Patent ID: 9345378
Filing Date: 2016-05-24
CPC Classification: A47L,B08B,C11D,D21H,Y10T

Claim Text:
1. A method of cleaning residue from a surface, the method comprising: (A) providing a disposable cellulosic wiper comprising (a) a percentage by weight of pulp-derived papermaking fibers, and (b) from about 10% to about 75% by weight of fibrillated regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml, the microfibers being selected and present in amounts such that the wiper exhibits a capillary pressure at 10% saturation by extrusion porosimetry of at least twice that of a like sheet prepared without fibrillated regenerated independent cellulosic microfibers; (B) applying the wiper, with a predetermined amount of pressure, to a residue-bearing surface; and (C) wiping the surface with the applied wiper, while applying the predetermined amount of pressure, to remove residue from the surface, such that the surface has less than 1 g/m