BE468476A - - Google Patents
Info
- Publication number
- BE468476A BE468476A BE468476DA BE468476A BE 468476 A BE468476 A BE 468476A BE 468476D A BE468476D A BE 468476DA BE 468476 A BE468476 A BE 468476A
- 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
- C03C3/12—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
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- 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
-
- 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
- Y10S501/906—Thorium oxide containing
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 |
|---|---|---|---|
| US609023A US2434147A (en) | 1945-08-04 | 1945-08-04 | Optical glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE468476A true BE468476A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=24439041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468476D BE468476A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1945-08-04 |
Country Status (3)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1011595B (de) * | 1951-02-26 | 1957-07-04 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Boratglaeser |
| DE957339C (de) * | 1951-02-26 | 1957-01-31 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Glaeser |
| DE957338C (de) * | 1952-05-10 | 1957-03-07 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Glaeser |
| US2805166A (en) * | 1954-01-18 | 1957-09-03 | Loffler Johannes | Glasses containing oxides of rare earth metals |
| DE1259027B (de) * | 1964-09-23 | 1968-01-18 | Leitz Ernst Gmbh | Glas, insbesondere als Werkstoff fuer optische Elemente |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE468457A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1939-07-12 |
-
0
- BE BE468476D patent/BE468476A/xx unknown
-
1945
- 1945-08-04 US US609023A patent/US2434147A/en not_active Expired - Lifetime
-
1946
- 1946-08-05 CH CH255914D patent/CH255914A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH255914A (de) | 1948-07-31 |
| US2434147A (en) | 1948-01-06 |