Application of Fred Fortess and Werner A. P. Schoeneberg

ALMOND, Judge.

This is an appeal from the decision of the Board of Patent Appeals affirming the rejection of process claims 1-7, 9-14 and 21, and product claims 17-20 in appellants’ application serial No. 680,783, filed August 28, 1957 for “Anti-Stati-cized Cellulose Esters.” 1 No claims were allowed by the examiner.

The invention relates to a process of producing surface-saponified, heat-treated filamentary material of cellulose esters, such as a cellulose triacetate fabric, and the products resulting therefrom.

The saponification is effected by the use of an aqueous solution of an inorganic…