Application of William G. Baird, Jr., Carl A. Lindstrom, Jr., Arthur L. Besse, Jr., and Donald J. D'EntrEmont

RICH, Judge.

This appeal is from the decision of the Board of Appeals of the Patent Office in application serial No. 817,246, filed June 1, 1959, by Baird, Jr., Lindstrom, Jr., Besse, Jr., and D’Entremont for “Method of Treating Polypropylene.”

The application at bar is stated to be a continuation-in-part of application serial No. 713,848, filed February 7,1958, by the same four inventors for “Method of Producing Film Having Improved Shrink Energy,” now patent No. 3,022,-543, herein “Baird et al.,” issued to W. R. Grace & Co., assignee, on February 27, 1962.

The Issues

This appeal presents three…