GB1539231A - Glass compositions for ophthalmic lenses - Google Patents
Glass compositions for ophthalmic lensesInfo
- Publication number
- GB1539231A GB1539231A GB2267376A GB2267376A GB1539231A GB 1539231 A GB1539231 A GB 1539231A GB 2267376 A GB2267376 A GB 2267376A GB 2267376 A GB2267376 A GB 2267376A GB 1539231 A GB1539231 A GB 1539231A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass compositions
- ophthalmic lenses
- ophthalmic
- lenses
- compositions
- Prior art date
- 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)
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 (1)
Publication Number | Publication Date |
---|---|
GB1539231A true GB1539231A (en) | 1979-01-31 |
Family
ID=13310975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2267376A Expired GB1539231A (en) | 1975-06-02 | 1976-06-01 | Glass compositions for ophthalmic lenses |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS51142010A (en) |
GB (1) | GB1539231A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2145407A (en) * | 1983-07-14 | 1985-03-27 | Hoya Corp | Optical glass for spectacle lens |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53109514A (en) * | 1977-03-05 | 1978-09-25 | Nippon Chemical Ind | Glass for spectacle lens |
JP2795326B2 (en) * | 1991-04-05 | 1998-09-10 | 株式会社オハラ | Optical glass |
JP6029627B2 (en) * | 2014-08-13 | 2016-11-24 | Hoya株式会社 | In-vehicle camera lens |
-
1975
- 1975-06-02 JP JP6627075A patent/JPS51142010A/en active Granted
-
1976
- 1976-06-01 GB GB2267376A patent/GB1539231A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2145407A (en) * | 1983-07-14 | 1985-03-27 | Hoya Corp | Optical glass for spectacle lens |
Also Published As
Publication number | Publication date |
---|---|
JPS5342326B2 (en) | 1978-11-10 |
JPS51142010A (en) | 1976-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1557880A (en) | Glass for eye glass lens | |
AU504329B2 (en) | Opthalmic lens manufacture | |
JPS5240147A (en) | Glass for lens in artificial eyes | |
FR2313328A1 (en) | GLASS COMPOSITIONS FOR EYEWEAR GLASSES | |
JPS51112356A (en) | Frame for eyeglasses | |
JPS5226238A (en) | Chemically reinforced glass lens for spectacles | |
JPS5215510A (en) | Optical glass | |
GB1539232A (en) | Glass compositions for ophthalmic lenses | |
GB2045230B (en) | High index opthalmic glasses | |
JPS5268217A (en) | Optical phosphate glass | |
JPS5269917A (en) | Sealing glass for glass laser | |
JPS53109514A (en) | Glass for spectacle lens | |
JPS5284211A (en) | Optical glass | |
JPS5263211A (en) | Optical glass | |
JPS5263920A (en) | Optical glass | |
GB1539231A (en) | Glass compositions for ophthalmic lenses | |
AU497376B2 (en) | Process for melting glass | |
JPS522448A (en) | Lens for spectacles | |
JPS5372027A (en) | Hazeeproof glass for spectacle | |
JPS51128190A (en) | Ophthalmic optical device | |
JPS5245616A (en) | Process for tempering high refractive indexed glass | |
JPS5211210A (en) | Glass for eyeglass | |
JPS51130414A (en) | Glass for eyeglasses | |
JPS526718A (en) | Optical glass | |
JPS5224544A (en) | Goggles lens |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |