Patent ID: 9370292
Filing Date: 2016-06-21
CPC Classification: A47L,B08B,C11D,D21H,Y10T

Claim Text:
1. An absorbent paper sheet for tissue or towel, the absorbent paper sheet comprising: (a) an amount by weight of pulp-derived papermaking fibers; and (b) from about 1 percent to about 30 percent by weight of fibrillated regenerated independent cellulosic microfibers prepared from a cellulosic dope of dissolved cellulose comprising a solvent selected from tertiary amine N-oxides, cellulose dissolving imidazolium salts, cellulose dissolving pyridinium salts, cellulose dissolving pyridazinium salts, cellulose dissolving pyrimidinium salts, cellulose dissolving pyrazinium salts, cellulose dissolving pyrazolium salts, cellulose dissolving oxazolium salts, cellulose dissolving 1,2,3-triazolium salts, cellulose dissolving 1,2,4-triazolium salts, cellulose dissolving thiazolium salts, cellulose dissolving piperidinium salts, cellulose dissolving pyrrolidinium salts, cellulose dissolving quinolinium salts, and cellulose dissolving isoquinolinium salts.