In re Boe

MILLER, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the examiner’s rejection under 35 U.S.C. § 103 of claims 1-9-^-all the claims in application serial No. 112,766, filed February 4, 1971, for “Release Finish for Yarns Containing Segmented Elastomers.” We affirm.

INVENTION

The invention involves a process for reducing tackiness of freshly spun filaments, composed at least partly of a segmented elastomeric polymer,1 by applying an aqueous, lubricating finish emulsion to such filaments, and the resulting lubricated filament. It is known that filaments…