Appeal No. 2000-0057
Application 08/748,053
however, requires that the composition contains an effective
amount of water for solidification and that the composition is
solidified into solid block form. Bull discloses that the
solid product may be enclosed in a tub or capsule, or may be
pelletized by well known methods (col. 6, lines 21-23), and
discloses using aqueous solutions of phosphoric acid and
iodine to make the composition (col. 7, lines 45-47; examples
1-21). The examiner, however, has not explained how Bull
would have fairly suggested, to one of ordinary skill in the
art, using an amount of water which is effective for
solidification, and solidifying the composition into solid
block form. Also, the appellants’ claim 41 requires that the
composition contains a soil suspending amount of a surfactant
composition. Bull’s surfactant is a complexing agent for the
iodine and is used in an amount determined by the amount of
iodine desired to be released (col. 3, lines 54-57; col. 4,
lines 57-64). The examiner has not established either that
Bull’s iodine-surfactant complex is effective for suspending
soil or that Bull would have fairly suggested, to one of
ordinary skill in the art, using a soil-suspending amount of
surfactant in excess of that required to complex the iodine.
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