Appeal No. 1996-2738
Application 08/252,501
reaction product which is a graft copolymer and thus cannot be
the reaction product of a reagent having a single
polysaccharide
reactive group (Brief, pages 6-7). Appellants’ argument is
not persuasive since Jarowenko specifically discloses that
only the ethyleneimine chain is being grafted onto the starch
molecule (at one hydroxyl group, see column 2, lines 11-40).
Jarowenko also discloses that this reaction product is “non-
inhibited” or “non-crosslinked”, which is the same objective
desired by appellants (column 4, lines 53-55, and the
specification, page 2, line 25-page 3, line 15).
For the foregoing reasons, we determine that the examiner
has established a prima facie case of anticipation/obviousness
which, based on the totality of the record including
appellants’
arguments, has not been rebutted. Accordingly, the rejections
of claims 25 through 27 under 35 U.S.C. § 102(b) or § 103 over
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