BE504394A - - Google Patents
Info
- Publication number
- BE504394A BE504394A BE504394DA BE504394A BE 504394 A BE504394 A BE 504394A BE 504394D A BE504394D A BE 504394DA BE 504394 A BE504394 A BE 504394A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
- C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
- C09K11/74—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing arsenic, antimony or bismuth
- C09K11/7407—Chalcogenides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1039094X | 1950-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504394A true BE504394A (https=) |
Family
ID=7716210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504394D BE504394A (https=) | 1950-07-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE504394A (https=) |
| FR (1) | FR1039094A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1060991B (de) * | 1957-02-15 | 1959-07-09 | Patra Patent Treuhand | Einrichtung zur Verhinderung stoerender Schwaerzungen an Leuchtstofflampen |
-
0
- BE BE504394D patent/BE504394A/xx unknown
-
1951
- 1951-06-27 FR FR1039094D patent/FR1039094A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1060991B (de) * | 1957-02-15 | 1959-07-09 | Patra Patent Treuhand | Einrichtung zur Verhinderung stoerender Schwaerzungen an Leuchtstofflampen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1039094A (fr) | 1953-10-05 |