Patent · US Expired

Process for the manufacture of a metal oxide powder for ceramic materials and zirconia powder produced by this process

US4830993A · kind A · utility

31Cited by

4References

13Claims

0Family size

Assignee

Solvay & Cie · BE

Inventors

Franz Legrand · Quaregnon, BE
Patricia Van den Bossche-De Bruycker · Brussels, BE
Luc Lerot · Brussels, BE

Key dates

Filing date	Jan 6, 1987
Grant date	May 16, 1989
Priority date	—
Expiry date	Jan 6, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2004/64
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Process for the manufacture of a metal oxide powder for ceramic materials by the hydrolysis of a metal alcoholate in the presence of an acidic organic compound. The process applies to the production of metal oxide powders, such as zirconia powders, with a mean particle diameter of between 0.05 and 2 microns.

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