FR2010259A1 - - Google Patents

Info

Publication number
FR2010259A1
FR2010259A1 FR6918191A FR6918191A FR2010259A1 FR 2010259 A1 FR2010259 A1 FR 2010259A1 FR 6918191 A FR6918191 A FR 6918191A FR 6918191 A FR6918191 A FR 6918191A FR 2010259 A1 FR2010259 A1 FR 2010259A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6918191A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HC Starck GmbH
Original Assignee
HC Starck GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HC Starck GmbH filed Critical HC Starck GmbH
Publication of FR2010259A1 publication Critical patent/FR2010259A1/fr
Withdrawn legal-status Critical Current

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
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • 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
FR6918191A 1968-06-06 1969-06-03 Withdrawn FR2010259A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH838068A CH515996A (en) 1968-06-06 1968-06-06 Process for the production of high-purity niobium and / or tantalum

Publications (1)

Publication Number Publication Date
FR2010259A1 true FR2010259A1 (en) 1970-02-13

Family

ID=4339418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918191A Withdrawn FR2010259A1 (en) 1968-06-06 1969-06-03

Country Status (6)

Country Link
US (1) US3647420A (en)
BE (1) BE734012A (en)
CH (1) CH515996A (en)
DE (1) DE1928149A1 (en)
FR (1) FR2010259A1 (en)
GB (1) GB1266065A (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517180C3 (en) * 1975-04-18 1979-04-19 Fa. Hermann C. Starck Berlin, 1000 Berlin Process for the continuous production of fine, high-capacity earth acid metal powder for electrolytic capacitors
US4113479A (en) * 1976-02-27 1978-09-12 Amax Inc. Vacuum smelting process for producing ferrotungsten
US5242481A (en) * 1989-06-26 1993-09-07 Cabot Corporation Method of making powders and products of tantalum and niobium
ES2020131A6 (en) * 1989-06-26 1991-07-16 Cabot Corp Powders and products of tantalum, niobium and their alloys
US6165623A (en) 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US6051326A (en) 1997-04-26 2000-04-18 Cabot Corporation Valve metal compositions and method
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
DE19831280A1 (en) * 1998-07-13 2000-01-20 Starck H C Gmbh Co Kg Acidic earth metal, specifically tantalum or niobium, powder for use, e.g., in capacitor production is produced by two-stage reduction of the pentoxide using hydrogen as the first stage reducing agent for initial suboxide formation
US6171363B1 (en) * 1998-05-06 2001-01-09 H. C. Starck, Inc. Method for producing tantallum/niobium metal powders by the reduction of their oxides with gaseous magnesium
EP2055412B1 (en) * 1998-05-06 2012-08-22 H.C. Starck GmbH Niobium or tantalum based powder produced by the reduction of the oxides with a gaseous metal
US6391275B1 (en) * 1998-09-16 2002-05-21 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
US6462934B2 (en) 1998-09-16 2002-10-08 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
US6416730B1 (en) * 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
DE19847012A1 (en) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobium powder and process for its manufacture
US6348113B1 (en) 1998-11-25 2002-02-19 Cabot Corporation High purity tantalum, products containing the same, and methods of making the same
WO2000049633A1 (en) * 1999-02-16 2000-08-24 Showa Denko K.K. Niobium powder, niobium sintered body, capacitor comprised of the sintered body, and method for manufacturing the capacitor
WO2000056486A1 (en) 1999-03-19 2000-09-28 Cabot Corporation Making niobium and other metal powders by milling
US6375704B1 (en) 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
US6576099B2 (en) 2000-03-23 2003-06-10 Cabot Corporation Oxygen reduced niobium oxides
EP1287172B1 (en) * 2000-05-22 2008-10-29 Cabot Corporation High purity niobium and products containing the same, and methods of making the same
US6849104B2 (en) 2000-10-10 2005-02-01 H. C. Starck Inc. Metalothermic reduction of refractory metal oxides
IL155746A0 (en) * 2000-11-06 2003-12-23 Cabot Corp Modified oxygen reduced valve metal oxides
US7655214B2 (en) * 2003-02-26 2010-02-02 Cabot Corporation Phase formation of oxygen reduced valve metal oxides and granulation methods
US7445679B2 (en) * 2003-05-16 2008-11-04 Cabot Corporation Controlled oxygen addition for metal material
WO2004103906A2 (en) * 2003-05-19 2004-12-02 Cabot Corporation Methods of making a niobium metal oxide and oxygen reduced niobium oxides
US7354472B2 (en) * 2004-06-21 2008-04-08 H.C. Starck Inc. Metalothermic reduction of refractory metal oxides
US20080105082A1 (en) * 2004-09-29 2008-05-08 Shekhter Leonid N Magnesium Removal From Magnesium Reduced Metal Powders
US7431751B2 (en) * 2004-09-29 2008-10-07 H.C. Starck Inc. Magnesium removal from magnesium reduced metal powders
WO2006057455A1 (en) * 2004-11-29 2006-06-01 Showa Denko K.K. Porous anode body for solid electrolytic capacitor, production mehtod thereof and solid electrolytic capacitor
US7099143B1 (en) * 2005-05-24 2006-08-29 Avx Corporation Wet electrolytic capacitors
US7480130B2 (en) * 2006-03-09 2009-01-20 Avx Corporation Wet electrolytic capacitor
US7511943B2 (en) * 2006-03-09 2009-03-31 Avx Corporation Wet electrolytic capacitor containing a cathode coating
US7460356B2 (en) * 2007-03-20 2008-12-02 Avx Corporation Neutral electrolyte for a wet electrolytic capacitor
US7554792B2 (en) * 2007-03-20 2009-06-30 Avx Corporation Cathode coating for a wet electrolytic capacitor
US7649730B2 (en) * 2007-03-20 2010-01-19 Avx Corporation Wet electrolytic capacitor containing a plurality of thin powder-formed anodes
US8246903B2 (en) * 2008-09-09 2012-08-21 H.C. Starck Inc. Dynamic dehydriding of refractory metal powders
JP5010706B2 (en) * 2010-04-01 2012-08-29 三井金属鉱業株式会社 Tantalum recovery method
RU2465097C1 (en) * 2011-05-04 2012-10-27 Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Method of producing tantalum powder
CN104439264B (en) * 2014-12-19 2017-01-04 九江有色金属冶炼有限公司 The preparation method of a kind of niobium bar and the niobium bar of preparation thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26294A (en) * 1859-11-29 Improvement in horse hay-rakes
BE589231A (en) * 1959-03-31
US3144328A (en) * 1960-05-17 1964-08-11 Mallory & Co Inc P R Method of producing porous sintered tantalum anodes
US3114629A (en) * 1960-10-10 1963-12-17 Union Carbide Corp Production of columbium and tantalum
GB1094283A (en) * 1965-05-25 1967-12-06 Ciba Ltd Method for the manufacture of tantalum and/or niobium powder
CH457869A (en) * 1966-02-02 1968-06-15 Ciba Geigy Process for the production of tantalum metal powder, in particular for capacitor purposes

Also Published As

Publication number Publication date
CH515996A (en) 1971-11-30
US3647420A (en) 1972-03-07
DE1928149B2 (en) 1971-01-21
DE1928149A1 (en) 1969-12-11
GB1266065A (en) 1972-03-08
BE734012A (en) 1969-11-17

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