Manufacture of cellulose acetate

Claim 1

IN A PROCESS OF MANUFACTURING CELLULOSE ACETIC FROM FORMED WOOD PULP WHICH IS DRIED AT A TEMPERATURES WHICH RENDER UNTREATED PULP PARTIALLY UNREACTIVE TOWARD ACYLATION, THE IMPROVEMENT WHICH COMPRISES APPLYING THE ACYLATING AGENT TO SAID WOOD PULP WHICH CARRRIES AT LEAST ON ITS SURFACE FROM 0.02% TO 0.5% BY WEIGHT BASED ON THE SUBSTANTIALLY DRY PULP OF WATER-SOLUBLE NONIONIC SURFACE ACTIVE AGENT APPLIED TO SAID PULP PIROR TO DRYING, SAID SURFACE ACTIVE AGENT BEING A CHA IN COMPOUND COMPOSED OF A MULTIPLICITY OF ALKENOXYGROUPS DERIVING ITS HYDROPHILIC ATTRACTION FROM ETHER OXYGEN ATOMS AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF A MULTIPLICITY OF ETHENOXY GROUPS WITH ONE CHAIN TERMINAL GROUPS BEING -H AND THE OTHER -OH, A MULTIPICITY OF PROPENOXY GROUPS WITH ONE CHAIN TERMINAL GROUP BEING -H AND THE OTHER -OH, AND A MIXTURE OF A MULTIPICITY OF ETHENOXY AND PROPENOXY GROUPS WITH ONE TERMINAL GROUP OF THE CHAIN BEING -H AND THE OTHER BEING OF CLASS CONSISTING OF -OH, ALKOXY HAVING 1 TO 7 CARBONS, PHENOXY, CHLORINE AND BROMINE.