Patent · US Expired

Membranes and methods of manufacture thereof

US6737111B2 · kind B2 · utility

0Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 2003
Grant dateMay 18, 2004
Priority date
Expiry dateFeb 12, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24636
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A polymeric membrane system containing a polymeric membrane and a substrate with interstitial gaps. Polymeric membrane components reside within the interstitial gaps of the substrate and below the surface of the substrate. Also, the layer of polymeric membrane components is thinner than the cross-sectional thickness of the substrate.

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