AT404308T
Process of producing low oxygen refractory metal powder for powder metallurgy
Abstract
Preparation forming method of Ta/Nb sintered metal product, comprising for oxygen content is more than target layer to 300ppm Tower and/or Nb hydride powder, the situation in a high is provided with a a metal of the hydrophilic wherein the metal hydride, removing the metal other and one reaction by-product to produce the oxygen content is lower than the target layer the metal powder the oxygen content according and a is lower than the target layer of the lower and Ta/Nb powder is made of the product.
Term
Term ended
Expired 18 August 2020, 6.1 years ago.
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40 members in 18 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 37707799 | United States of America | A |
Members40
| Document | Office | Kind | |
|---|---|---|---|
| CA2346957A1 | Canada | A1 | |
| WO0112364A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU7063600A | Australia | A | |
| BR0007018A | Brazil | A | |
| US6261337B1 | United States of America | B1 | |
| EA200100441A1 | Eurasian Patent Organization (EAPO) | A1 | |
| KR20010099702A | Republic of Korea | A | |
| CN1322157A | China | A | |
| CZ20011740A3 | Czechia | A3 | |
| US2002041819A1 | United States of America | A1 | |
| EP1200218A1 | European Patent Office (EPO) | A1 | |
| HK1040501A1 | Hong Kong, China | A1 | |
| EA002736B1 | Eurasian Patent Organization (EAPO) | B1 | |
| US6521173B2 | United States of America | B2 | |
| US2003056619A1 | United States of America | A1 | |
| AU766574B2 | Australia | B2 | |
| KR20030087087A | Republic of Korea | A | |
| EP1200218A4 | European Patent Office (EPO) | A4 | |
| KR100431095B1 | Republic of Korea | B1 | |
| KR100436108B1 | Republic of Korea | B1 | |
| EP1541261A1 | European Patent Office (EPO) | A1 | |
| EP1200218B1 | European Patent Office (EPO) | B1 | |
| AT300377T | Austria | T | |
| ATE300377T1 | Austria | T1 | |
| DE60021579D1 | Germany | D1 | |
| PT1200218E | Portugal | E | |
| DE60021579T2 | Germany | T2 | |
| CN1272125C | China | C | |
| IL142601A | Israel | A | |
| HK1040501B | Hong Kong, China | B | |
| EP1541261B1 | European Patent Office (EPO) | B1 | |
| AT404308TThis record | Austria | T | |
| ATE404308T1 | Austria | T1 | |
| DE60039923D1 | Germany | D1 | |
| PT1541261E | Portugal | E | |
| EP1995005A1 | European Patent Office (EPO) | A1 | |
| DK1541261T3 | Denmark | T3 | |
| ES2313136T3 | Spain | T3 | |
| CY1108564T1 | Cyprus | T1 | |
| EP1995005B1 | European Patent Office (EPO) | B1 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 5005428
Titles2
- German
- HERSTELLUNGSVERFAHREN FÜR FEUERFESTPULVER MIT NIEDRIGEN SAUERSTOFFGEHALT ZUR VERWENDUNG IN DER PULVERMETALLURGIE
- English
- METHOD OF MANUFACTURING LOW-OXYGEN FUEL POWDER, FOR USE IN POWDER METALLURGY
Classification
- CPC, 14
- H01G9/042
- B22F9/30
- B22F3/162
- B22F9/023
- B22F2003/208
- B22F2998/00
- B22F2998/10
- B22F2999/00
- C22B9/14
- C22B34/24
- C22C1/045
- C22C32/0031
- H01G9/0525
- B22F1/145
- IPC, 11
- B22F1 145
- B22F3 16
- B22F9 02
- B22F9 20
- B22F9 22
- C22B9 14
- C22B34 24
- C22C1 04
- C22C32 00
- H01G9 042
- H01G9 052