JPS5337887B2 - - Google Patents
Info
- Publication number
- JPS5337887B2 JPS5337887B2 JP11295472A JP11295472A JPS5337887B2 JP S5337887 B2 JPS5337887 B2 JP S5337887B2 JP 11295472 A JP11295472 A JP 11295472A JP 11295472 A JP11295472 A JP 11295472A JP S5337887 B2 JPS5337887 B2 JP S5337887B2
- 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
- C03C3/062—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
- C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
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)
- Glass Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11295472A JPS5337887B2 (en) | 1972-11-13 | 1972-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11295472A JPS5337887B2 (en) | 1972-11-13 | 1972-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4972310A JPS4972310A (en) | 1974-07-12 |
| JPS5337887B2 true JPS5337887B2 (en) | 1978-10-12 |
Family
ID=14599675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11295472A Expired JPS5337887B2 (en) | 1972-11-13 | 1972-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5337887B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124012A (en) * | 1976-04-12 | 1977-10-18 | Minolta Camera Kk | Optical glass |
| JPS60122745A (en) * | 1983-12-07 | 1985-07-01 | Hoya Corp | Optical glass |
| JPS60122746A (en) * | 1983-12-07 | 1985-07-01 | Hoya Corp | Optical glass |
| FR2590888A1 (en) * | 1985-11-29 | 1987-06-05 | Corning Glass Works | LOW-DENSITY, HIGH-REFRACTIVE LOW-DISPERSION OPHTHALMIC LENSES |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4888106A (en) * | 1972-02-25 | 1973-11-19 |
-
1972
- 1972-11-13 JP JP11295472A patent/JPS5337887B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4888106A (en) * | 1972-02-25 | 1973-11-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4972310A (en) | 1974-07-12 |