IL112620A - Process for preparing high purity metal powder - Google Patents

Process for preparing high purity metal powder

Info

Publication number
IL112620A
IL112620A IL112620A IL11262095A IL112620A IL 112620 A IL112620 A IL 112620A IL 112620 A IL112620 A IL 112620A IL 11262095 A IL11262095 A IL 11262095A IL 112620 A IL112620 A IL 112620A
Authority
IL
Israel
Prior art keywords
pref
alkoxide
high purity
metal powder
methoxide
Prior art date
Application number
IL112620A
Other languages
English (en)
Other versions
IL112620A0 (en
Original Assignee
Starck H C Gmbh Co Kg
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 Starck H C Gmbh Co Kg filed Critical Starck H C Gmbh Co Kg
Publication of IL112620A0 publication Critical patent/IL112620A0/xx
Publication of IL112620A publication Critical patent/IL112620A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/24Obtaining niobium or tantalum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/28Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from gaseous metal compounds
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/30Obtaining chromium, molybdenum or tungsten
    • C22B34/36Obtaining tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/12Dry methods smelting of sulfides or formation of mattes by gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00Treatment under specific atmosphere
    • B22F2201/01Reducing atmosphere
    • B22F2201/013Hydrogen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2203/00Controlling
    • B22F2203/11Controlling temperature, temperature profile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL112620A 1994-02-15 1995-02-13 Process for preparing high purity metal powder IL112620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4404747A DE4404747C2 (de) 1994-02-15 1994-02-15 Herstellung von Reinstmetallpulver aus Metallalkoxiden

Publications (2)

Publication Number Publication Date
IL112620A0 IL112620A0 (en) 1995-05-26
IL112620A true IL112620A (en) 1997-09-30

Family

ID=6510268

Family Applications (1)

Application Number Title Priority Date Filing Date
IL112620A IL112620A (en) 1994-02-15 1995-02-13 Process for preparing high purity metal powder

Country Status (11)

Country Link
US (1) US5711783A (ja)
EP (1) EP0667200B1 (ja)
JP (1) JPH07252511A (ja)
KR (1) KR950031331A (ja)
CN (1) CN1112467A (ja)
AT (1) ATE170116T1 (ja)
CA (1) CA2142254A1 (ja)
DE (2) DE4404747C2 (ja)
IL (1) IL112620A (ja)
RU (1) RU2126735C1 (ja)
TW (1) TW257706B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6100415A (en) * 1998-03-16 2000-08-08 Japan Pionics Co., Ltd. Purified alkoxide and process for purifying crude alkoxide
WO2000067936A1 (en) * 1998-05-06 2000-11-16 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
US5997612A (en) * 1998-07-24 1999-12-07 The Boc Group, Inc. Pressure swing adsorption process and apparatus
US6375704B1 (en) * 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
DE10231777A1 (de) * 2002-07-13 2004-02-05 Diehl Munitionssysteme Gmbh & Co. Kg Verfahren zur Herstellung eines Wolfram-Basismaterials und Verwendung desselben
US7187396B2 (en) 2003-11-07 2007-03-06 Engelhard Corporation Low visibility laser marking additive
ZA200609062B (en) 2004-09-23 2008-08-27 Element Six Pty Ltd Coated abrasive materials and method of manufacture
US7399335B2 (en) * 2005-03-22 2008-07-15 H.C. Starck Inc. Method of preparing primary refractory metal
US7758668B1 (en) 2006-04-18 2010-07-20 Chemnano, Inc. Process of manufacturing metallic nano-scale powders
EP2870277B1 (en) * 2012-07-03 2021-04-14 Enlighten Innovations Inc. Apparatus and method of producing metal in a nasicon electrolytic cell
CN109396456B (zh) * 2018-12-28 2024-02-13 西安赛隆金属材料有限责任公司 一种球形钨粉末的制备装置及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117833A (en) * 1958-09-25 1964-01-14 Fansteel Metallurgical Corp Process of purifying and separating columbium and tantalum values from each other
US3640093A (en) * 1969-03-10 1972-02-08 Owens Illinois Inc Process of converting metalorganic compounds and high purity products obtained therefrom
GB1307581A (en) * 1970-05-05 1973-02-21 Monsanto Chemicals Production of alkoxides
EP0197271B1 (en) * 1985-03-04 1989-04-19 Kabushiki Kaisha Toshiba Methods for preparing high-purity molybdenum or tungsten powder and high-purity oxides powder of the same
US4582696A (en) * 1985-04-15 1986-04-15 Ford Motor Company Method of making a special purity silicon nitride powder
US4615736A (en) * 1985-05-01 1986-10-07 Allied Corporation Preparation of metal powders
US4755369A (en) * 1985-05-22 1988-07-05 Research Development Corporation Of Japan Production of ultrafine particles
JPS61275108A (ja) * 1985-05-30 1986-12-05 Mitsubishi Mining & Cement Co Ltd 誘電体粉末の製造方法
JPS63184306A (ja) * 1986-09-22 1988-07-29 Mitsui Toatsu Chem Inc 強磁性金属粉末の安定化方法
JPH0230706A (ja) * 1988-07-19 1990-02-01 Central Glass Co Ltd β−タングステン粉末の製造法

