Application of Ulf C. H. Jacobson

RICH, Judge.

This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of all claims in application serial No. 200,593, filed April 30, 1962, entitled “Processing of Polymerizates,” a continuation-in-part of serial No. 690,259, filed October 15, 1957.

THE INVENTION

The “processing” with which the application is concerned is a method of “dry-blending” thermoplastic materials, to be used for molding or extrusion, with the usual plasticizers, stabilizers, color ing, fillers, lubricants, and the like. Although the plasticizers and some of the other materials may…