JPS5342326B2 - - Google Patents
Info
- Publication number
- JPS5342326B2 JPS5342326B2 JP6627075A JP6627075A JPS5342326B2 JP S5342326 B2 JPS5342326 B2 JP S5342326B2 JP 6627075 A JP6627075 A JP 6627075A JP 6627075 A JP6627075 A JP 6627075A JP S5342326 B2 JPS5342326 B2 JP S5342326B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Eyeglasses (AREA)
- Glass Compositions (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6627075A JPS51142010A (en) | 1975-06-02 | 1975-06-02 | Glass for lens of eye glass |
AU14003/76A AU484911B2 (en) | 1975-06-02 | 1976-05-17 | Glass compositions for ophthalmic lenses |
DE2623683A DE2623683C3 (de) | 1975-06-02 | 1976-05-26 | Glas für Augenlinsen mit einem Brechungsindex von mindestens 40 und einem spezifischen Gewicht von nicht mehr als 3,lg/cm3 |
DE2660012A DE2660012C2 (de) | 1975-06-02 | 1976-05-26 | Gläser für Augenlinsen mit einem Brechungsindex von mindestens 1,70, einem Abbe-Wert von 40 und einem spezifischen Gewicht von nicht mehr als 3,0g/cm↑3↑ |
GB2267376A GB1539231A (en) | 1975-06-02 | 1976-06-01 | Glass compositions for ophthalmic lenses |
US05/692,074 US4055435A (en) | 1975-06-02 | 1976-06-02 | Glass compositions for ophthalmic lenses |
FR7616698A FR2313328A1 (fr) | 1975-06-02 | 1976-06-02 | Compositions de verres pour verres de lunetterie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6627075A JPS51142010A (en) | 1975-06-02 | 1975-06-02 | Glass for lens of eye glass |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51142010A JPS51142010A (en) | 1976-12-07 |
JPS5342326B2 true JPS5342326B2 (US07902200-20110308-C00004.png) | 1978-11-10 |
Family
ID=13310975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6627075A Granted JPS51142010A (en) | 1975-06-02 | 1975-06-02 | Glass for lens of eye glass |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS51142010A (US07902200-20110308-C00004.png) |
GB (1) | GB1539231A (US07902200-20110308-C00004.png) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53109514A (en) * | 1977-03-05 | 1978-09-25 | Nippon Chemical Ind | Glass for spectacle lens |
JPS6021828A (ja) * | 1983-07-14 | 1985-02-04 | Hoya Corp | 眼鏡レンズ用ガラス |
JP2795326B2 (ja) * | 1991-04-05 | 1998-09-10 | 株式会社オハラ | 光学ガラス |
JP6029627B2 (ja) * | 2014-08-13 | 2016-11-24 | Hoya株式会社 | 車載カメラ用レンズ |
-
1975
- 1975-06-02 JP JP6627075A patent/JPS51142010A/ja active Granted
-
1976
- 1976-06-01 GB GB2267376A patent/GB1539231A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS51142010A (en) | 1976-12-07 |
GB1539231A (en) | 1979-01-31 |