The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 2010
Filed:
Mar. 14, 2005
Anne Berthereau, Challes les Eaux, FR;
Emmanuel Lecomte, Bobigny, FR;
Sophie Creux, The Hague, NL;
Saint-Gobain Technical Fabrics Europe, Chambery, FR;
Abstract
The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 58 to 63% SiO; 10 to 16% AlO; 16 to 23% CaO; 0.5 to 3.5% MgO; 0 to 2% NaO+KO+LiO; 1 to 1.5% TiO; 0 to 1.5% BO; 0 to 0.4% LiO; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.