BR0304252B1 - production process of niobium monoxide powder, niobium monoxide, and capacitor. - Google Patents

production process of niobium monoxide powder, niobium monoxide, and capacitor.

Info

Publication number
BR0304252B1
BR0304252B1 BR0304252A BR0304252A BR0304252B1 BR 0304252 B1 BR0304252 B1 BR 0304252B1 BR 0304252 A BR0304252 A BR 0304252A BR 0304252 A BR0304252 A BR 0304252A BR 0304252 B1 BR0304252 B1 BR 0304252B1
Authority
BR
Brazil
Prior art keywords
niobium monoxide
capacitor
production process
powder
niobium
Prior art date
Application number
BR0304252A
Other languages
Portuguese (pt)
Other versions
BR0304252A (en
Inventor
Solon Yasuhiko Tagusagawa
Alberto Akikazu Ono
Flavio Beneduce Neto
Joao Batista Ferreira Neto
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 filed Critical
Priority to BR0304252A priority Critical patent/BR0304252B1/en
Priority to GB0605986A priority patent/GB2421945A/en
Priority to CNA2004800277767A priority patent/CN1856446A/en
Priority to PCT/BR2004/000003 priority patent/WO2005028370A1/en
Priority to JP2006527231A priority patent/JP2007506634A/en
Priority to DE112004001796T priority patent/DE112004001796T5/en
Publication of BR0304252A publication Critical patent/BR0304252A/en
Publication of BR0304252B1 publication Critical patent/BR0304252B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00—Compounds of niobium
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • 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
    • C01P2006/40—Electric properties
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
BR0304252A 2003-09-25 2003-09-25 production process of niobium monoxide powder, niobium monoxide, and capacitor. BR0304252B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BR0304252A BR0304252B1 (en) 2003-09-25 2003-09-25 production process of niobium monoxide powder, niobium monoxide, and capacitor.
GB0605986A GB2421945A (en) 2003-09-25 2004-01-23 A process for the production of niobium oxide power for use in capacitors
CNA2004800277767A CN1856446A (en) 2003-09-25 2004-01-23 A process for the production of niobium oxide power for use in capacitors
PCT/BR2004/000003 WO2005028370A1 (en) 2003-09-25 2004-01-23 A process for the production of niobium oxide power for use in capacitors
JP2006527231A JP2007506634A (en) 2003-09-25 2004-01-23 Preparation of niobium oxide powder for use in capacitors
DE112004001796T DE112004001796T5 (en) 2003-09-25 2004-01-23 A process for the production of niobium oxide powder for use in capacitors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR0304252A BR0304252B1 (en) 2003-09-25 2003-09-25 production process of niobium monoxide powder, niobium monoxide, and capacitor.

Publications (2)

Publication Number Publication Date
BR0304252A BR0304252A (en) 2005-05-31
BR0304252B1 true BR0304252B1 (en) 2013-05-14

Family

ID=34318717

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0304252A BR0304252B1 (en) 2003-09-25 2003-09-25 production process of niobium monoxide powder, niobium monoxide, and capacitor.

Country Status (6)

Country Link
JP (1) JP2007506634A (en)
CN (1) CN1856446A (en)
BR (1) BR0304252B1 (en)
DE (1) DE112004001796T5 (en)
GB (1) GB2421945A (en)
WO (1) WO2005028370A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006254330B2 (en) * 2005-06-03 2012-07-05 H.C. Starck Gmbh Niobium suboxides
JPWO2008001774A1 (en) * 2006-06-26 2009-11-26 三井金属鉱業株式会社 Niobium oxide production method and niobium monoxide
JP5046572B2 (en) 2006-06-26 2012-10-10 三井金属鉱業株式会社 Niobium monoxide
US8040660B2 (en) * 2007-07-18 2011-10-18 Cabot Corporation High voltage niobium oxides and capacitors containing same
CN100577574C (en) * 2007-08-25 2010-01-06 宁夏东方钽业股份有限公司 Method for preparing low chemical valence niobium oxide or niobium powder
CN108046323B (en) * 2017-12-20 2019-08-02 广东省稀有金属研究所 A kind of preparation method of niobium oxide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6416730B1 (en) * 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
US6391275B1 (en) * 1998-09-16 2002-05-21 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
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
BR0204587A (en) * 2002-11-04 2004-06-29 Cbmm Sa High Surface Area Niobium and / or Tantalum Powder Production Process

Also Published As

Publication number Publication date
WO2005028370A1 (en) 2005-03-31
JP2007506634A (en) 2007-03-22
DE112004001796T5 (en) 2006-09-07
BR0304252A (en) 2005-05-31
GB2421945A (en) 2006-07-12
GB0605986D0 (en) 2006-05-03
CN1856446A (en) 2006-11-01

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: IPT - INSTITUTO DE PESQUISAS TECNOLOGICAS DO ESTAD

Free format text: TRANSFERIDO DE: CBMM - COMPANHIA BRASILEIRA DE METALURGIA E MINERACAO.

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/09/2003, OBSERVADAS AS CONDICOES LEGAIS.

B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE: H01G 4/00 PARA: C01G 33/00

Ipc: C01G 33/00 (2006.01)

B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H01G 4/00

Ipc: C01G 33/00 (2006.01)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 13A ANUIDADE.

B21H Decision of lapse of a patent or of a certificate of addition of invention cancelled [chapter 21.8 patent gazette]
B24B Patent annual fee: requirement for complementing annual fee
B24D Patent annual fee: restoration after fee payment