Process for preparing a durable glass composition
US5215563A · kind A · utility
66Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1990 |
| Grant date | Jun 1, 1993 |
| Priority date | — |
| Expiry date | Nov 1, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for preparing an improved durable glass composition is described. In the first step of the process, a glass batch containing from 40 to 80 mole percent of phosphorous and from 3 to 40 mole percent of iron is provided. In the second step of the process, the glass batch is melted under an enriched oxygen atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.