Appeal No. 1998-0847
Application No. 08/483,762
do not submit that unexpected results need to be shown since
it is argued that the examiner has not presented a case of
prima facie obviousness (Brief, page 12; Reply Brief, pages 5-
6). Appellants argue that the maximum weight ratio limit
taught by Pai is 0.1:1 while the
claimed lower weight ratio limit is 20% greater, i.e., there
is no “slight increase” (id.).
Appellants’ argument is not persuasive. We agree with
the examiner that Pai teaches generically that “[t]he
[methane] compound may be employed in any amount which will
inhibit or greatly minimize the deleterious effects of UV
light on the
charge transport diamine compound.” See Pai, col. 5, ll. 57-
60, emphasis added. Pai further teaches that it is generally
preferred that the maximum weight ratio be 0.1:1 (col. 5, ll.
60-62). A reference must be considered, under section 103,
12
Page: Previous 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Next
Last modified: November 3, 2007