Patent · US Expired

Oxidation of reduced ceramic products

US4568650A · kind A · utility

5Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1984
Grant dateFeb 4, 1986
Priority date
Expiry dateJan 17, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC30B33/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of reoxidizing a partially-reduced ceramic. The partially reduced eramic is heated in a chamber having a non-oxidizing atmosphere. An oxidizing gas is then introduced into the chamber at a rate which is sufficiently slow that cracking will not occur.

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