Patent · US Expired

Mullite by reactive hot pressing

US4640904A · kind A · utility

4Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 1985
Grant dateFeb 3, 1987
Priority date
Expiry dateJun 21, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B35/18
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A mixture of alumino-silicate glass and alumina having a composition corresponding to mullite and containing a nucleating mullite powder is hot pressed producing a dense polycrystalline mullite body having an average grain size of less than 15 microns.

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