Application of Sabatino R. Orfeo and Kevin P. Murphy

ALMOND, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals, adhered to on reconsideration, affirming the rejection of claims 5-8 of appellants' application, entitled “Fluorocarbon Compositions,” 1 as unpatentable under the provisions of 35 U.S.C. § 103. No claims have been allowed.

The invention relates to a low temperature refrigeration process utilizing an azeotropic mixture of trifluoromethane (CHF3; boiling point of —82.0° C.) and monochlorotrifluoromethane (CC1F3; boiling point of —81.4° C.). The CHF3/CC1F3 azeotrope, consisting of 49 — 51 mole % CHF3,…