In re Davies

ALMOND, Senior Judge.

This is an appeal from the decision of the Patent Office Board of Appeals sustaining the examiner’s rejection of claims 1-11 and 13-23, all the claims in appellants’ application 1 entitled “Improved Polystyrene.” In their brief *668before this court, appellants “abandoned” their appeal insofar as it concerns claims 1-6, 8-11 and 14-18. Accordingly, the appeal is dismissed as to those claims. Claims 7, 13 and 19-23 remaining in the case stand rejected as unpatentable under 35 U.S.C. § 103. For reasons appearing hereinafter, we affirm.

Appellants’ invention relates to so-called…