Patent · US Expired

Multilayer cover system and method for producing same

US6168849A · kind A · utility

119Cited by
22References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 1997
Grant dateJan 2, 2001
Priority date
Expiry dateNov 14, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/662
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A multilayer material suitable for use as a cover or topsheet for personal care absorbent articles such as diapers, sanitary pads, adult incontinence garments, training pants and the like having a top layer and a bottom, where the top layer forms a plurality of apertures and contacts the bottom layer in land areas disposed between the apertures. The bottom layer has a permeability substantially equivalent to, or higher than, the top layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.