GB2421031B - Improved ultra fine powders - Google Patents

Improved ultra fine powders

Info

Publication number
GB2421031B
GB2421031B GB0427057A GB0427057A GB2421031B GB 2421031 B GB2421031 B GB 2421031B GB 0427057 A GB0427057 A GB 0427057A GB 0427057 A GB0427057 A GB 0427057A GB 2421031 B GB2421031 B GB 2421031B
Authority
GB
United Kingdom
Prior art keywords
fine powders
ultra fine
improved ultra
improved
powders
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.)
Expired - Fee Related
Application number
GB0427057A
Other versions
GB2421031A (en
GB0427057D0 (en
Inventor
John William Carson
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.)
Individual
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 to GB0427057A priority Critical patent/GB2421031B/en
Publication of GB0427057D0 publication Critical patent/GB0427057D0/en
Publication of GB2421031A publication Critical patent/GB2421031A/en
Application granted granted Critical
Publication of GB2421031B publication Critical patent/GB2421031B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
    • B22F1/0018—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/026—Spray drying of solutions or suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/34—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of sprayed or atomised solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
    • C01G1/02—Oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/07—Producing by vapour phase processes, e.g. halide oxidation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C01G37/033—Chromium trioxide; Chromic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00—Compounds of zinc
    • C01G9/02—Oxides; Hydroxides
    • C01G9/03—Processes of production using dry methods, e.g. vapour phase processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
GB0427057A 2004-12-10 2004-12-10 Improved ultra fine powders Expired - Fee Related GB2421031B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0427057A GB2421031B (en) 2004-12-10 2004-12-10 Improved ultra fine powders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0427057A GB2421031B (en) 2004-12-10 2004-12-10 Improved ultra fine powders

Publications (3)

Publication Number Publication Date
GB0427057D0 GB0427057D0 (en) 2005-01-12
GB2421031A GB2421031A (en) 2006-06-14
GB2421031B true GB2421031B (en) 2008-03-26

Family

ID=34073485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0427057A Expired - Fee Related GB2421031B (en) 2004-12-10 2004-12-10 Improved ultra fine powders

Country Status (1)

Country Link
GB (1) GB2421031B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2399867B1 (en) * 2010-06-25 2013-08-21 Evonik Degussa GmbH Method for producing mixed oxides containing lithium
ES2941332B2 (en) * 2021-11-18 2023-11-06 Univ Jaume I Procedure for obtaining a ground ceramic pigment in situ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358695A (en) * 1993-01-21 1994-10-25 Physical Sciences, Inc. Process for producing nanoscale ceramic powders
US5958361A (en) * 1993-03-19 1999-09-28 Regents Of The University Of Michigan Ultrafine metal oxide powders by flame spray pyrolysis
EP1134302A1 (en) * 2000-03-17 2001-09-19 Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, C.S.G.I New process for the production of nanostructured solid powders and nano-particles films by compartimentalised solution thermal spraying (CSTS)
US6656588B1 (en) * 1998-12-01 2003-12-02 The Regents Of The University Of Michigan Ultrafine powders and their use as lasing media
US20040050207A1 (en) * 2002-07-17 2004-03-18 Wooldridge Margaret S. Gas phase synthesis of nanoparticles in a multi-element diffusion flame burner
WO2006024349A2 (en) * 2004-08-28 2006-03-09 Degussa Ag Indium-tin mixed oxide powder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358695A (en) * 1993-01-21 1994-10-25 Physical Sciences, Inc. Process for producing nanoscale ceramic powders
US5958361A (en) * 1993-03-19 1999-09-28 Regents Of The University Of Michigan Ultrafine metal oxide powders by flame spray pyrolysis
US6656588B1 (en) * 1998-12-01 2003-12-02 The Regents Of The University Of Michigan Ultrafine powders and their use as lasing media
EP1134302A1 (en) * 2000-03-17 2001-09-19 Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, C.S.G.I New process for the production of nanostructured solid powders and nano-particles films by compartimentalised solution thermal spraying (CSTS)
US20040050207A1 (en) * 2002-07-17 2004-03-18 Wooldridge Margaret S. Gas phase synthesis of nanoparticles in a multi-element diffusion flame burner
WO2006024349A2 (en) * 2004-08-28 2006-03-09 Degussa Ag Indium-tin mixed oxide powder

Also Published As

Publication number Publication date
GB2421031A (en) 2006-06-14
GB0427057D0 (en) 2005-01-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111210