DE4124630A1 - Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendung - Google Patents
Farbiger korund, verfahren zu seiner herstellung sowie dessen verwendungInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000010431 corundum Substances 0.000 claims abstract description 54
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 54
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 17
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 17
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 20
- 239000000049 pigment Substances 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000003980 solgel method Methods 0.000 claims description 4
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 description 16
- 238000005245 sintering Methods 0.000 description 7
- 238000004040 coloring Methods 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000006103 coloring component Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910004767 CaSn Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 241000640882 Condea Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000006887 Ullmann reaction Methods 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- DIVGJYVPMOCBKD-UHFFFAOYSA-N [V].[Zr] Chemical compound [V].[Zr] DIVGJYVPMOCBKD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000010981 turquoise Substances 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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)
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)
| 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)
| 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)
| 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)
| 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 |
-
1991
- 1991-07-25 DE DE4124630A patent/DE4124630A1/de active Granted
-
1992
- 1992-07-08 US US07/910,439 patent/US5256611A/en not_active Expired - Fee Related
- 1992-07-13 AT AT92111879T patent/ATE132472T1/de not_active IP Right Cessation
- 1992-07-13 EP EP92111879A patent/EP0524519B1/de not_active Revoked
- 1992-07-13 DE DE59204889T patent/DE59204889D1/de not_active Revoked
- 1992-07-20 JP JP4213196A patent/JPH07196359A/ja active Pending
- 1992-07-22 CA CA002074402A patent/CA2074402A1/en not_active Abandoned
- 1992-07-23 BR BR929202845A patent/BR9202845A/pt not_active Application Discontinuation
Patent Citations (9)
| 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)
| 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)
| 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 |
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