BE496413A - - Google Patents
Info
- Publication number
- BE496413A BE496413A BE496413DA BE496413A BE 496413 A BE496413 A BE 496413A BE 496413D A BE496413D A BE 496413DA BE 496413 A BE496413 A BE 496413A
- 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
-
- 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
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
- C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
- Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70
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 |
|---|---|---|---|
| US116221A US2528634A (en) | 1949-09-16 | 1949-09-16 | Ophthalmic glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496413A true BE496413A (xx) | 1950-10-16 |
Family
ID=22365952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496413D BE496413A (xx) | 1949-09-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2528634A (xx) |
| BE (1) | BE496413A (xx) |
| DE (1) | DE819891C (xx) |
| FR (1) | FR1019496A (xx) |
| GB (1) | GB669259A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736714A (en) * | 1952-01-04 | 1956-02-28 | Owens Corning Fiberglass Corp | Lead glass composition |
| DE3317778A1 (de) * | 1982-05-17 | 1983-11-17 | Galileo Electro-Optics Corp., Sturbridge, Mass. | Glas |
| DE3404363A1 (de) * | 1984-02-08 | 1985-08-14 | Schott Glaswerke, 6500 Mainz | Hoch pbo-haltige glaeser im system sio(pfeil abwaerts)2(pfeil abwaerts)pbo-m(pfeil abwaerts)2(pfeil abwaerts)o mit erhoehter chemischer bestaendigkeit |
-
0
- BE BE496413D patent/BE496413A/xx unknown
-
1949
- 1949-09-16 US US116221A patent/US2528634A/en not_active Expired - Lifetime
-
1950
- 1950-06-05 FR FR1019496D patent/FR1019496A/fr not_active Expired
- 1950-06-10 DE DEC1215A patent/DE819891C/de not_active Expired
- 1950-08-21 GB GB20684/50A patent/GB669259A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2528634A (en) | 1950-11-07 |
| DE819891C (de) | 1951-11-05 |
| FR1019496A (fr) | 1953-01-22 |
| GB669259A (en) | 1952-04-02 |