Appeal No. 1998-3281
Application 08/650,500
weight of DAPRAL GE 202, we also find the specific limitations in
the dependent claims would have been obvious from the suggestion
in the prior art to use DAPRAL GE 202 as a polymeric dispersant
for graphite pigments (colorants) used in ink jet ink
compositions. Both Ma and Matrick disclose that their ink
compositions would be useful in thermal ink jet printers.
Accordingly, the limitation in claim 20 of using the inks in a
thermal ink jet process is also suggested by the combination of
the prior art on which we rely.
OTHER ISSUES
In the event appellant pursues the subject matter of this
application in another application, he must supply to the
examiner any product information or product sheets of which he is
aware or may possess which describe the proprietary products and
the uses for DAPRAL's manufactured by Akzo Chemie. The examiner
and appellant should determine whether or not the newly added
formula for polymers defined by the structure (a) in claim 22 is
adequately "described" in the original disclosure in view of the
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