Appeal No. 2006-0715 Application No. 09/757,175 4, ll. 64-66; col. 5, ll. 4-6; and col. 5, ll. 65-68). The examiner has failed to present any objective evidence that one of ordinary skill in the art of multilayer opaque film composites would have substituted a “skin layer” for a “core layer” with a reasonable expectation of success, including similar or improved properties. 5Page: Previous 1 2 3 4 5 6 7 NextLast modified: November 3, 2007