Appeal No. 2005-0960 Application No. 10/053,166 teaches and suggests that said polyfunctional crosslinking agents, rather than ZnO, are to be used with peroxide crosslinking agents. The combination is obvious because both inventions relate to carboxylated nitrile rubber compositions. We refer to the brief and to the answer respectively for a thorough exposition of the opposing viewpoints expressed by the appellant and by the examiner concerning this rejection. OPINION We will sustain the rejection before us for the reasons expressed in the answer and below. According to the appellant, “there is no motivation to combine Hert . . . and Fujii . . . and arrive at the instant invention” (brief, page 3). A number of arguments have been advanced in support of this position. First, the appellant contends that Tables 2 and 4 of the subject specification evince that “the rubber of the claimed invention is much harder than the rubber disclosed in Fujii . . . or Hert . . . ” (brief, page 4). This contention is without persuasive merit. Nothing in representative claim 1 requires that the rubber mixture thereof yield an ultimate product having any particular hardness value much less the specific hardness values of the specific rubber mixtures disclosed in Tables 2 and 4. It is here 3Page: Previous 1 2 3 4 5 6 7 NextLast modified: November 3, 2007