CA2295578A1 - Process for the preparation of ultra-fine powders of metal oxides - Google Patents

Process for the preparation of ultra-fine powders of metal oxides Download PDF

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Publication number
CA2295578A1
CA2295578A1 CA002295578A CA2295578A CA2295578A1 CA 2295578 A1 CA2295578 A1 CA 2295578A1 CA 002295578 A CA002295578 A CA 002295578A CA 2295578 A CA2295578 A CA 2295578A CA 2295578 A1 CA2295578 A1 CA 2295578A1
Authority
CA
Canada
Prior art keywords
preparation
ultra
fine powders
metal oxides
metal oxide
Prior art date
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.)
Granted
Application number
CA002295578A
Other languages
French (fr)
Other versions
CA2295578C (en
Inventor
Ru-Shi Liu
Shich-Chang Suen
Yu-Hua Kao
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.)
BASF SE
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/EP1998/002522 external-priority patent/WO1999002453A1/en
Publication of CA2295578A1 publication Critical patent/CA2295578A1/en
Application granted granted Critical
Publication of CA2295578C publication Critical patent/CA2295578C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • C01B13/36Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

A novel process for the preparation of ultra-fine powders of metal oxide wherein a surfactant is added to the solution for the preparation of the metal oxide to provide nanometer metal oxide powders without the utilization of vacuum or high pressure conditions is disclosed.
CA002295578A 1997-07-10 1998-04-29 Process for the preparation of ultra-fine powders of metal oxides Expired - Fee Related CA2295578C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97111689 1997-07-10
EP97111689.2 1997-07-10
PCT/EP1998/002522 WO1999002453A1 (en) 1997-06-09 1998-04-29 Process for the preparation of ultra-fine powders of metal oxides

Publications (2)

Publication Number Publication Date
CA2295578A1 true CA2295578A1 (en) 1999-01-21
CA2295578C CA2295578C (en) 2008-11-25

Family

ID=8227041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002295578A Expired - Fee Related CA2295578C (en) 1997-07-10 1998-04-29 Process for the preparation of ultra-fine powders of metal oxides

Country Status (6)

Country Link
JP (1) JP2001509467A (en)
KR (1) KR100497886B1 (en)
CA (1) CA2295578C (en)
DE (1) DE69802095T2 (en)
MY (1) MY129483A (en)
RU (1) RU2203217C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY143356A (en) * 2004-06-25 2011-04-29 Very Small Particle Company Pty Ltd Method for producing fine-grained particles
JP4505635B2 (en) * 2004-09-16 2010-07-21 国立大学法人 香川大学 Nanoscale material and method for producing the same
RU2455236C1 (en) * 2011-04-06 2012-07-10 Государственное образовательное учреждение высшего профессионального образования "Томский государственный университет" (ТГУ) Method of producing tin monoxide under hydrothermal-microwave treatment conditions

Also Published As

Publication number Publication date
KR100497886B1 (en) 2005-06-29
KR20010021567A (en) 2001-03-15
CA2295578C (en) 2008-11-25
RU2203217C2 (en) 2003-04-27
MY129483A (en) 2007-04-30
JP2001509467A (en) 2001-07-24
DE69802095D1 (en) 2001-11-22
DE69802095T2 (en) 2002-07-11

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