Patent · US Expired

Melt-blown fibrous web

US5582907A · kind A · utility

997Cited by
85References
60Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 28, 1994
Grant dateDec 10, 1996
Priority date
Expiry dateJul 28, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/68
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention provides a melt-blown fibrous nonwoven web comprising fibers ranging in average fiber diameters to about 2 microns or less, with a narrow fiber diameter distribution, and a high degree of weight uniformity. The present invention also provides methods of preparing, processing and using such fibrous webs, as well as products incorporating such fibrous webs.

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