GB2410251B - Valve metal powders and process for producing them - Google Patents
Valve metal powders and process for producing themInfo
- Publication number
- GB2410251B GB2410251B GB0508078A GB0508078A GB2410251B GB 2410251 B GB2410251 B GB 2410251B GB 0508078 A GB0508078 A GB 0508078A GB 0508078 A GB0508078 A GB 0508078A GB 2410251 B GB2410251 B GB 2410251B
- Authority
- GB
- United Kingdom
- Prior art keywords
- producing
- metal powders
- valve metal
- valve
- powders
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 title 1
- 239000000843 powder Substances 0.000 title 1
Classifications
-
- 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
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1103—Making porous workpieces or articles with particular physical characteristics
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of 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
- 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
-
- 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, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10210876 | 2002-03-12 | ||
GB0305574A GB2390375B (en) | 2002-03-12 | 2003-03-11 | Valve metal powders and process for producing them |
Publications (5)
Publication Number | Publication Date |
---|---|
GB0508078D0 GB0508078D0 (en) | 2005-06-01 |
GB2410251A GB2410251A (en) | 2005-07-27 |
GB2410251B true GB2410251B (en) | 2006-04-05 |
GB2410251B8 GB2410251B8 (en) | 2018-07-25 |
GB2410251A8 GB2410251A8 (en) | 2018-07-25 |
Family
ID=34740453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0508078.3A Expired - Lifetime GB2410251B8 (en) | 2002-03-12 | 2003-03-11 | Valve metal powders and process for producing them |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2410251B8 (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2201427A (en) * | 1987-02-27 | 1988-09-01 | Cabot Corp | Method for deoxidising tantalum/columbium material |
US5986877A (en) * | 1996-04-25 | 1999-11-16 | Cabot Corporation | Tantalum metal power with controlled size distribution and products made therefrom |
WO2000015556A1 (en) * | 1998-09-16 | 2000-03-23 | Cabot Corporation | Methods to partially reduce certain metal oxides and oxygen reduced metal oxides |
US6136062A (en) * | 1998-10-13 | 2000-10-24 | H. C. Starck Gmbh & Co. Kg | Niobium powder and a process for the production of niobium and/or tantalum powders |
WO2000067936A1 (en) * | 1998-05-06 | 2000-11-16 | H.C. Starck, Inc. | Metal powders produced by the reduction of the oxides with gaseous magnesium |
US6193779B1 (en) * | 1997-02-19 | 2001-02-27 | H. C. Starck Gmbh & Co. Kg | Tantalum powder, method for producing same powder and sintered anodes obtained from it |
WO2001015555A1 (en) * | 1999-08-31 | 2001-03-08 | Japan Tobacco Inc. | Method of fixing perfume for improving odor of secondary smoke from cigarette and cigarette |
US6238456B1 (en) * | 1997-02-19 | 2001-05-29 | H. C. Starck Gmbh & Co. Kg | Tantalum powder, method for producing same powder and sintered anodes obtained from it |
WO2001071738A2 (en) * | 2000-03-23 | 2001-09-27 | Cabot Corporation | Oxygen reduced niobium oxides |
WO2001082318A2 (en) * | 2000-04-21 | 2001-11-01 | Showa Denko K.K. | Niobium sintered body, production method therefor, and capacitor using the same |
WO2002035563A2 (en) * | 2000-10-26 | 2002-05-02 | Showa Denko K.K. | Powder for capacitor, sintered body and capacitor using the sintered body |
-
2003
- 2003-03-11 GB GB0508078.3A patent/GB2410251B8/en not_active Expired - Lifetime
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2201427A (en) * | 1987-02-27 | 1988-09-01 | Cabot Corp | Method for deoxidising tantalum/columbium material |
US5986877A (en) * | 1996-04-25 | 1999-11-16 | Cabot Corporation | Tantalum metal power with controlled size distribution and products made therefrom |
US6193779B1 (en) * | 1997-02-19 | 2001-02-27 | H. C. Starck Gmbh & Co. Kg | Tantalum powder, method for producing same powder and sintered anodes obtained from it |
US6238456B1 (en) * | 1997-02-19 | 2001-05-29 | H. C. Starck Gmbh & Co. Kg | Tantalum powder, method for producing same powder and sintered anodes obtained from it |
WO2000067936A1 (en) * | 1998-05-06 | 2000-11-16 | H.C. Starck, Inc. | Metal powders produced by the reduction of the oxides with gaseous magnesium |
WO2000015556A1 (en) * | 1998-09-16 | 2000-03-23 | Cabot Corporation | Methods to partially reduce certain metal oxides and oxygen reduced metal oxides |
US6136062A (en) * | 1998-10-13 | 2000-10-24 | H. C. Starck Gmbh & Co. Kg | Niobium powder and a process for the production of niobium and/or tantalum powders |
WO2001015555A1 (en) * | 1999-08-31 | 2001-03-08 | Japan Tobacco Inc. | Method of fixing perfume for improving odor of secondary smoke from cigarette and cigarette |
WO2001071738A2 (en) * | 2000-03-23 | 2001-09-27 | Cabot Corporation | Oxygen reduced niobium oxides |
WO2001082318A2 (en) * | 2000-04-21 | 2001-11-01 | Showa Denko K.K. | Niobium sintered body, production method therefor, and capacitor using the same |
WO2002035563A2 (en) * | 2000-10-26 | 2002-05-02 | Showa Denko K.K. | Powder for capacitor, sintered body and capacitor using the sintered body |
Also Published As
Publication number | Publication date |
---|---|
GB2410251B8 (en) | 2018-07-25 |
GB2410251A (en) | 2005-07-27 |
GB2410251A8 (en) | 2018-07-25 |
GB0508078D0 (en) | 2005-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S117 | Correction of errors in patents and applications (sect. 117/patents act 1977) |
Free format text: REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 15 JUNE 2018 |
|
S117 | Correction of errors in patents and applications (sect. 117/patents act 1977) |
Free format text: CORRECTIONS ALLOWED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 15 JUNE 2018 ALLOWED ON 18 JULY 2018 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20181011 AND 20181017 |
|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20230310 |