Also Published As

Publication number Publication date
CA2142254A1 (en) 1995-08-16
RU95101844A (ru) 1997-03-10
ATE170116T1 (de) 1998-09-15
DE59503295D1 (de) 1998-10-01
IL112620A0 (en) 1995-05-26
RU2126735C1 (ru) 1999-02-27
EP0667200A1 (de) 1995-08-16
DE4404747C2 (de) 1995-12-14
CN1112467A (zh) 1995-11-29
EP0667200B1 (de) 1998-08-26
JPH07252511A (ja) 1995-10-03
TW257706B (ja) 1995-09-21
US5711783A (en) 1998-01-27
DE4404747A1 (de) 1995-08-17
KR950031331A (ko) 1995-12-18

Similar Documents

Publication Publication Date Title
IL112620A (en) Process for preparing high purity metal powder
EP0459832A3 (en) Electronic device and method for producing the same
SE8304186L (sv) Sett for sintring
HU901923D0 (en) Herbicide preparative containing diamino-triazine derivative as active substance and process for producing it
IL117709A (en) 3-(alpha-methoxy)methylenebenzofuranone and a process for the preparation thereof
GR3026433T3 (en) Semi-synthesis of taxane derivatives using metal alkoxides and oxazinones
MY118936A (en) Hydrogenation reaction catalyst precursor, process for production thereof and process for production of alcohol.
WO2002057245A8 (en) Epoxidation catalyst and process
AU5905690A (en) Reduction of nitrosamine formation
EP1078922A4 (en) PROCESS FOR THE PREPARATION OF ESTERS OR LACTONS
EP0335987A4 (en) Process for producing chevrel compounds
AU6204386A (en) A process for the production of oxides of aromatic tertiary amines and products obtained in this way
DK0924968T3 (da) Gasblanding til plasmasprøjtning og anvendelse af denne blanding til plasmasprøjtning af ildfaste materialer
MY111320A (en) Process and antiparasitic intermediates for doramectin
AU3814800A (en) Enantiomers of mercapto lactones and processes for their synthesis
IL106192A0 (en) Preparation of 2-chloro-5-aminomethyl-pyridine
DE3569729D1 (en) 3-aminoazetidine, its salts, process for their preparation and intermediates
CA2165087A1 (en) Process for preparing a powder mixture and its use
ES2012544A6 (es) Un metodo para producir derivados de cianoacetamida.
DK0444280T3 (da) Fremgangsmåde til fremstilling af fysiologisk forenelige oxidlag på knogleimplantater
ES451752A1 (es) Un procedimiento para la obtencion de una 4-hidroximetil-2- pinolidina.
EP0408053A3 (en) Monocyclic terpene derivatives
GB1006843A (en) Process for the production of alkyl aluminium compounds
JPS6425984A (en) Formation of deposited film
EP0470522A3 (en) Method for the preparation of metallic carbides

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees