DE235216C - - Google Patents
Info
- Publication number
- DE235216C DE235216C DENDAT235216D DE235216DA DE235216C DE 235216 C DE235216 C DE 235216C DE NDAT235216 D DENDAT235216 D DE NDAT235216D DE 235216D A DE235216D A DE 235216DA DE 235216 C DE235216 C DE 235216C
- Authority
- DE
- Germany
- Prior art keywords
- carbonized
- boron
- thread
- starting material
- free
- 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.)
- Active
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 229910017464 nitrogen compound Inorganic materials 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE235216C true DE235216C (enrdf_load_html_response) |
Family
ID=495013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT235216D Active DE235216C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE235216C (enrdf_load_html_response) |
-
0
- DE DENDAT235216D patent/DE235216C/de active Active
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