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Publication of BE543684ApublicationCriticalpatent/BE543684A/xx
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C3/00—Glass compositions
C03C3/04—Glass compositions containing silica
C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
C03C3/111—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing nitrogen