BE332675A - - Google Patents
Info
- Publication number
- BE332675A BE332675A BE332675DA BE332675A BE 332675 A BE332675 A BE 332675A BE 332675D A BE332675D A BE 332675DA BE 332675 A BE332675 A BE 332675A
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
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)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US249540XA | 1925-03-19 | 1925-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE332675A true BE332675A (d) |
Family
ID=21823233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE332675D BE332675A (d) | 1925-03-19 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE332675A (d) |
| FR (1) | FR612820A (d) |
| GB (1) | GB249540A (d) |
-
0
- BE BE332675D patent/BE332675A/xx unknown
-
1926
- 1926-03-16 FR FR612820D patent/FR612820A/fr not_active Expired
- 1926-03-18 GB GB7513/26A patent/GB249540A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR612820A (fr) | 1926-11-02 |
| GB249540A (en) | 1926-07-15 |