Method of producing viscose

Claim 1

THE METHOD OF CONVERTING A MASS, COMPRISING PARTICULATE CELLULOSE XANTHATE AND AN ALKALINE LIQUID WHICH IS A SOLVATING AND PEPTIZING AGENT FOR THE XANTHATE, TO VISCOSE, WHICH COMPRISES PASSING THE MASS THROUGH A SERIES OF STAGES AT EACH OF WHICH INCREMENTAL AMOUNTS OF THE MASS ARE ACCUMULATED, HOLDING THE INCREMENTS ACCUMULATED AT ALTERNATE STAGES OF THE SERIES WITHOUT WITHDRAWING MATERIAL THEREFROM AND WHILE MOVING LAYERS OF EACH OF SAID INCREMENTS IN A CIRCULATING PATH THROUGH THE INCREMENT FROM POINTS GENERALLY INTERMEDIATE THE BOTTOM OF THE INCREMENT TO THE OPPOSITE OUTER EDGES THEREOF, UPWARDLY ALONG THE OUTER EDGES, AND DOWNWARDLY SUBSTANTIALLY CENTRALLY THROUGH THE INCREMENT, PROPELLING TWO LAYERS OF THE INCREMENTS ACCUMULATED AT THE REMAINING STAGES IN THE SERIES IN PATHS WHICH CONVERGE TOGETHER AND THEREBY MOVING ADJACENT LAYERS OF EACH OF THOSE INCREMENTS IN CIRCULATING PATHS GENERALLY UPWARDLY SUBSTANTIALLY CENTRALLY THROUGH THE INCREMENT AND ALONG THE OUTER OPPOSITE EDGES OF THE INCREMENT, SQUEEZING THE CONVERGED LAYERS TO FORCE THE SOLVATING AND PEPTIZING LIQUID TO DISPERSE THE CELLULOSE XANTHATE IN THE LIQUID AND FORM A FILM OF VISCOSE, AND THEN WITHDRAWING THE FILM.