GB639335A - Improvements in and relating to optical glass - Google Patents
Improvements in and relating to optical glassInfo
- Publication number
- GB639335A GB639335A GB26175/47A GB2617547A GB639335A GB 639335 A GB639335 A GB 639335A GB 26175/47 A GB26175/47 A GB 26175/47A GB 2617547 A GB2617547 A GB 2617547A GB 639335 A GB639335 A GB 639335A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxides
- sept
- weight
- relating
- per cent
- 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
- 239000005304 optical glass Substances 0.000 title 1
- 239000011521 glass Substances 0.000 abstract 2
- 229910052788 barium Inorganic materials 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
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
-
- 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/15—Silica-free oxide glass compositions containing boron containing rare earths
- C03C3/155—Silica-free oxide glass compositions containing boron containing rare earths containing zirconium, titanium, tantalum or niobium
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US639335XA | 1946-09-28 | 1946-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB639335A true GB639335A (en) | 1950-06-28 |
Family
ID=22052449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26175/47A Expired GB639335A (en) | 1946-09-28 | 1947-09-26 | Improvements in and relating to optical glass |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE476293A (enrdf_load_stackoverflow) |
| FR (1) | FR951839A (enrdf_load_stackoverflow) |
| GB (1) | GB639335A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1008455B (de) * | 1951-02-26 | 1957-05-16 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Glaeser |
| DE957338C (de) * | 1952-05-10 | 1957-03-07 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Glaeser |
-
0
- BE BE476293D patent/BE476293A/xx unknown
-
1947
- 1947-08-08 FR FR951839D patent/FR951839A/fr not_active Expired
- 1947-09-26 GB GB26175/47A patent/GB639335A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR951839A (fr) | 1949-11-04 |
| BE476293A (enrdf_load_stackoverflow) |
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