JPS5324202B2 - - Google Patents
Info
- Publication number
- JPS5324202B2 JPS5324202B2 JP7412975A JP7412975A JPS5324202B2 JP S5324202 B2 JPS5324202 B2 JP S5324202B2 JP 7412975 A JP7412975 A JP 7412975A JP 7412975 A JP7412975 A JP 7412975A JP S5324202 B2 JPS5324202 B2 JP S5324202B2
- 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
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
- C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7412975A JPS5211210A (en) | 1975-06-18 | 1975-06-18 | Glass for eyeglass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7412975A JPS5211210A (en) | 1975-06-18 | 1975-06-18 | Glass for eyeglass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5211210A JPS5211210A (en) | 1977-01-28 |
| JPS5324202B2 true JPS5324202B2 (enExample) | 1978-07-19 |
Family
ID=13538261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7412975A Granted JPS5211210A (en) | 1975-06-18 | 1975-06-18 | Glass for eyeglass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5211210A (enExample) |
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 |
| DE3026605C2 (de) * | 1980-07-14 | 1983-07-07 | Schott Glaswerke, 6500 Mainz | Säurefestes, hydrolytisch beständiges optisches und ophthalmisches Borosilikat-Glas geringer Dichte |
| DE3201943C2 (de) * | 1982-01-22 | 1986-05-22 | Schott Glaswerke, 6500 Mainz | Optisches Glas im System SiO↓2↓-B↓2↓O↓3↓-CaO-La↓2↓O↓3↓ mit Brechwerten von 1,60 - 1,69 und Abbezahlen ≥ 54 mit besonders geringer Dichte und besonders guter chemischer Beständigkeit |
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1975
- 1975-06-18 JP JP7412975A patent/JPS5211210A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5211210A (en) | 1977-01-28 |