BR9002693A - Po de oxido de niobio(nb205)assim como processo para sua preparacao - Google Patents

Po de oxido de niobio(nb205)assim como processo para sua preparacao

Info

Publication number
BR9002693A
BR9002693A BR909002693A BR9002693A BR9002693A BR 9002693 A BR9002693 A BR 9002693A BR 909002693 A BR909002693 A BR 909002693A BR 9002693 A BR9002693 A BR 9002693A BR 9002693 A BR9002693 A BR 9002693A
Authority
BR
Brazil
Prior art keywords
oxide powder
niobio
preparation
weight
nb2o5
Prior art date
Application number
BR909002693A
Other languages
English (en)
Inventor
Walter Bludssus
Erik-Ruediger Feuerhahn
Horst Zimmermann
Original Assignee
Starck Hermann C Fa
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 Hermann C Fa filed Critical Starck Hermann C Fa
Publication of BR9002693A publication Critical patent/BR9002693A/pt

Links

Classifications

    • 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • 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
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
BR909002693A 1989-06-08 1990-06-07 Po de oxido de niobio(nb205)assim como processo para sua preparacao BR9002693A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3918691A DE3918691A1 (de) 1989-06-08 1989-06-08 Nioboxidpulver (nb(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)) sowie verfahren zu dessen herstellung

Publications (1)

Publication Number Publication Date
BR9002693A true BR9002693A (pt) 1991-08-20

Family

ID=6382335

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002693A BR9002693A (pt) 1989-06-08 1990-06-07 Po de oxido de niobio(nb205)assim como processo para sua preparacao

Country Status (11)

Country Link
EP (1) EP0402687B1 (pt)
JP (1) JPH0323222A (pt)
KR (1) KR0140871B1 (pt)
CN (1) CN1025669C (pt)
AT (1) ATE101104T1 (pt)
AU (1) AU630967B2 (pt)
BR (1) BR9002693A (pt)
CA (1) CA2018346A1 (pt)
DD (1) DD297949A5 (pt)
DE (2) DE3918691A1 (pt)
ZA (1) ZA904388B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030707A1 (de) * 1990-09-28 1992-04-02 Starck Hermann C Fa Verfahren zur herstellung von fluoridarmen tantal-/niob-oxidhydraten bzw. oxiden
US6338832B1 (en) * 1995-10-12 2002-01-15 Cabot Corporation Process for producing niobium and tantalum compounds
US6416730B1 (en) † 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
JP4261105B2 (ja) 2000-03-01 2009-04-30 キャボット コーポレイション 窒化バルブ金属およびその製造方法
JP4996016B2 (ja) * 2001-06-01 2012-08-08 三井金属鉱業株式会社 酸化ニオブスラリー、酸化ニオブ粉末およびそれらの製造方法
US20040062709A1 (en) * 2001-12-27 2004-04-01 Kenji Higashi Powder of tantalum oxide or niobium oxide, and method for production thereof
DE10307716B4 (de) 2002-03-12 2021-11-18 Taniobis Gmbh Ventilmetall-Pulver und Verfahren zu deren Herstellung
JP4202195B2 (ja) * 2003-06-10 2008-12-24 三井金属鉱業株式会社 水酸化タンタル、水酸化ニオブ、酸化タンタル、酸化ニオブ、およびこれらの製造方法
US7099143B1 (en) 2005-05-24 2006-08-29 Avx Corporation Wet electrolytic capacitors
CN103253708B (zh) * 2013-05-08 2014-11-05 北京工业大学 一种醋酸溶剂热制备五氧化二铌纳米线的方法
CN107055613B (zh) * 2017-02-27 2018-10-30 湖南工业大学 一种无基底五氧化二铌纳米片阵列负极材料及其制备方法和应用
JP7290921B2 (ja) * 2018-07-06 2023-06-14 太陽誘電株式会社 圧電磁器組成物及びその製造方法、並びに圧電磁器、圧電素子及び圧電振動装置
US11058883B2 (en) * 2019-02-15 2021-07-13 Medtronic, Inc. Feedthrough assembly
CN110386623B (zh) * 2019-07-04 2022-04-19 江西海协稀有金属材料有限公司 一种铌陶瓷膜过滤制备高纯氧化铌方法
CN114901597A (zh) * 2020-02-14 2022-08-12 三井金属矿业株式会社 铌酸水溶液
BR102020016774A2 (pt) * 2020-08-17 2022-02-22 Fras-Le S.A. Preparado de nanopartículas de nióbio, uso e processo para sua obtenção
GB2616009B (en) 2022-02-23 2024-05-01 Echion Tech Limited Electrode and method of manufacture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640679A (en) * 1969-02-06 1972-02-08 Molybdenum Corp Process for recovery of columbium
JPS4930354A (pt) * 1972-07-17 1974-03-18
JPS5110197A (en) * 1974-07-16 1976-01-27 Ishihara Sangyo Kaisha Suisankaniobu mataha suisankatantaruno seizohoho
DK449074A (da) * 1974-08-22 1976-02-23 Atomenergikommissionen Fremgangsmade til udvinding af tantal og/eller niob i fri eller bunden form fra tantal- og niobholdige oplosninger
DE3428788C2 (de) * 1983-08-11 1986-07-10 Günter J. 8510 Fürth Bauer Verfahren zum kontinuierlichen Herstellen von fluoridarmen Tantal- oder Niob-Pentoxiden
DD250706A1 (de) * 1986-07-01 1987-10-21 Mansfeld Kombinat W Pieck Veb Verfahren zur herstellung fluoridarmer tantal- oder niobpentoxide

Also Published As

Publication number Publication date
CN1025669C (zh) 1994-08-17
AU630967B2 (en) 1992-11-12
DD297949A5 (de) 1992-01-30
AU5704390A (en) 1990-12-13
CA2018346A1 (en) 1990-12-08
JPH0323222A (ja) 1991-01-31
KR0140871B1 (ko) 1998-06-01
EP0402687B1 (de) 1994-02-02
CN1047842A (zh) 1990-12-19
ZA904388B (en) 1991-03-27
DE59004470D1 (de) 1994-03-17
EP0402687A1 (de) 1990-12-19
DE3918691C2 (pt) 1991-07-04
KR910000537A (ko) 1991-01-29
ATE101104T1 (de) 1994-02-15
DE3918691A1 (de) 1990-12-13

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 07/06/2010