DE4124630C2 - - Google Patents

Info

Publication number
DE4124630C2
DE4124630C2 DE4124630A DE4124630A DE4124630C2 DE 4124630 C2 DE4124630 C2 DE 4124630C2 DE 4124630 A DE4124630 A DE 4124630A DE 4124630 A DE4124630 A DE 4124630A DE 4124630 C2 DE4124630 C2 DE 4124630C2
Authority
DE
Germany
Prior art keywords
colored
corundum
color
bodies
sintered
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.)
Revoked
Application number
DE4124630A
Other languages
German (de)
English (en)
Other versions
DE4124630A1 (de
Inventor
Paul Dipl.-Chem. Dr. 7887 Laufenburg De Moeltgen
Gerhard Prof. Dipl.-Chem. Dr. 3380 Goslar De Winter
Dietmar Dipl.-Chem. Dr. 7886 Murg De 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
HC Starck GmbH
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=DE4124630(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by HC Starck GmbH filed Critical HC Starck GmbH
Priority to DE4124630A priority Critical patent/DE4124630A1/de
Priority to US07/910,439 priority patent/US5256611A/en
Priority to AT92111879T priority patent/ATE132472T1/de
Priority to EP92111879A priority patent/EP0524519B1/de
Priority to DE59204889T priority patent/DE59204889D1/de
Priority to JP4213196A priority patent/JPH07196359A/ja
Priority to CA002074402A priority patent/CA2074402A1/en
Priority to BR929202845A priority patent/BR9202845A/pt
Publication of DE4124630A1 publication Critical patent/DE4124630A1/de
Publication of DE4124630C2 publication Critical patent/DE4124630C2/de
Application granted granted Critical
Granted 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)
  • 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)
DE4124630A 1991-07-25 1991-07-25 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung Granted DE4124630A1 (de)

Priority Applications (8)

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
US07/910,439 US5256611A (en) 1991-07-25 1992-07-08 Colored corundum composite and processes for its production and its use
DE59204889T DE59204889D1 (de) 1991-07-25 1992-07-13 Farbiger Korund, Verfahren zu seiner Herstellung sowie dessen Verwendung
EP92111879A EP0524519B1 (de) 1991-07-25 1992-07-13 Farbiger Korund, Verfahren zu seiner Herstellung sowie dessen Verwendung
AT92111879T ATE132472T1 (de) 1991-07-25 1992-07-13 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung
JP4213196A JPH07196359A (ja) 1991-07-25 1992-07-20 着色コランダム複合体ならびにその製造方法およびその使用
CA002074402A CA2074402A1 (en) 1991-07-25 1992-07-22 Colored corundum composite and processes for its production and its use
BR929202845A BR9202845A (pt) 1991-07-25 1992-07-23 Corundo sinterizado colorido,processo para a sua preparacao,e emprego

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 (2)

Publication Number Publication Date
DE4124630A1 DE4124630A1 (de) 1993-02-11
DE4124630C2 true DE4124630C2 (enExample) 1993-07-08

Family

ID=6436960

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4124630A Granted DE4124630A1 (de) 1991-07-25 1991-07-25 Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung
DE59204889T Revoked DE59204889D1 (de) 1991-07-25 1992-07-13 Farbiger Korund, Verfahren zu seiner Herstellung sowie dessen Verwendung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59204889T Revoked DE59204889D1 (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
BR9202845A (pt) 1993-03-30
DE4124630A1 (de) 1993-02-11
ATE132472T1 (de) 1996-01-15
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
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation