Patent · US Expired

Highly efficient surge material for absorbent articles

US5879343A · kind A · utility

37Cited by
127References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1996
Grant dateMar 9, 1999
Priority date
Expiry dateNov 22, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/698
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

There is provided a surge material for personal care products which is a wettable web of fibers of 30 microns in diameter or less where the web has a permeability between about 250 and 1500 Darcys, a capillary tension between about 1.5 and 5 cm, and which maintains that permeability and capillary tension over the life of the web. Its preferred that the web have a density between about 0.02 g/cc to about 0.07 g/cc.

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