Appeal No. 94-2794
Application No. 07/702,533
are the employment of about 30% to about 60% by weight of a
mixture of soft and hard magnetite, with the hard magnetite
accounting for about 10% of the total weight of the toner
composition.
See specification, page 15 and 16. This toner composition is
adequately illustrated in claim 1 which is reproduced below:
1. A toner composition comprising:
a) about 30% to about 70% by weight of a resin;
b) about 30% to about 60% by weight of a mixture of
soft magnetite and hard magnetite; and
c) up to about 10% by weight of a lubricating
component;
wherein said hard magnetite accounts for about 10% of the
total weight of the toner composition, and wherein the
retentivity of said toner composition is from about 3.0 emu/g
to about 8.0 emu/g.
The sole reference of record relied upon by the examiner
is:
Unno et al (Unno) 2 H2-181757 July 16,
1990
(Japanese Kokai Patent Publication)
2Our reference to this publication is to the
corresponding English translation of record.
2
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