BE448072A - - Google Patents
Info
- Publication number
- BE448072A BE448072A BE448072DA BE448072A BE 448072 A BE448072 A BE 448072A BE 448072D A BE448072D A BE 448072DA BE 448072 A BE448072 A BE 448072A
- Authority
- BE
- Belgium
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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE889098X | 1939-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE448072A true BE448072A (it) |
Family
ID=6834404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE448072D BE448072A (it) | 1939-12-11 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE448072A (it) |
| FR (1) | FR889098A (it) |
| NL (1) | NL55355C (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB613718A (en) * | 1945-09-04 | 1948-12-02 | Corning Glass Works | Improved manufacture of optical glass |
| US2490331A (en) * | 1945-11-09 | 1949-12-06 | Corning Glass Works | Optical glass |
| US2517459A (en) * | 1946-05-27 | 1950-08-01 | Corning Glass Works | Optical glass |
| US2523265A (en) * | 1947-11-28 | 1950-09-26 | Corning Glass Works | Ophthalmic glass |
| US3477863A (en) * | 1964-09-18 | 1969-11-11 | Leitz Ernst Gmbh | Heavy flint glasses |
| DE1496549B2 (de) * | 1965-09-04 | 1970-11-05 | Jenaer Glaswerk Schott & Gen, 6500 Mainz | Hochbrechende, kristallisation stabile, farbarme, verschmelzbare optische Gläser mit einem mittleren Ausdehnungskoeffizienten alpha.10 hoch 7 (25 bis 400 Grad C) von 84 bis 95 |
| US3503764A (en) * | 1967-01-20 | 1970-03-31 | Bendix Corp | Core glass for fiber-optic structures having high index of refraction |
| US4066464A (en) * | 1972-10-02 | 1978-01-03 | Jenaer Glaswerk Schott & Gen. | Optical glasses with improved varying partial dispersion in the optical positional range of lanthanum crown glasses and lanthanum flint glasses |
| DD141973A3 (de) * | 1977-07-19 | 1980-06-04 | Eckhart Watzke | Optisches glas |
| DD143072A1 (de) * | 1979-04-26 | 1980-07-30 | Eckhart Watzke | Optisches glas |
-
0
- BE BE448072D patent/BE448072A/xx unknown
- NL NL55355D patent/NL55355C/xx active
-
1942
- 1942-12-15 FR FR889098D patent/FR889098A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL55355C (it) | |
| FR889098A (fr) | 1943-12-30 |