Compositions for mineral wool
US8871662B2 · kind B2 · utility
2Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2007 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Mar 28, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2213/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The subject of the invention is a mineral wool, the glass fibers of which have a chemical composition substantially free of boron oxide and comprising the following constituents in the limits defined below, expressed in percentages by weight: 60 to 75 SiO2; 0 to 4 Al2O3; 17 to 22 Na2O; 5 to 15 CaO; 0 to 2 Fe2O3; and 0 to 3 P2O5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.