Ceramic foams
US4808558A · kind A · utility
38Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Aug 26, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B38/0025
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Ceramic foams in which the open cells are connected by a three-dimensional, substantially continuous ceramic matrix formed of interconnected hollow ligaments, are made from an open-cell, reticulated precursor metal, i.e. a metal foam. The precursor metal first is treated so as to allow a support coating to form thereon, and thereafter the coated precursor is heated above the melting point of the metal in the presence of an oxidant to form an oxidation reaction product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.