Appeal No. 1997-1992 Page 4
Application No. 08/115,388
(d) optionally a phenylenediamine compound having
the
following structure
6 7
wherein R is C -C alkyl, C -C aryl or C -C alkaryl; and R ,1 12 6 10 7 16
8 9
R and R are independently selected from the group consisting
of hydrogen, C -C alkyl, C -C cycloalkyl, C -C aralkyl and1 12 3 12 7 11
C -C alkaryl.
7 16
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Tung 2,938,922 May
31, 1960
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