Ziroconia based opacifiers
US5719091A · kind A · utility
0Cited by
9References
19Claims
0Family size
Inventors
Key dates
| Filing date | Jul 9, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Jul 9, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C1/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for producing a zirconia beating opacifier is disclosed. The process comprising the steps of: (I) heat treatment of a zirconia bearing material comprising heating the zirconia bearing material in the presence of an additive to form a heat modified product having one or more phases which, when incorporated in a glaze and the glaze fired, exhibit opacifying characteristics; and (ii) cooling the heat modified product to produce a product which can be used for imparting opacity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.