Patent · US Active

Durable nanoweb scrim laminates

US8361180B2 · kind B2 · utility

32Cited by

19References

3Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Hyun Sung Lim · Midlothian, US
Cheng-Hang Chi · Midlothian, US

Key dates

Filing date	Nov 26, 2007
Grant date	Jan 29, 2013
Priority date	—
Expiry date	Dec 17, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D39/163
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter media comprising a nanofiber layer and a substrate layer; the nanofiber layer comprising a polymer material and having a fiber diameter of about 0.01 to 1.0 micron, a basis weight of about 0.5 to 30 gsm, and a thickness of at least about 2 microns, the nanofiber layer further having a surface stability index of at least about 5 kN/m, the media further being pleated.

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