DE4124630A1 - Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung - Google Patents

Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung

Info

Publication number
DE4124630A1
DE4124630A1 DE4124630A DE4124630A DE4124630A1 DE 4124630 A1 DE4124630 A1 DE 4124630A1 DE 4124630 A DE4124630 A DE 4124630A DE 4124630 A DE4124630 A DE 4124630A DE 4124630 A1 DE4124630 A1 DE 4124630A1
Authority
DE
Germany
Prior art keywords
colored
corundum
color
metal oxides
production
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
DE4124630A
Other languages
German (de)
English (en)
Other versions
DE4124630C2 (enExample
Inventor
Paul Dipl Chem Dr Moeltgen
Gerhard Prof Dipl Chem Winter
Dietmar Dipl Chem Dr 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(A1) "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

    • 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
    • C01B13/363Mixtures of oxides or hydroxides by precipitation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped 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
    • C04B35/111Fine ceramics
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped 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
    • C04B35/111Fine ceramics
    • C04B35/115Translucent or transparent products
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/624Sol-gel processing
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/62Submicrometer 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 true DE4124630A1 (de) 1993-02-11
DE4124630C2 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005068392A1 (de) * 2004-01-19 2005-07-28 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

Families Citing this family (6)

* 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
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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949553A1 (de) * 1968-10-18 1970-07-09 Kyoto Ceramic Co, Ltd., Nakagyo, Kyoto (Japan) Gefärbter Keramikkörper
DE2059679A1 (de) * 1970-12-04 1972-06-15 Rosenthal Stemag Tech Keramik Hochwertige dichtgesinterte Aluminiumoxid-Keramik
DE2312535A1 (de) * 1972-05-05 1973-11-22 Degussa Keramischer farbkoerper
US4314827A (en) * 1979-06-29 1982-02-09 Minnesota Mining And Manufacturing Company Non-fused aluminum oxide-based abrasive mineral
DD251546A1 (de) * 1986-07-30 1987-11-18 Akad Wissenschaften Ddr Blaugebrannter schleifkoerper auf korundbasis und verfahren zu seiner herstellung
EP0406847A1 (de) * 1989-07-07 1991-01-09 H.C. Starck GmbH & Co. KG Sinterwerkstoff auf Basis von Aluminiumoxid, Verfahren zu seiner Herstellung und seine Verwendung
EP0408771A1 (en) * 1989-02-01 1991-01-23 Showa Denko Kabushiki Kaisha Alumina ceramic, abrasive material, and production thereof

Family Cites Families (9)

* 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
US3909991A (en) * 1970-09-22 1975-10-07 Norton Co Process for making sintered abrasive grains
DE2815306C2 (de) * 1978-04-08 1983-11-10 Bayer Ag, 5090 Leverkusen Aktive Korrosionsschutzpigmente auf Calciumoxid-, Aluminiumoxidbasis und deren Verwendung
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
US5080718A (en) * 1989-02-23 1992-01-14 Engelhard Corporation Inorganic pigments of the empirical formula Ax By Cz

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949553A1 (de) * 1968-10-18 1970-07-09 Kyoto Ceramic Co, Ltd., Nakagyo, Kyoto (Japan) Gefärbter Keramikkörper
US3791833A (en) * 1968-10-18 1974-02-12 Kyoto Ceramic Ceramic composition
DE2059679A1 (de) * 1970-12-04 1972-06-15 Rosenthal Stemag Tech Keramik Hochwertige dichtgesinterte Aluminiumoxid-Keramik
DE2312535A1 (de) * 1972-05-05 1973-11-22 Degussa Keramischer farbkoerper
US4314827A (en) * 1979-06-29 1982-02-09 Minnesota Mining And Manufacturing Company Non-fused aluminum oxide-based abrasive mineral
DD251546A1 (de) * 1986-07-30 1987-11-18 Akad Wissenschaften Ddr Blaugebrannter schleifkoerper auf korundbasis und verfahren zu seiner herstellung
EP0408771A1 (en) * 1989-02-01 1991-01-23 Showa Denko Kabushiki Kaisha Alumina ceramic, abrasive material, and production thereof
EP0408771B1 (en) * 1989-02-01 1993-08-04 Showa Denko Kabushiki Kaisha Alumina ceramic, abrasive material, and production thereof
EP0406847A1 (de) * 1989-07-07 1991-01-09 H.C. Starck GmbH & Co. KG Sinterwerkstoff auf Basis von Aluminiumoxid, Verfahren zu seiner Herstellung und seine Verwendung

