Process of making soluble yarns and threads of partially carboxymethylated cotton

Claim 1

A PROCESS OF PRODUCING A WATER-SOLUBLE CELLULOSIC TEXTILE, WHICH PROCESS COMPRISES: WETTING A CELLULOSIC TEXTILE OF THE GROUP CONSISTING OF SILVERS, YARNS, AND THREADS OF COTTON, REGENERATED CELLULOSE, AND CARBOXYMETHYLATED CELLULOSE CONTAINING LESS THAN 1 CARBOXYMETHYL GROUP PER 3 GLUCOSE UNITS WITH AQUEOUS AT LEAST 50% MONOCHLORACETIC ACID; MECHANICALLY REDUCING THE AMOUNT OF LIQUID RETAINED BY THE SO-WETTED TEXTILE; WETTING THE RESULTANT PARTIALLY WET TEXTILE WITH AQUEOUS 40 TO 50% ALKALI METAL HYDROXIDE; MAINTAINING THE SOWETTED TEXTILE FOR FROM ABOUT 20 TO 60 MINUTES UNTIL THE TEXTILE CONTAINS 1 CARBOXYMETHYL GROUP PER 1 TO 3 GLUCOSE UNITS; AND SUBSTANTIALLY IMMEDIATELY REMOVING THE SO-TREATED CARBOXYMETHYLATED TEXTILE FROM CONTACT WITH ALKALI METAL HYDROXIDE BY A MECHANICAL REDUCTION OF THE AMOUNT OF LIQUID IN CONTACT WITH THE TEXTILE, AND BY A NEUTRALIZATION OF REMAINING ALKALI METAL HYDROXIDE WITH AN ACID IN AN AQUEOUS INERT WATER MISCIBLE ORGANIC SOLVENT HAVING A CONCENTRATION OF AT LEAST 60 PERCENT OF THE ORGANIC SOLVENT.