Appeal 2006-2968
Application 10/039,481
particles obtain a certain chargeability adequate for the previously
mentioned electrostatic development. The appealed subject matter is
adequately illustrated by independent claims 30, 32, and 33, which read as
follows1:
30. A method for preparing a liquid toner for electrostatic
development of electrostatic images, which method comprises:
dispersing pigmented polymer particles in an insulating non-polar
carrier liquid;
mixing at least one ionomer, which is not soluble at room
temperature, with the liquid containing the pigmented polymer particles;
coating the pigmented polymer particles with the at least one ionomer;
and adding at least one charge director to the liquid containing the
coated pigmented polymer particles;
wherein the pigmented polymer [sic, pigmented polymer particles]
comprises [sic, comprise] a material suitable for use as a toner material in an
electrostatic image development application, but which in the presence of
charge director alone is unchargeable or not chargeable to an extent suitable
for electrostatic development of electrostatic images; and
wherein the at least one ionomer is used in an amount effective to
impart enhanced chargeability to the toner particles to an extent that the
particles can be used to develop an electrostatic image.
32. A method for producing a liquid toner for an electrostatic imaging
method, which imaging method requires that said toner comprise toner
1 We observe that the claim reproductions in the Brief Appendix are
inaccurate. Therefore, we have copied the illustrative claims for this
decision from the actual claims pending in the application file rather than
from the Appendix reproductions.
2
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