BE552868A - - Google Patents
Info
- Publication number
- BE552868A BE552868A BE552868DA BE552868A BE 552868 A BE552868 A BE 552868A BE 552868D A BE552868D A BE 552868DA BE 552868 A BE552868 A BE 552868A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P33/00—Preparation of steroids
- C12P33/12—Acting on D ring
- C12P33/16—Acting at 17 position
- C12P33/18—Hydroxylating at 17 position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL343990X | 1955-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552868A true BE552868A (en) |
Family
ID=19784809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552868D BE552868A (en) | 1955-11-24 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE552868A (en) |
| CH (1) | CH343990A (en) |
| DE (1) | DE1015950B (en) |
| FR (1) | FR1165545A (en) |
| GB (1) | GB808539A (en) |
| NL (2) | NL202321A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225910A (en) * | 1961-02-04 | 1965-12-28 | Porta Paolo Della | Getter devices with non-evaporated gettering material, for maintaining vacuum in electronic tubes |
| US3564326A (en) * | 1967-06-15 | 1971-02-16 | Tokyo Shibaura Electric Co | Image pickup tube |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2916648A (en) * | 1957-12-05 | 1959-12-08 | Sylvania Electric Prod | Electron tube |
| DK93858C (en) * | 1959-03-05 | 1962-07-09 | Philips Nv | Getterholder. |
| US3439210A (en) * | 1966-01-03 | 1969-04-15 | Hughes Aircraft Co | Thermionic emission cathode having reduced frontal area and enlarged emission area for ion bombardment environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE707069C (en) * | 1935-11-23 | 1941-06-12 | Siemens & Halske Akt Ges | Discharge vessel with metallic wall |
-
0
- BE BE552868D patent/BE552868A/xx unknown
- NL NL103749D patent/NL103749C/xx active
- NL NL202321D patent/NL202321A/xx unknown
-
1956
- 1956-11-20 DE DEN12976A patent/DE1015950B/en active Pending
- 1956-11-21 GB GB35609/56A patent/GB808539A/en not_active Expired
- 1956-11-22 FR FR1165545D patent/FR1165545A/en not_active Expired
- 1956-11-22 CH CH343990D patent/CH343990A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225910A (en) * | 1961-02-04 | 1965-12-28 | Porta Paolo Della | Getter devices with non-evaporated gettering material, for maintaining vacuum in electronic tubes |
| US3564326A (en) * | 1967-06-15 | 1971-02-16 | Tokyo Shibaura Electric Co | Image pickup tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CH343990A (en) | 1960-01-15 |
| DE1015950B (en) | 1957-09-19 |
| FR1165545A (en) | 1958-10-27 |
| NL103749C (en) | |
| GB808539A (en) | 1959-02-04 |
| NL202321A (en) |