GB732439A - Improvements in and relating to electron emissive compositions - Google Patents
Improvements in and relating to electron emissive compositionsInfo
- Publication number
- GB732439A GB732439A GB584/52A GB58452A GB732439A GB 732439 A GB732439 A GB 732439A GB 584/52 A GB584/52 A GB 584/52A GB 58452 A GB58452 A GB 58452A GB 732439 A GB732439 A GB 732439A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- binder
- thermo
- alkaline
- added
- 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
- 239000000203 mixture Substances 0.000 title 1
- 239000011230 binding agent Substances 0.000 abstract 3
- 239000011347 resin Substances 0.000 abstract 3
- 229920005989 resin Polymers 0.000 abstract 3
- 239000000020 Nitrocellulose Substances 0.000 abstract 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 abstract 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 abstract 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 2
- 229920001220 nitrocellulos Polymers 0.000 abstract 2
- 229940079938 nitrocellulose Drugs 0.000 abstract 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 239000001856 Ethyl cellulose Substances 0.000 abstract 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 229940072049 amyl acetate Drugs 0.000 abstract 1
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 239000008199 coating composition Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007859 condensation product Substances 0.000 abstract 1
- 229920001249 ethyl cellulose Polymers 0.000 abstract 1
- 235000019325 ethyl cellulose Nutrition 0.000 abstract 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 1
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US205727A US2683837A (en) | 1951-01-12 | 1951-01-12 | Electron emissive composition and method of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB732439A true GB732439A (en) | 1955-06-22 |
Family
ID=22763387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB584/52A Expired GB732439A (en) | 1951-01-12 | 1952-01-08 | Improvements in and relating to electron emissive compositions |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2683837A (enrdf_load_stackoverflow) |
| DE (1) | DE926381C (enrdf_load_stackoverflow) |
| GB (1) | GB732439A (enrdf_load_stackoverflow) |
| NL (1) | NL81188C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749467A (en) * | 1971-03-15 | 1973-07-31 | Duro Test Corp | Fluorescent lamps and method of manufacturing the same |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975015A (en) * | 1958-07-17 | 1961-03-14 | Internat Telephone & Telegraph | Image converter and method and apparatus for producing the same |
| FR1326443A (fr) * | 1962-03-22 | 1963-05-10 | Lampes Elect Fab Reunies | Procédé et appareil pour remplir une enveloppe de gaz inerte et de vapeur active à une pression relativement élevée par simple introduction sans pompage |
| US3211511A (en) * | 1963-01-30 | 1965-10-12 | Gen Electric | Electric lamp manufacture |
| US3413054A (en) * | 1966-12-30 | 1968-11-26 | Sylvania Electric Prod | Method of fabricating an incandescent lamp and its construction |
| US3978563A (en) * | 1973-12-04 | 1976-09-07 | U.S. Philips Corporation | Method of manufacturing an electric discharge tube having an oxide cathode |
| US4836816A (en) * | 1988-05-06 | 1989-06-06 | Gte Products Corporation | Method of treating tungsten cathodes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1691446A (en) * | 1925-03-28 | 1928-11-13 | Westinghouse Lamp Co | Electron-discharge device with oxide-coated filament |
| US1795918A (en) * | 1926-09-11 | 1931-03-10 | John Stogdell Stokes | Process for reducing the viscosity of nitrocellulose solutions |
| US2310866A (en) * | 1941-02-25 | 1943-02-09 | Du Pont | Luminescent tube |
| US2363028A (en) * | 1941-12-16 | 1944-11-21 | Carl J Warnke | Cathode filament |
-
0
- NL NL81188D patent/NL81188C/xx active
-
1951
- 1951-01-12 US US205727A patent/US2683837A/en not_active Expired - Lifetime
-
1952
- 1952-01-08 GB GB584/52A patent/GB732439A/en not_active Expired
- 1952-01-11 DE DEI5408A patent/DE926381C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749467A (en) * | 1971-03-15 | 1973-07-31 | Duro Test Corp | Fluorescent lamps and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| NL81188C (enrdf_load_stackoverflow) | |
| US2683837A (en) | 1954-07-13 |
| DE926381C (de) | 1955-04-14 |
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