BE481433A - - Google Patents
Info
- Publication number
- BE481433A BE481433A BE481433DA BE481433A BE 481433 A BE481433 A BE 481433A BE 481433D A BE481433D A BE 481433DA BE 481433 A BE481433 A BE 481433A
- 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
- C03C3/07—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
-
- 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
-
- 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
- C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
-
- 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 |
|---|---|---|---|
| US737342A US2511228A (en) | 1947-03-26 | 1947-03-26 | Lead borate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481433A true BE481433A (ja) |
Family
ID=24963520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481433D BE481433A (ja) | 1947-03-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2511228A (ja) |
| BE (1) | BE481433A (ja) |
| FR (1) | FR983995A (ja) |
| GB (1) | GB651529A (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693423A (en) * | 1950-03-23 | 1954-11-02 | Vitreous Res Corp | Glass compositions |
| US2771548A (en) * | 1952-07-08 | 1956-11-20 | Polytechnic Res & Dev Co Inc | Receiver tunable over v. h. f. and u. h. f. television bands |
| DE1067191B (ja) * | 1958-09-20 | 1959-10-15 | ||
| GB1121000A (en) * | 1965-09-13 | 1968-07-24 | Pilkington Brothers Ltd | Improvements in or relating to optical glass |
| JPS508446B1 (ja) * | 1969-05-24 | 1975-04-04 | ||
| DE2262364C3 (de) * | 1971-12-20 | 1981-02-26 | Hoya Glass Works, Ltd., Tokio | Säurefestes optisches Glas des Systems B2 O3 -PbO-Al 2 O3 mit Anomalie der Teildispersion im IR-Bereich von 6263 bis 768,2 mn, Berechungsindices nd von 134 bis 1,71 und Abbezahlen vd von 55 bis 30 |
| DE2223564A1 (de) * | 1972-05-15 | 1973-11-29 | Leitz Ernst Gmbh | Optisches boratglas guter chemischer bestaendigkeit mit negativer anomaler teildispersion und brechzahlen n tief e zwischen 1,65 und 1,79 und abbe-zahlen ny tief e zwischen 40 und 30 sowie ein verfahren zu seiner herstellung |
| US4696909A (en) * | 1986-04-07 | 1987-09-29 | Owens-Illinois Television Products Inc. | Platinum corrosion reducing premelted oxide compositions for lead containing solder glasses |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE596513C (de) * | 1930-11-05 | 1934-05-03 | Jenaer Glaswerk Schott & Gen | Optisches Glas mit einer Brechungszahl ueber 1,60 |
| US2294373A (en) * | 1939-06-17 | 1942-09-01 | George W Batchell | Method of forming batch bodies |
| GB579832A (en) * | 1943-11-11 | 1946-08-16 | Chance Brothers Ltd | Improvements relating to optical glasses |
-
0
- BE BE481433D patent/BE481433A/xx unknown
-
1947
- 1947-03-26 US US737342A patent/US2511228A/en not_active Expired - Lifetime
-
1948
- 1948-03-25 GB GB8877/48A patent/GB651529A/en not_active Expired
- 1948-03-25 FR FR983995D patent/FR983995A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2511228A (en) | 1950-06-13 |
| FR983995A (fr) | 1951-06-29 |
| GB651529A (en) | 1951-04-04 |