Appeal No. 95-3759
Application 08/145,118
Claimed Subject Matter
The claims on appeal are directed to a method of preparing a developer composition
comprising the steps of blending carrier particles with finely divided toner particles, separating fine
particles and debris from coarse particles, and then blending the coarse particles with toner particles.
On page 3 of the brief, appellant acknowledges all of the pending claims stand or fall together.
Accordingly, we will limit our consideration to claim 1, the broadest independent claim, which reads
as follows:
1. A method of preparing a developer composition comprising the steps of:
(1) blending carrier particles with finely divided toner particles, wherein
blending is carried out for a period of time sufficient to enable the toner particles to
alter the tribocharging ability of the carrier particles and become embedded therein;
(2) removing fine particles and debris by dividing the blend of toner particles
and carrier particles into coarse particles and fine particles; and
(3) blending the coarse particles with toner particles.
2(...continued)
on the PTOL-326 summary action form of the final rejection and on page 2, ¶1 in the body of the action that claim 11 had
been cancelled.
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