Patent · US Expired

Nonwoven fabrics and their manufacture and use

US7745681B1 · kind B1 · utility

89Cited by
8References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 21, 1999
Grant dateJun 29, 2010
Priority date
Expiry dateJun 21, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/682
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A fabric comprises first and second webs of gel-forming fiber needled to the first and second sides respectively of a textile fiber scrim. Such fabrics find application as wound dressings, in particular for packing cavity wounds.

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