Patent · US Expired

Ultrafiltration separator

US5294339A · kind A · utility

5Cited by
1References
26Claims
0Family size

Inventor

Key dates

Filing dateOct 21, 1992
Grant dateMar 15, 1994
Priority date
Expiry dateOct 21, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A20/131
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Ultrafiltration separator with a membrane made of a stainless steel or titanium wire weave with a wire diameter of less than 0.02 mm, exhibiting more than 2000 picks, i.e. more than 2000 pores per inch, with mesh openings less than 0.004 mm in size, whereby the direction of flow for the medium to be filtered is parallel to the membrane and elevations generating turbulence are positioned at the surface of the membrane, transverse to the direction of flow.

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