Appeal No. 1998-2523
Application No. 08/778,644
potassium or ammonium bromide salt, and a complex of ferric ion and
ethylenediaminetetraacetic acid, the ferric ion being present in an
amount of from about 50 to about 58 g/l,
in at least a 1:1 volume ratio to form a regenerated bleach replenisher,
followed by adjusting the pH of said regenerated bleach replenisher to
from about 5.4 to about 5.6.
CITED REFERENCES
As evidence of unpatentability, the Examiner relies on the following
references:
Ishikawa et al. (Ishikawa) 5,002,860 Mar. 26, 1991
Okauchi et al. (Okauchi) 4,232,118 Nov. 4, 1980
The Examiner rejected claims 18 to 22 and 27 to 31 under 35 U.S.C. § 102(b)
as anticipated by or, in the alternative, under 35 U.S.C. § 103(a) as obvious over
Ishikawa or Okauchi. The Examiner has also rejected the claims 18 to 22 and 27 to
31 under 35 U.S.C. § 103(a) as obvious over the combination of Ishikawa and
Okauchi. (Answer, p. 5.)
We have carefully reviewed the claims, specification and applied prior art,
including all of the arguments advanced by both the Examiner and Appellants in
support of their respective positions. This review leads us to conclude that the
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