WO2006027119A3 - Deoxidisation of valve metal powders - Google Patents
Deoxidisation of valve metal powders Download PDFInfo
- Publication number
- WO2006027119A3 WO2006027119A3 PCT/EP2005/009230 EP2005009230W WO2006027119A3 WO 2006027119 A3 WO2006027119 A3 WO 2006027119A3 EP 2005009230 W EP2005009230 W EP 2005009230W WO 2006027119 A3 WO2006027119 A3 WO 2006027119A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve metal
- deoxidisation
- metal powders
- powders
- relates
- Prior art date
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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- 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
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/574,675 US20080011124A1 (en) | 2004-09-08 | 2002-08-26 | Deoxidation of Valve Metal Powders |
EP05782917A EP1793950A2 (en) | 2004-09-08 | 2005-08-26 | Deoxidisation of valve metal powders |
JP2007530614A JP2008512568A (en) | 2004-09-08 | 2005-08-26 | Deoxygenation of valve metal powder |
MX2007002717A MX2007002717A (en) | 2004-09-08 | 2005-08-26 | Deoxidisation of valve metal powders. |
BRPI0515172-4A BRPI0515172A (en) | 2004-09-08 | 2005-08-26 | valve metal powder deoxidation |
AU2005281918A AU2005281918A1 (en) | 2004-09-08 | 2005-08-26 | Deoxidisation of valve metal powders |
IL181782A IL181782A0 (en) | 2004-09-08 | 2007-03-07 | Deoxidisation of valve metal powders |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004043343A DE102004043343A1 (en) | 2004-09-08 | 2004-09-08 | Deoxidation of valve metal powders |
DE102004043343.7 | 2004-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006027119A2 WO2006027119A2 (en) | 2006-03-16 |
WO2006027119A3 true WO2006027119A3 (en) | 2006-06-15 |
Family
ID=35445804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/009230 WO2006027119A2 (en) | 2004-09-08 | 2005-08-26 | Deoxidisation of valve metal powders |
Country Status (15)
Country | Link |
---|---|
US (1) | US20080011124A1 (en) |
EP (1) | EP1793950A2 (en) |
JP (1) | JP2008512568A (en) |
KR (1) | KR20070098988A (en) |
CN (1) | CN101052488A (en) |
AU (1) | AU2005281918A1 (en) |
BR (1) | BRPI0515172A (en) |
DE (1) | DE102004043343A1 (en) |
IL (1) | IL181782A0 (en) |
MX (1) | MX2007002717A (en) |
RU (2) | RU2404881C2 (en) |
SV (1) | SV2006002222A (en) |
TW (1) | TW200624200A (en) |
WO (1) | WO2006027119A2 (en) |
ZA (1) | ZA200701902B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101574741B (en) * | 2009-06-25 | 2011-05-18 | 宁夏东方钽业股份有限公司 | Preparation method of tantalum powder for capacitor |
JP2017512897A (en) | 2014-02-27 | 2017-05-25 | ニンシア オリエント タンタル インダストリー カンパニー、 リミテッド | High purity tantalum powder and preparation method thereof |
FR3038623B1 (en) * | 2015-07-10 | 2017-06-30 | Fives | PROCESS FOR REMOVING OXIDES PRESENT AT THE SURFACE OF NODULES OF A METAL POWDER BEFORE USING THE SAME IN AN INDUSTRIAL PROCESS |
CN107236868B (en) | 2017-05-23 | 2019-02-26 | 东北大学 | A kind of method of multistage drastic reduction preparation high-melting metal powder |
CN112828279B (en) * | 2020-12-31 | 2022-08-12 | 昆明理工大学 | Metal powder gas phase deoxidation method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991013182A1 (en) * | 1990-02-22 | 1991-09-05 | Rmi Titanium Company | Deoxidation of a refractory metal |
US20030110890A1 (en) * | 2001-09-29 | 2003-06-19 | Jilin He | Process for the production of high surface area tantalum and/or niobium powders |
US20030217619A1 (en) * | 2002-05-21 | 2003-11-27 | H.C. Starck, Inc. | Tantalum-silicon and niobium-silicon substrates for capacitor anodes |
US20030230167A1 (en) * | 2002-03-12 | 2003-12-18 | Josua Loeffelholz | Valve metal powders and process for producing them |
US20040028922A1 (en) * | 2000-06-21 | 2004-02-12 | Karlheinz Reichert | Capacitor powder |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL252366A (en) * | 1958-06-13 | |||
US4141720A (en) * | 1978-05-16 | 1979-02-27 | Nrc, Inc. | Tantalum powder reclaiming |
WO1986007097A1 (en) * | 1985-05-27 | 1986-12-04 | The University Of Melbourne | Metal halide reduction with molten sodium/potassium alloy |
US4722756A (en) * | 1987-02-27 | 1988-02-02 | Cabot Corp | Method for deoxidizing tantalum material |
