Fibre glass composition
US4312952A · kind A · utility
17Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 1980 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | Apr 11, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C13/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A fibre glass composition which is characterized in that it consists of ______________________________________ % by weight ______________________________________ SiO.sub.2 55-65 Al.sub.2 O.sub.3 1-2 CaO 6-9.5 MgO 1-4.5 Na.sub.2 O 13-17 K.sub.2 O 0-2 B.sub.2 O.sub.3 1-7 BaO 0-3 Li.sub.2 O 0-1 Fe.sub.2 O.sub.3 traces ZnO 0.5-6 ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.