DE59200406D1 - Verfahren zur Herstellung von gesintertem Material auf Basis von alpha-Aluminiumoxid, insbesondere für Schleifmittel. - Google Patents

Verfahren zur Herstellung von gesintertem Material auf Basis von alpha-Aluminiumoxid, insbesondere für Schleifmittel.

Info

Publication number
DE59200406D1
DE59200406D1 DE59200406T DE59200406T DE59200406D1 DE 59200406 D1 DE59200406 D1 DE 59200406D1 DE 59200406 T DE59200406 T DE 59200406T DE 59200406 T DE59200406 T DE 59200406T DE 59200406 D1 DE59200406 D1 DE 59200406D1
Authority
DE
Germany
Prior art keywords
sintered material
abrasives
production
material based
alpha alumina
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.)
Expired - Fee Related
Application number
DE59200406T
Other languages
English (en)
Inventor
Dijen Franciscus Dr Ing Van
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.)
Imerys Fused Minerals Laufenburg 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=4219935&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59200406(D1) "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
Application granted granted Critical
Publication of DE59200406D1 publication Critical patent/DE59200406D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • 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
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
DE59200406T 1991-06-21 1992-06-19 Verfahren zur Herstellung von gesintertem Material auf Basis von alpha-Aluminiumoxid, insbesondere für Schleifmittel. Expired - Fee Related DE59200406D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH184491 1991-06-21

Publications (1)

Publication Number Publication Date
DE59200406D1 true DE59200406D1 (de) 1994-09-29

Family

ID=4219935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59200406T Expired - Fee Related DE59200406D1 (de) 1991-06-21 1992-06-19 Verfahren zur Herstellung von gesintertem Material auf Basis von alpha-Aluminiumoxid, insbesondere für Schleifmittel.

Country Status (17)

Country Link
US (1) US5236471A (de)
EP (1) EP0524436B1 (de)
JP (1) JPH05194026A (de)
CN (1) CN1068092A (de)
AT (1) ATE110353T1 (de)
BR (1) BR9202236A (de)
CA (1) CA2071593A1 (de)
CZ (1) CZ188492A3 (de)
DE (1) DE59200406D1 (de)
ES (1) ES2060438T3 (de)
HU (1) HUT61949A (de)
MX (1) MX9202929A (de)
NO (1) NO922439L (de)
PL (1) PL294867A1 (de)
RU (1) RU2076083C1 (de)
TR (1) TR25916A (de)
ZA (1) ZA924471B (de)

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CN102643628A (zh) * 2012-03-13 2012-08-22 杭州智华杰科技有限公司 水晶玻璃用抛光粉的生产方法
WO2014123153A1 (ja) * 2013-02-08 2014-08-14 昭和電工株式会社 アルミナ焼結体、砥粒、砥石、研磨布、及びアルミナ焼結体の製造方法
KR101504118B1 (ko) 2013-06-11 2015-03-19 (주)티피에스 고온 진공소결로를 이용한 고순도 고밀도 알루미나의 제조방법
US10562783B2 (en) 2015-10-20 2020-02-18 Fujimi Incorporated Processing of alumina
RU2625104C1 (ru) * 2016-06-09 2017-07-11 Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) Способ получения субмикронного порошка альфа-оксида алюминия
DE102018132842A1 (de) 2018-12-19 2020-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Abscheiden einer Aluminiumoxid-Schicht sowie ein Kunststoff- oder Glassubstrat mit einer darauf abgeschiedenen Aluminiumoxid-Schicht
CN110304906A (zh) * 2019-06-10 2019-10-08 青海万加环保新材料有限公司 一种氧化铝研磨球的制备方法
CN114988886B (zh) * 2022-06-01 2023-05-12 洛阳中超新材料股份有限公司 可低温烧结的高纯α-氧化铝粉的制备方法

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Also Published As

Publication number Publication date
EP0524436B1 (de) 1994-08-24
TR25916A (tr) 1993-11-01
MX9202929A (es) 1992-12-01
NO922439L (no) 1992-12-22
ATE110353T1 (de) 1994-09-15
ZA924471B (en) 1993-03-31
ES2060438T3 (es) 1994-11-16
EP0524436A1 (de) 1993-01-27
CN1068092A (zh) 1993-01-20
NO922439D0 (no) 1992-06-19
HU9202063D0 (en) 1992-10-28
US5236471A (en) 1993-08-17
JPH05194026A (ja) 1993-08-03
HUT61949A (en) 1993-03-29
RU2076083C1 (ru) 1997-03-27
BR9202236A (pt) 1993-02-02
CZ188492A3 (en) 1993-01-13
CA2071593A1 (en) 1992-12-22
PL294867A1 (en) 1993-03-22

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: KORUND LAUFENBURG GMBH, 79725 LAUFENBURG, DE

8339 Ceased/non-payment of the annual fee