Appeal No. 1999-1400
Application No. 08/849,211
consisting of water, phosphoric acid and polyphosphoric acid,
under such conditions that a) the ratio as defined by formula
(I) has a value in the range of from 0.5 to 1.0, and b) the
ratio as
defin ed
by form
ula (II)
has a valu
e in the
range of
from 2.8
to 3.2:
The examiner relies upon the following reference as
evidence of obviousness:
Reierson 5,554,781 Sep. 10, 1996
(filed Mar. 6, 1995)
-2-
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