Appeal No. 95-1632
Application No. 07/991,658
adhesion, the primer coating is in liquid form, is not applied by
vacuum deposition, and is a multicomponent composition. Boling
is relied upon by the examiner to show the vacuum deposition of a
fluoropolymer layer on a metal substrate. However, the
fluoropolymer layer in Boling is employed in a different context
than the initial “primer” coating of the instant claims. In
Boling, the fluoropolymer layer is used either as a “spacer”
(Fig. 1, element 96; Fig 2, element d), or as a “soft pad”
supercoating (Fig. 2, element f) “coupled relatively loosely” to
an underlying absorber layer (col. 19, lines 29-32). In neither
case, does the fluoropolymer layer of Boling appear to perform
the function of an initial primer coating, i.e. to enhance
adhesion between a substrate and an overlying coating which is
similar in a chemical sense to the initial coating. In this
respect, Boling is considered to be nonanalogous art since it is
not reasonably pertinent to the particular problem addressed by
appellants.
Accordingly, there would be no motivation to combine the
teachings of Boling with those of Effenberger or Vassiliou.
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