NL14371C - - Google Patents
Info
- Publication number
- NL14371C NL14371C NL20001A NL20001A NL14371C NL 14371 C NL14371 C NL 14371C NL 20001 A NL20001 A NL 20001A NL 20001 A NL20001 A NL 20001A NL 14371 C NL14371 C NL 14371C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/36—Obtaining tungsten
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G21/00—Compounds of lead
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL20001A NL14371C (xx) | 1921-07-29 | 1921-07-29 | |
| GB19430/22A GB183816A (en) | 1921-07-29 | 1922-07-14 | Improvements in and relating to the manufacture of tungsten powder |
| FR554062D FR554062A (fr) | 1921-07-29 | 1922-07-18 | Procédé pour la préparation de la poudre de tungstène |
| DEN21301D DE379317C (de) | 1921-07-29 | 1922-07-19 | Verfahren zur Herstellung von Wolframpulver |
| US576388A US1552122A (en) | 1921-07-29 | 1922-07-20 | Manufacture of tungsten powder |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL20001A NL14371C (xx) | 1921-07-29 | 1921-07-29 | |
| US576388A US1552122A (en) | 1921-07-29 | 1922-07-20 | Manufacture of tungsten powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL14371C true NL14371C (xx) | 1926-03-15 |
Family
ID=37889986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL20001A NL14371C (xx) | 1921-07-29 | 1921-07-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1552122A (xx) |
| DE (1) | DE379317C (xx) |
| FR (1) | FR554062A (xx) |
| GB (1) | GB183816A (xx) |
| NL (1) | NL14371C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2752665A (en) * | 1950-04-21 | 1956-07-03 | Baker & Co Inc | Grain stabilized metals and alloys |
| US2829962A (en) * | 1955-03-22 | 1958-04-08 | Lester D Supiro | Method of producing tungsten sponge or powder of high purity |
-
1921
- 1921-07-29 NL NL20001A patent/NL14371C/xx active
-
1922
- 1922-07-14 GB GB19430/22A patent/GB183816A/en not_active Expired
- 1922-07-18 FR FR554062D patent/FR554062A/fr not_active Expired
- 1922-07-19 DE DEN21301D patent/DE379317C/de not_active Expired
- 1922-07-20 US US576388A patent/US1552122A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB183816A (en) | 1923-09-20 |
| US1552122A (en) | 1925-09-01 |
| DE379317C (de) | 1923-08-21 |
| FR554062A (fr) | 1923-06-05 |