DE1771892B1 - Farblose kristallisationsstabile sio und alkalioxidfreie optische calcium aluminatglaeser - Google Patents
Farblose kristallisationsstabile sio und alkalioxidfreie optische calcium aluminatglaeserInfo
- Publication number
- DE1771892B1 DE1771892B1 DE19681771892 DE1771892A DE1771892B1 DE 1771892 B1 DE1771892 B1 DE 1771892B1 DE 19681771892 DE19681771892 DE 19681771892 DE 1771892 A DE1771892 A DE 1771892A DE 1771892 B1 DE1771892 B1 DE 1771892B1
- Authority
- DE
- Germany
- Prior art keywords
- glasses
- percent
- weight
- calcium aluminate
- alkaline
- 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.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 title claims description 30
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 title claims description 4
- 230000003287 optical effect Effects 0.000 title claims 2
- 238000002425 crystallisation Methods 0.000 title description 3
- 230000008025 crystallization Effects 0.000 title description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 229910005793 GeO 2 Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006025 fining agent Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/125—Silica-free oxide glass compositions containing aluminium as glass former
-
- 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
- C03C3/253—Silica-free oxide glass compositions containing germanium
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681771892 DE1771892B1 (de) | 1968-07-25 | 1968-07-25 | Farblose kristallisationsstabile sio und alkalioxidfreie optische calcium aluminatglaeser |
| GB1226279D GB1226279A (enrdf_load_stackoverflow) | 1968-07-25 | 1969-07-21 | |
| FR6925342A FR2013696A1 (enrdf_load_stackoverflow) | 1968-07-25 | 1969-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681771892 DE1771892B1 (de) | 1968-07-25 | 1968-07-25 | Farblose kristallisationsstabile sio und alkalioxidfreie optische calcium aluminatglaeser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1771892B1 true DE1771892B1 (de) | 1971-12-23 |
Family
ID=5701027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681771892 Withdrawn DE1771892B1 (de) | 1968-07-25 | 1968-07-25 | Farblose kristallisationsstabile sio und alkalioxidfreie optische calcium aluminatglaeser |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1771892B1 (enrdf_load_stackoverflow) |
| FR (1) | FR2013696A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1226279A (enrdf_load_stackoverflow) |
-
1968
- 1968-07-25 DE DE19681771892 patent/DE1771892B1/de not_active Withdrawn
-
1969
- 1969-07-21 GB GB1226279D patent/GB1226279A/en not_active Expired
- 1969-07-24 FR FR6925342A patent/FR2013696A1/fr not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1226279A (enrdf_load_stackoverflow) | 1971-03-24 |
| FR2013696A1 (enrdf_load_stackoverflow) | 1970-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SCHOTT GLASWERKE, 6500 MAINZ, DE |
|
| 8339 | Ceased/non-payment of the annual fee |