Application of Arthur R. Tomlinson, Harry H. Hall and William F. Geigle

RICH, Judge.

This appeal is from the decision of the Patent Office Board of Appeals1 affirming the examiner’s rejection of product claims 1 through 17 and process claims 18 through 20 in application serial No. 34,384, filed June 7, 1960, for “Stabilized Polypropylene.” No claim has been allowed.

The issue is patentability over the prior art and, in order to develop a clearer picture of what the invention is, its background, and its relation to the art, we shall first present a chronological discussion of that art. The references relied on by the examiner and board are:

Naunton et al.

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