Patent · US Expired

Composite nonwoven material and application to any absorbent article of hygiene

US5556392A · kind A · utility

40Cited by
7References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 17, 1995
Grant dateSep 17, 1996
Priority date
Expiry dateMay 17, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/684
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Material having improved body fluid run through time and reletting resistance is disclosed. The nonwoven composite material comprises a first layer consisting of a nonwoven which is permeable to body fluids and including a layer of carded fibers, also pervious to body fluids, linked to the first layer by needling. In another embodiment, there is a second nonwoven layer on the other side of the carded fiber layer with a weight per unit are less than the weight per unit area of the first layer.

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