Appeal No. 1996-2738
Application 08/252,501
especially
lines 45-50, where polymeric amidazolines and polyalkylene
polyamines are disclosed as polymeric nitrogen-containing
compounds for use in the starch product. See Jarowenko,
column 2, lines 1-41, where tertiary amino alkyl starch ethers
containing ethyleneimine units are disclosed. Both references
disclose cationic polysaccharide (i.e., starch) derivatives
having at least two cationic (i.e., nitrogen) moieties bonded
to each derivatized saccharide monomer.
Once the examiner meets the lesser burden of proof by
showing products in the prior art that reasonably appear to be
identical or substantially identical to the claimed additive
product, the burden shifts to appellants to establish, by
objective evidence or argument, that the prior art and claimed
products differ in an unobvious manner. Fessman, supra.
Appellants have not offered any objective evidence in an
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