Rainer v. Unger

'WoRley, CMef Judge,

delivered the opinion of the court:

This appeal is from a decision of the Board of Patent Interferences holding that Eainer et al. cannot make the two counts of the interference.

The invention resides in the incorporation of silicone in a gasket-forming composition of vinyl cMoride resin before curing. The counts read :

1. A gasket forming composition comprising a vinyl cMoride base resin and quantities of lecitMn and silicone fluid, the latter ingredients being present in sufficient amounts so as to be present on the surface of a gasket formed from said composition and…