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Publication of NL6803863ApublicationCriticalpatent/NL6803863A/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
C03C4/00—Compositions for glass with special properties
C03C4/04—Compositions for glass with special properties for photosensitive glass
C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass