Title: Glass composition for making of window glass
Application Number: 93119934 Application Date: 1993.12.22
Publication Number: 1092044 Publication Date: 1994.09.14
Approval Pub. Date: 1998.08.12 Granted Pub. Date: 1998.08.12
International Classifi-cation: C03C3/087;C03C4/08
Applicant(s) Name: Saint-Gobain Vitrage Int Address:
Inventor(s) Name: Jean-Marie Combes
Attorney & Agent: LU XINHUA
Abstract:
    The present invention relates to glass compositions suitable for the manufacture of glazings for use in the architectural field or for fitting in motor vehicles. These compositions contain the following constituents with the contents, express in weight percentages, defined by the following limits: SiO2 69 to 75% Al2O3 0 to 3% CaO 2 to 10% MgO 0 to 2% Na2O 9 to 17% K2O 0 to 8% Fe2O3 0.2 to 1.5% These compositions can also contain fluorine, as well as oxides of zinc, zirconium, carium, titanium and less than 4% barium oxide, the sum of the percentages of the alkaline earth oxides remaining equal to or below 10%.
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