Appeal No. 98-2735
Application No. 90004386
As evidence of obviousness, the examiner relies on the
following prior art:
Vogt et al. (Vogt) 3,650,519 Mar. 21,
1972
De Bic 3,715,203 Feb. 06,
1973
Arentzen 4,178,174 Dec. 11,
1979
Brimacombe et al. (Brimacombe)4,238,228 Dec. 09,
1980
Hoffmann et al. (Hoffmann) 4,421,552 Dec. 20,
1983
Mackey et al. (Mackey (I)) 4,504,309 Mar. 12,
1985
Mackey et al. (Mackey (II)) 1,190,751 Jul. 23,
1985
(Published Canadian Patent)
Bibby 16,273 Sep. 24,
1891
(Published Great Britain Application)
Tittes et al. (Tittes) 2,141,535 A Dec. 19, 1984
(Published Great Britain Application)
Ikoma 2 61-52327 Mar. 15, 1986
(Published Japanese Application)
A. K. Biswas et al. (Biswas), “Preparation of Anodes: Sulphur
and Oxygen Removal,” in Extractive Metallurgy of Copper, pp.
242-245 (New York, Pergamon Press, 1976).
T. J . A. Smith et al. (Smith), ”Oxygen Smelting and the
Olympic Dam Project,” in G. Kachaniwsky et al. (Editor),
Proceedings of the International Symposium on The Impact of
Oxygen on the Productivity of Non-Ferrous Metallurgical
Processes, pp. 49-59 (New York, Pergamon Press, 1987).
2Our reference to Ikoma is to its corresponding English
translation of record.
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