereinafter referred to as “admitted prior art”).
Appellants rely on the following references:
Mjoberg et al. (Mjoberg), “Ozone for Pulp Bleaching,” Jaakko
Poyry AB (Sep. 1992).
Grace et al. (Grace), “Alkaline Pulping,” Pulp and Paper
Manufacture, Vol. 5, pp. 425-460 (3rd Ed., 1989).
Dahllöf, “Medium Consistency Ozone Bleaching,” Kvaerner, pp. 1-7
(Karlstd, Sweden, March 6-10, 1994).3
REJECTIONS
The appealed claims stand rejected as follows:
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