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
ABC Keramik, Heuschel et al.: Dt. Verlag für Grundstoffindustrie Leipzig 1990 *
Ergänzungsband zu Bd. 58, Teil A, S. 863-65, 1961 *
Firmenprospekt der Degusda AG, Kollektion 202, 1987 *
Gmelins Handbuch der anorganischen Chemie, Bd. 58,Teil A, S. 469 (1932) *
HAASE, T.: Keramik, Dt. Verlag für Grundstoff- industrie Leipzig 1970 *
KLOCKMANN, Friedrich: Lehrbuch der Mineralogie Ferd, Enke Verlag Stuttgart 1978 *
NOLL, W.: Chemie vor unserer Zeit: Antike PigmenteChemie in unserer Zeit, 14. Jahrgang, 1980, Nr. 2, S. 37 und 43 *
RIEDEL, G., et al.: In Hermsdorfer techn. Mitt. 76, 1989, S. 2421 ff *
Silicat Lexikon, Akademie-Verlag Berlin, 1985 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005068392A1 (de) * 2004-01-19 2005-07-28 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

Also Published As

Publication number Publication date
DE4124630C2 (enExample) 1993-07-08
BR9202845A (pt) 1993-03-30
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

Similar Documents

Publication Publication Date Title
DE2635030C3 (de) Aus keramischer Masse bestehende Kugeln
EP0090241B1 (de) Thermostabile Eisenoxidpigmente
DE69634164T2 (de) Aluminiumoxydteilchen mit erhöhter Dispergierbarkeit und Plastizität und Verfahren zu ihrer Herstellung
EP0082985A1 (de) Perlglanzpigmente, Verfahren zu ihrer Herstellung und ihre Verwendung
DE1959998B2 (de) Perlglanzpigmente und verfahren zu ihrer herstellung
EP0595081B1 (de) Schleifkorn auf der Basis von Zirkonkorund, Verfahren zu seiner Herstellung und dessen Verwendung
EP0154919B1 (de) Verfahren zur Herstellung von gelbbraunen Zinkferritpigmenten
EP0284699B1 (de) Intermetallische Verbindung und ihre Verwendung
EP0455933B1 (de) Umhüllte Spinell-Farbpigmente, Verfahren zu ihrer Herstellung und Verwendung
EP0524519B1 (de) Farbiger Korund, Verfahren zu seiner Herstellung sowie dessen Verwendung
EP0659507B1 (de) Kobaltmetallpulver sowie daraus hergestellte Verbundsinterkörper
DE69007346T2 (de) Überglasuren für Töpferware und Verfahren zu ihrer Herstellung.
EP0933404A2 (de) Rotbraun ausbrennende Farbkörper, Verfahren zu deren Herstellung und deren Verwendung
DE3042959A1 (de) Verfahren zur herstellung von feinteiligem hochkoerzitivem bariumferrit, sowie seine verwendung zur herstellung von magnetischen aufzeichnungstraegern
DE19502231A1 (de) Effektpigment mit dunkler Körperfarbe
DE3429678C2 (enExample)
DE3301897C2 (de) Wäßrige Kunststoff-Dispersionsfarbe mit Buntpigment
EP0504599B1 (de) Einschlusspigmente aus Zirkoniumsilikat mit Spinelleinschlüssen, deren Herstellung und Verwendung
EP1031536A1 (de) Tantal(V)-nitrid-Pigmente, Verfahren zu deren Herstellung und deren Verwendung
DE2334541C3 (de) Verfahren zur Herstellung eines korrosionsinhibierenden Metallmolybdatpigmentes
DE312090C (de) Verfahren zur herstellung von titanpigmenten
DE873070C (de) Harter, verschleissfester, vorzugsweise als Schleifmittel verwendbarer Stoff und Verfahren zu seiner Herstellung
AT126130B (de) Verfahren zur Herstellung eines Stoffes zum Schutze von Flächen gegen Rost, Korrosion, Fäulnis, Hitze, Feuer usw.
DE3401347C2 (enExample)
AT334478B (de) Verfahren zur herstellung von gestreckten korrosionshemmenden an der teilchenoberflache mit einer schichtformigen ablagerung versehenen pigmenten

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