Patent · US Expired

Mineral wool composition

US6313050A · kind A · utility

18Cited by

9References

17Claims

0Family size

Assignee

Isover Saint-Gobain · FR

Inventors

Alain De Meringo · Paris, FR
Jean-Luc Bernard · Clermont, FR
Fabrice Laffon · Paris, FR

Key dates

Filing date	Mar 23, 2000
Grant date	Nov 6, 2001
Priority date	—
Expiry date	Mar 23, 2020

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 capable of being dissolved in a physiological medium and comprising the constituents below in the following percentages by weight: SiO.sub.2 38-52% Al.sub.2 O.sub.3 16-23% RO (CaO + MgO) 4-15% R.sub.2 O (Na.sub.2 O + K.sub.2 O) 16-25% B.sub.2 O.sub.3 0-10% Fe.sub.2 O.sub.3 (total iron) 0-3%, preferably 0-1.5% P.sub.2 O.sub.5 0-3%, preferably 0-1.5% TiO.sub.2 0-2%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.