Patent · US Expired

Composite filter element

US6432233B1 · kind B1 · utility

6Cited by
28References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 2000
Grant dateAug 13, 2002
Priority date
Expiry dateJan 24, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2201/006
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A combination filter element comprising a bundle of hollow microporous fibers housed within an extruded carbon block, wherein the carbon block is fabricated to balance particle retention capacity against absorption capacity to provide a composite filter with desirable pressure drop, filter life, and particulate and chemical contamination reduction, and a filtration device, in which combination filter element may be employed, having a base portion including a sump which has an inlet and an outlet and a base which has a reception port for receiving the filter element.

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