Application of Sydney M. Spatz and Marvin Koral

WORLEY, Chief Judge.

This appeal is from a decision of the Board of Appeals affirming the rejection of claims 1-12 in appellants’ application1 for “Fire-Retardant Composition Derived from Tetrabromophthalic Acid Anhydride,” as “unpatentable” in view of certain prior art.

The subject matter is reflected in claims 1 and 6:

1. A method of preparing polyester resins that have fire-retardant characteristics when cured, which comprises: preparing a mixture of glycol and a component of the group consisting of saturated diearboxylic acids and anhydrides thereof, said component containing at least 10 mol…