Patent · US Expired

Production of porous ceramic materials

US4004933A · kind A · utility

46Cited by
10References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 1972
Grant dateJan 25, 1977
Priority date
Expiry dateDec 20, 1992

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B38/0615
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Porous ceramic materials are made by impregnating a foam with a slurry of finely divided ceramic material, drying and firing the foam. Prior to impregnating the foam it is treated so that the particulate material of the slurry will adhere to the foam.

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