ATE132472T1 - Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung - Google Patents

Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung

Info

Publication number
ATE132472T1
ATE132472T1 AT92111879T AT92111879T ATE132472T1 AT E132472 T1 ATE132472 T1 AT E132472T1 AT 92111879 T AT92111879 T AT 92111879T AT 92111879 T AT92111879 T AT 92111879T AT E132472 T1 ATE132472 T1 AT E132472T1
Authority
AT
Austria
Prior art keywords
production
corundum
colored corundum
colored
coloured
Prior art date
Application number
AT92111879T
Other languages
German (de)
English (en)
Inventor
Paul Dr Moeltgen
Gerhard Prof Dr Winter
Dietmar Dr Fister
Original Assignee
Starck H C Gmbh Co Kg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6436960&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE132472(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Starck H C Gmbh Co Kg filed Critical Starck H C Gmbh Co Kg
Application granted granted Critical
Publication of ATE132472T1 publication Critical patent/ATE132472T1/de

Links

Classifications

    • 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
    • C01B13/36—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions
    • C01B13/363—Mixtures of oxides or hydroxides by precipitation
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/115—Translucent or transparent products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/624—Sol-gel processing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Glass Compositions (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Catalysts (AREA)
  • Materials For Medical Uses (AREA)
  • Luminescent Compositions (AREA)
  • Cosmetics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
AT92111879T 1991-07-25 1992-07-13 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung ATE132472T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4124630A DE4124630A1 (de) 1991-07-25 1991-07-25 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung

Publications (1)

Publication Number Publication Date
ATE132472T1 true ATE132472T1 (de) 1996-01-15

Family

ID=6436960

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92111879T ATE132472T1 (de) 1991-07-25 1992-07-13 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung

Country Status (7)

Country Link
US (1) US5256611A (enExample)
EP (1) EP0524519B1 (enExample)
JP (1) JPH07196359A (enExample)
AT (1) ATE132472T1 (enExample)
BR (1) BR9202845A (enExample)
CA (1) CA2074402A1 (enExample)
DE (2) DE4124630A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9300519A (pt) * 1992-02-13 1993-08-17 Lonza Ag Particulas de material a base de oxido e processo para sua preparacao
US6174360B1 (en) * 1998-10-26 2001-01-16 Ferro Corporation Infrared reflective color pigment
DE102004003505A1 (de) * 2004-01-19 2005-08-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Farbiges transparentes Korundmaterial mit polykristallinem sub-µm Gefüge und Verfahren zur Herstellung von Formkörpern aus diesem Material
WO2007009577A1 (de) * 2005-07-16 2007-01-25 Clariant International Ltd Verfahren zur herstellung von farbigem nanokorund
DE102005033393B4 (de) * 2005-07-16 2014-04-03 Clariant International Limited Verfahren zur Herstellung von nanokristallinem α-Al2O3
WO2007009658A1 (de) * 2005-07-16 2007-01-25 Clariant Finance (Bvi) Limited Nanopartikel aus aluminiumoxid und oxiden von elementen der i. und ii. hauptgruppe des periodensystems sowie deren herstellung
EP2808313B1 (en) * 2008-11-18 2018-05-02 Tosoh Corporation Colored alumina sintered body of high toughness and high translucency, and its production method and its uses

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618567A (en) * 1950-10-19 1952-11-18 Norton Co Molded alumina
US3108888A (en) * 1960-08-04 1963-10-29 Du Pont Colloidal, anisodiametric transition aluminas and processes for making them
US3454385A (en) * 1965-08-04 1969-07-08 Norton Co Sintered alpha-alumina and zirconia abrasive product and process
JPS5424118B1 (enExample) * 1968-10-18 1979-08-18
US3909991A (en) * 1970-09-22 1975-10-07 Norton Co Process for making sintered abrasive grains
DE2059679A1 (de) * 1970-12-04 1972-06-15 Rosenthal Stemag Tech Keramik Hochwertige dichtgesinterte Aluminiumoxid-Keramik
AT316407B (de) * 1972-05-05 1974-07-10 Degussa Keramische Farbkörper
DE2815306C2 (de) * 1978-04-08 1983-11-10 Bayer Ag, 5090 Leverkusen Aktive Korrosionsschutzpigmente auf Calciumoxid-, Aluminiumoxidbasis und deren Verwendung
US4314827A (en) * 1979-06-29 1982-02-09 Minnesota Mining And Manufacturing Company Non-fused aluminum oxide-based abrasive mineral
DE3219607A1 (de) * 1981-05-27 1982-12-23 Kennecott Corp., 06904 Stamford, Conn. Gesintertes schleifmittel und verfahren zu seiner herstellung
US4623364A (en) * 1984-03-23 1986-11-18 Norton Company Abrasive material and method for preparing the same
CA1254238A (en) * 1985-04-30 1989-05-16 Alvin P. Gerk Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products
DD251546A1 (de) * 1986-07-30 1987-11-18 Akad Wissenschaften Ddr Blaugebrannter schleifkoerper auf korundbasis und verfahren zu seiner herstellung
DE69002557T2 (de) * 1989-02-01 1993-12-23 Showa Denko Kk Keramik aus aluminiumoxyd, schleifmittel und deren verfahren zur herstellung.
US5080718A (en) * 1989-02-23 1992-01-14 Engelhard Corporation Inorganic pigments of the empirical formula Ax By Cz
US5076815A (en) * 1989-07-07 1991-12-31 Lonza Ltd. Process for producing sintered material based on aluminum oxide and titanium oxide

Also Published As

Publication number Publication date
DE4124630C2 (enExample) 1993-07-08
BR9202845A (pt) 1993-03-30
DE4124630A1 (de) 1993-02-11
DE59204889D1 (de) 1996-02-15
CA2074402A1 (en) 1993-01-26
JPH07196359A (ja) 1995-08-01
EP0524519B1 (de) 1996-01-03
EP0524519A1 (de) 1993-01-27
US5256611A (en) 1993-10-26

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Legal Events

Date Code Title Description
EEIH Change in the person of patent owner
RZN Patent revoked