Appeal No. 96-1100 Application 07/836,032 specifically reject the examiner's argument that it would have been obvious to discard the radiopaque element in the printing materials, for the only suggestion for this is found via impermissible hindsight. Insofar as the second rejection of claim 1 is concerned, we find ourselves in agreement with the appellants' position that while Scholz teaches using a plasticizer in printing material for an orthopaedic bandage, it does not teach using a plastisol, which is not the same thing. Among the limitations in independent claim 6 is that the printing material be comprised of a water-based acrylic and a pigment. Here, the examiner again points to Papp, which discloses an acrylic latex emulsion as an ingredient in another example of a radiopaque printing material. As was the case above, we share the appellants' view that there is no suggestion, other than hindsight, which would have motivated an artisan to separate the acrylic latex and the pigment from the remaining ingredients and utilize them as printing material on the Freeman orthopaedic bandage. The examiner bears the initial burden of presenting a prima facie case of obviousness (see In re Rijckaert, 9 F.3d 1531, 1532, 28 USPQ2d 1955, 1956 (Fed. Cir. 1993)), which is 4Page: Previous 1 2 3 4 5 6 NextLast modified: November 3, 2007