Patent · US Expired

Porous material and tubular filter made of said material

US4724078A · kind A · utility

14Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1985
Grant dateFeb 9, 1988
Priority date
Expiry dateJun 10, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/96
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A porous material made from sintered inorganic particles. It has an open pososity of 30% to 40% by volume, a permeability to water at 20.degree. ranging from 0.6 to 60 m.sup.3 /h.m.sup.2.bar for a wall thickness of 2 cm as the average pore diameter varies from 2 to 20 microns and a crushing resistance, measured under conditions of isostatic compression, of 4.times.10.sup.8 to 5.times.10.sup.8 N/m.sup.2.

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