Patent · US Expired

Loose sintering of spherical ferritic-austenitic stainless steel powder and porous body

US4435483A · kind A · utility

19Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 1982
Grant dateMar 6, 1984
Priority date
Expiry dateFeb 8, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12153
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A porous sintered body, preferably a filter or filter material, with good corrosion resistance and with a pore volume which can be predicted within specified comparatively narrow limits, is made by loose sintering of a preferably gas-atomized spherical powder a ferritic-austenitic stainless steel.

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