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:
Dec. 15, 2015
Filed:
Oct. 25, 2007
Anne Berthereau, Columbus, OH (US);
Jerome Lalande, Saint-Maur des Fossés, FR;
Anne Berthereau, Columbus, OH (US);
Jerome Lalande, Saint-Maur des Fossés, FR;
Owens Corning Intellectual Capital, LLC, Toledo, OH (US);
Abstract
The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO67-72%; ZrO5-9.5%, preferably ≧7.5%; RO (R=Na, K and Li) 11-17%; LiO 0-5.5%; KO 0-5.5%; NaO<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (AlO, FeO, CrO, TiO, MgO, SrO, BaO and PO) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.