DE303770C - - Google Patents
Info
- Publication number
- DE303770C DE303770C DE1915303770D DE303770DA DE303770C DE 303770 C DE303770 C DE 303770C DE 1915303770 D DE1915303770 D DE 1915303770D DE 303770D A DE303770D A DE 303770DA DE 303770 C DE303770 C DE 303770C
- Authority
- DE
- Germany
- Prior art keywords
- barium
- desiccants
- lamps
- decomposition
- incandescent lamp
- 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.)
- Expired
Links
- 239000002274 desiccant Substances 0.000 claims description 12
- UUXFWHMUNNXFHD-UHFFFAOYSA-N barium azide Chemical compound [Ba+2].[N-]=[N+]=[N-].[N-]=[N+]=[N-] UUXFWHMUNNXFHD-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000002144 chemical decomposition reaction Methods 0.000 claims description 3
- 150000002736 metal compounds Chemical class 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 150000001540 azides Chemical class 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 6
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 6
- 229910052788 barium Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001553 barium compounds Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- JUINSXZKUKVTMD-UHFFFAOYSA-N hydrogen azide Chemical class N=[N+]=[N-] JUINSXZKUKVTMD-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE303770T | 1915-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE303770C true DE303770C (enrdf_load_stackoverflow) | 1918-02-06 |
Family
ID=32739652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1915303770D Expired DE303770C (enrdf_load_stackoverflow) | 1915-05-05 | 1915-05-05 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE303770C (enrdf_load_stackoverflow) |
| FR (1) | FR512567A (enrdf_load_stackoverflow) |
| GB (1) | GB100387A (enrdf_load_stackoverflow) |
| NL (1) | NL4052C (enrdf_load_stackoverflow) |
-
1915
- 1915-05-05 DE DE1915303770D patent/DE303770C/de not_active Expired
-
1916
- 1916-02-02 NL NL6613A patent/NL4052C/xx active
- 1916-02-10 FR FR512567D patent/FR512567A/fr not_active Expired
- 1916-02-23 GB GB270416A patent/GB100387A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB100387A (enrdf_load_stackoverflow) | 1916-10-12 |
| NL4052C (enrdf_load_stackoverflow) | 1919-11-15 |
| FR512567A (fr) | 1921-01-26 |
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