Patent ID: 8435625
Filing Date: 2013-05-07
Classification: A61K,A61Q,D04H,Y10T

Abstract:
1. A non-woven sheet comprising a substrate wherein the non-woven sheet is obtained by carding, spunlaying, meltblowing, wetlaying or a mixture thereof as the web forming procedure and by hydro-entanglement as the web bonding process and wherein a substantial portion of one or both surfaces of the sheet has a three-dimensional pattern embossed therein, said pattern comprising a series of raised and lowered regions, wherein both surfaces have a ridged pattern and none of the raised or lowered regions has any flat portion; wherein the lowered and raised regions are arranged in a recurrent pattern of lowered and raised regions of about the same size and shape and wherein the basis weight of the substrate is essentially the same over the whole surface and wherein the density of the raised regions is in the range of from 20 to 120 kg/m 3 and the density of the lowered regions is in the range of from 120 to 180 kg/m 3 .