US4923531A (en) * | 1988-09-23 | 1990-05-08 | Rmi Company | Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier |
RU2089350C1 (en) * | 1990-05-17 | 1997-09-10 | Кабот Корпорейшн | Method of production of tantalum powder |
US5448447A (en) * | 1993-04-26 | 1995-09-05 | Cabot Corporation | Process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom |
US5442978A (en) * | 1994-05-19 | 1995-08-22 | H. C. Starck, Inc. | Tantalum production via a reduction of K2TAF7, with diluent salt, with reducing agent provided in a fast series of slug additions |
US5993513A (en) * | 1996-04-05 | 1999-11-30 | Cabot Corporation | Method for controlling the oxygen content in valve metal materials |
US6051326A (en) * | 1997-04-26 | 2000-04-18 | Cabot Corporation | Valve metal compositions and method |
DE19847012A1 (en) * | 1998-10-13 | 2000-04-20 | Starck H C Gmbh Co Kg | Niobium powder and process for its manufacture |
US6558447B1 (en) * | 1999-05-05 | 2003-05-06 | H.C. Starck, Inc. | Metal powders produced by the reduction of the oxides with gaseous magnesium |
DE19953946A1 (en) * | 1999-11-09 | 2001-05-10 | Starck H C Gmbh Co Kg | Capacitor powder |
US20030104923A1 (en) * | 2001-05-15 | 2003-06-05 | Showa Denko K.K. | Niobium oxide powder, niobium oxide sintered body and capacitor using the sintered body |
JP3610942B2 (en) * | 2001-10-12 | 2005-01-19 | 住友金属鉱山株式会社 | Method for producing niobium and / or tantalum powder |
BR0204587A (en) * | 2002-11-04 | 2004-06-29 | Cbmm Sa | High Surface Area Niobium and / or Tantalum Powder Production Process |
-
2002
- 2002-08-26 US US11/574,675 patent/US20080011124A1/en not_active Abandoned
-
2004
- 2004-09-08 DE DE102004043343A patent/DE102004043343A1/en not_active Withdrawn
-
2005
- 2005-08-26 EP EP05782917A patent/EP1793950A2/en not_active Withdrawn
- 2005-08-26 WO PCT/EP2005/009230 patent/WO2006027119A2/en active Application Filing
- 2005-08-26 JP JP2007530614A patent/JP2008512568A/en not_active Withdrawn
- 2005-08-26 KR KR1020077007633A patent/KR20070098988A/en not_active Application Discontinuation
- 2005-08-26 MX MX2007002717A patent/MX2007002717A/en unknown
- 2005-08-26 AU AU2005281918A patent/AU2005281918A1/en not_active Abandoned
- 2005-08-26 BR BRPI0515172-4A patent/BRPI0515172A/en not_active IP Right Cessation
- 2005-08-26 RU RU2007112796/02A patent/RU2404881C2/en not_active IP Right Cessation
- 2005-08-26 CN CNA200580037624XA patent/CN101052488A/en active Pending
- 2005-09-07 TW TW094130621A patent/TW200624200A/en unknown
- 2005-09-08 SV SV2005002222A patent/SV2006002222A/en unknown
-
2007
- 2007-03-05 ZA ZA200701902A patent/ZA200701902B/en unknown
- 2007-03-07 IL IL181782A patent/IL181782A0/en unknown
-
2010
- 2010-04-23 RU RU2010116085/02A patent/RU2010116085A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991013182A1 (en) * | 1990-02-22 | 1991-09-05 | Rmi Titanium Company | Deoxidation of a refractory metal |
US20040028922A1 (en) * | 2000-06-21 | 2004-02-12 | Karlheinz Reichert | Capacitor powder |
US20030110890A1 (en) * | 2001-09-29 | 2003-06-19 | Jilin He | Process for the production of high surface area tantalum and/or niobium powders |
US20030230167A1 (en) * | 2002-03-12 | 2003-12-18 | Josua Loeffelholz | Valve metal powders and process for producing them |
US20030217619A1 (en) * | 2002-05-21 | 2003-11-27 | H.C. Starck, Inc. | Tantalum-silicon and niobium-silicon substrates for capacitor anodes |
Also Published As
Publication number | Publication date |
---|---|
TW200624200A (en) | 2006-07-16 |
RU2007112796A (en) | 2008-10-20 |
MX2007002717A (en) | 2008-03-11 |
DE102004043343A1 (en) | 2006-03-23 |
JP2008512568A (en) | 2008-04-24 |
RU2010116085A (en) | 2011-10-27 |
US20080011124A1 (en) | 2008-01-17 |
AU2005281918A1 (en) | 2006-03-16 |
SV2006002222A (en) | 2006-05-25 |
EP1793950A2 (en) | 2007-06-13 |
KR20070098988A (en) | 2007-10-08 |
RU2404881C2 (en) | 2010-11-27 |
ZA200701902B (en) | 2008-08-27 |
CN101052488A (en) | 2007-10-10 |
BRPI0515172A (en) | 2008-07-08 |
WO2006027119A2 (en) | 2006-03-16 |
IL181782A0 (en) | 2007-07-04 |
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