CA2074402A1 - Colored corundum composite and processes for its production and its use - Google Patents

Colored corundum composite and processes for its production and its use

Info

Publication number
CA2074402A1
CA2074402A1 CA002074402A CA2074402A CA2074402A1 CA 2074402 A1 CA2074402 A1 CA 2074402A1 CA 002074402 A CA002074402 A CA 002074402A CA 2074402 A CA2074402 A CA 2074402A CA 2074402 A1 CA2074402 A1 CA 2074402A1
Authority
CA
Canada
Prior art keywords
colored
corundum
ion
production
pigmen
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.)
Abandoned
Application number
CA002074402A
Other languages
English (en)
French (fr)
Inventor
Paul Moeltgen
Gerhard Winter
Dietmar Fister
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.)
HC Starck GmbH
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
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=CA2074402(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2074402A1 publication Critical patent/CA2074402A1/en
Abandoned legal-status Critical Current

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)
  • Dispersion Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Luminescent Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Catalysts (AREA)
  • Cosmetics (AREA)
  • Glass Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (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)
CA002074402A 1991-07-25 1992-07-22 Colored corundum composite and processes for its production and its use Abandoned CA2074402A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4124630.6-45 1991-07-25
DE4124630A DE4124630A1 (de) 1991-07-25 1991-07-25 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung

Publications (1)

Publication Number Publication Date
CA2074402A1 true CA2074402A1 (en) 1993-01-26

Family

ID=6436960

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002074402A Abandoned CA2074402A1 (en) 1991-07-25 1992-07-22 Colored corundum composite and processes for its production and its use

Country Status (7)

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

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
EP1968894A1 (de) * 2005-07-16 2008-09-17 Clariant International Ltd. Verfahren zur herstellung von farbigem nanokorund
JP5412109B2 (ja) * 2005-07-16 2014-02-12 クラリアント・ファイナンス・（ビーブイアイ）・リミテッド 酸化アルミニウム及び元素周期律表の第１及び２主族の元素の酸化物よりなるナノ粒子ならびにその製造方法
DE102005033393B4 (de) * 2005-07-16 2014-04-03 Clariant International Limited Verfahren zur Herstellung von nanokristallinem α-Al2O3
US8481439B2 (en) * 2008-11-18 2013-07-09 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 (OSRAM) * 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
AT319133B (de) * 1972-05-05 1974-12-10 Degussa Mindestens zweiphasiger keramischer 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
US5215551A (en) * 1989-02-01 1993-06-01 Showa Denko K.K. Alumina-based ceramics materials, abrasive materials and method for the manufacture of the same
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
DE4124630A1 (de) 1993-02-11
EP0524519B1 (de) 1996-01-03
EP0524519A1 (de) 1993-01-27
ATE132472T1 (de) 1996-01-15
DE4124630C2 (OSRAM) 1993-07-08
DE59204889D1 (de) 1996-02-15
BR9202845A (pt) 1993-03-30
US5256611A (en) 1993-10-26
JPH07196359A (ja) 1995-08-01

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Legal Events

Date Code Title Description
FZDE Discontinued