Application of Abner B. Stryker, Jr

LANE, Judge.

This appeal is from the decision of the Patent Office Board of Appeals, which affirmed the rejection of both claims in appellant’s application serial No. 272,449, filed April 11, 1963, for an improved process for producing polypropylene. We reverse.

The invention is defined, and also adequately described for our purposes, by claim 1:

The process of removing propylene diluent from a suspension consisting essentially of from about 50%-60% by weight polypropylene in liquid propylene obtained directly from a propylene polymerization reactor under the autogenous pressure of the reactor…