Patent · US Active

Geotextile composite for filtration of contaminated liquids and sediments

US7870965B2 · kind B2 · utility

1Cited by
27References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 2007
Grant dateJan 18, 2011
Priority date
Expiry dateMay 28, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Geotextile composite configured to filter liquids The geotextile composites include a pre-filter layer, a post-filter layer and at least two intermediate filter layers disposed between the pre-filter layer and the post-filter layer. At least one fibrous web that includes composite fibers and adsorptive particulates is disposed between the at least two intermediate filters. The fibrous web has a structural component, and a thermally-bondable, polymeric component.

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