COLORED BOROSILICATE CRYSTALLIZED GLASS

PURPOSE:To obtain the titled crystallized glass suitable for a material for repairing crown of tooth by adding a specified amt. of oxides of Fe, Ni, Co, etc. to a borosilicate glass consisting essentially of SiO2, B2O3, and Al2O3. CONSTITUTION:A raw material for a borosilicate glass is prepd. by add...

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Bibliographische Detailangaben
Hauptverfasser: MAKINO YASUHIRO, NISHIUCHI KENJI, WATANABE AKIRA, TOKUDA HIROYASU
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To obtain the titled crystallized glass suitable for a material for repairing crown of tooth by adding a specified amt. of oxides of Fe, Ni, Co, etc. to a borosilicate glass consisting essentially of SiO2, B2O3, and Al2O3. CONSTITUTION:A raw material for a borosilicate glass is prepd. by adding