Fire resistant glazing
US8057905B2 · kind B2 · utility
2Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 23, 2006 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Nov 23, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B17/10908
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A transparent fire-resistant glazing which includes at least one intumescent layer of a hydrated alkaline metal silicate between two glass sheets. The intumescent alkaline metal silicate layer has an SiO2/M2O molar ratio between 3.5 and 7 and a water content from 33 to 43% by weight. Their preparation incorporates a drying step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.