CH377325A - Verfahren zur Herstellung von Niob- und Tantalpentoxyd - Google Patents

Verfahren zur Herstellung von Niob- und Tantalpentoxyd

Info

Publication number
CH377325A
CH377325A CH8144359A CH8144359A CH377325A CH 377325 A CH377325 A CH 377325A CH 8144359 A CH8144359 A CH 8144359A CH 8144359 A CH8144359 A CH 8144359A CH 377325 A CH377325 A CH 377325A
Authority
CH
Switzerland
Prior art keywords
niobium
production
tantalum pentoxide
pentoxide
tantalum
Prior art date
Application number
CH8144359A
Other languages
English (en)
Inventor
Fritz Dr Kern
Alex Dr Jacob
Cyrill Dr Hooper Peter
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Priority to CH8144359A priority Critical patent/CH377325A/de
Priority to CH1198760A priority patent/CH476643A/de
Priority to DEC22756A priority patent/DE1157589B/de
Priority to US72320A priority patent/US3133788A/en
Priority to GB4120860A priority patent/GB934886A/en
Publication of CH377325A publication Critical patent/CH377325A/de

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
    • C01P2004/60—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
    • 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)
CH8144359A 1959-12-04 1959-12-04 Verfahren zur Herstellung von Niob- und Tantalpentoxyd CH377325A (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH8144359A CH377325A (de) 1959-12-04 1959-12-04 Verfahren zur Herstellung von Niob- und Tantalpentoxyd
CH1198760A CH476643A (de) 1959-12-04 1960-10-26 Verfahren zur Herstellung von Niob- und Tantalpentoxyd
DEC22756A DE1157589B (de) 1959-12-04 1960-11-17 Verfahren zur Herstellung von Niob- und Tantalpentoxyd
US72320A US3133788A (en) 1959-12-04 1960-11-29 Process for the manufacture of niobium pentoxide or tantalum pentoxide
GB4120860A GB934886A (en) 1959-12-04 1960-11-30 Process for the manufacture of niobium pentoxide or tantalum pentoxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH8144359A CH377325A (de) 1959-12-04 1959-12-04 Verfahren zur Herstellung von Niob- und Tantalpentoxyd

Publications (1)

Publication Number Publication Date
CH377325A true CH377325A (de) 1964-05-15

Family

ID=4538817

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8144359A CH377325A (de) 1959-12-04 1959-12-04 Verfahren zur Herstellung von Niob- und Tantalpentoxyd

Country Status (3)

Country Link
US (1) US3133788A (de)
CH (1) CH377325A (de)
DE (1) DE1157589B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070642B1 (de) * 1981-07-17 1985-10-09 Kabushiki Kaisha Toshiba Verfahren und Vorrichtung zur Herstellung von Tantalpentoxyd

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370924A (en) * 1965-08-30 1968-02-27 Ibm Method of making crystals of rare earth chalocogenides
US5080880A (en) * 1989-06-13 1992-01-14 Teledyne Industries, Inc. Method of hydrolyzing metal halides
US5707599A (en) * 1996-02-13 1998-01-13 Santiam Electroactive Materials Process for purifying tantalum oxide and other metal oxides
US6322912B1 (en) * 1998-09-16 2001-11-27 Cabot Corporation Electrolytic capacitor anode of valve metal oxide
US6416730B1 (en) * 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA583038A (en) * 1959-09-08 Ii Wilmer A. Jenkins Separation of tantalum and niobium
FR1094146A (fr) * 1953-03-19 1955-05-13 Degussa Procédé de préparation d'oxydes métalliques actifs convenant en particulier comme charges et produits conformes à ceux obtenus
US2805921A (en) * 1955-08-01 1957-09-10 Du Pont Production of tio2
DE1028108B (de) * 1955-11-14 1958-04-17 Goldschmidt Ag Th Verfahren zur Herstellung von Zirkonoxyd aus Zirkontetrachlorid
US3000703A (en) * 1957-11-05 1961-09-19 Goldschmidt Ag Th Manufacture of zirconium oxide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070642B1 (de) * 1981-07-17 1985-10-09 Kabushiki Kaisha Toshiba Verfahren und Vorrichtung zur Herstellung von Tantalpentoxyd

Also Published As

Publication number Publication date
US3133788A (en) 1964-05-19
DE1157589B (de) 1963-11-21

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