DE69010646T2 - Keramische Mikrokugeln. - Google Patents

Keramische Mikrokugeln.

Info

Publication number
DE69010646T2
DE69010646T2 DE69010646T DE69010646T DE69010646T2 DE 69010646 T2 DE69010646 T2 DE 69010646T2 DE 69010646 T DE69010646 T DE 69010646T DE 69010646 T DE69010646 T DE 69010646T DE 69010646 T2 DE69010646 T2 DE 69010646T2
Authority
DE
Germany
Prior art keywords
micrometers
microsphere
range
particle size
size less
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
DE69010646T
Other languages
English (en)
Other versions
DE69010646D1 (de
Inventor
Kenong Xia
Thomas Keith Smith
Raymond Walter Shaw
Christopher John Heathcock
Leslie Charles Edwards
Malcolm James Couper
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.)
Rio Tinto Aluminium Ltd
Original Assignee
Comalco Aluminum Ltd
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
Application filed by Comalco Aluminum Ltd filed Critical Comalco Aluminum Ltd
Application granted granted Critical
Publication of DE69010646D1 publication Critical patent/DE69010646D1/de
Publication of DE69010646T2 publication Critical patent/DE69010646T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C04B35/16—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 silicates other than clay
    • C04B35/18—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 silicates other than clay rich in aluminium oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
DE69010646T 1989-12-22 1990-12-21 Keramische Mikrokugeln. Expired - Fee Related DE69010646T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ800989 1989-12-22
AUPK004590 1990-05-09

Publications (2)

Publication Number Publication Date
DE69010646D1 DE69010646D1 (de) 1994-08-18
DE69010646T2 true DE69010646T2 (de) 1994-11-10

Family

ID=25643797

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010646T Expired - Fee Related DE69010646T2 (de) 1989-12-22 1990-12-21 Keramische Mikrokugeln.

Country Status (14)

Country Link
US (1) US5175133A (de)
EP (1) EP0434461B1 (de)
JP (1) JPH04263002A (de)
KR (1) KR0154119B1 (de)
CN (1) CN1056674A (de)
AT (1) ATE108425T1 (de)
BR (1) BR9006590A (de)
CA (1) CA2033131A1 (de)
DE (1) DE69010646T2 (de)
ES (1) ES2056394T3 (de)
IE (1) IE904650A1 (de)
NZ (1) NZ236638A (de)
TW (1) TW235290B (de)
WO (1) WO1991009815A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005027462B4 (de) * 2004-06-16 2011-01-20 Honda Motor Co., Ltd. Zylinderblock
DE102011014498A1 (de) * 2011-03-18 2012-09-20 Outotec Oyj Klinkerersatzstoff
WO2021140095A1 (de) 2020-01-09 2021-07-15 Thyssenkrupp Industrial Solutions Ag Vorrichtung und verfahren zur thermischen behandlung mineralischer feststoffe
DE102020200186A1 (de) 2020-01-09 2021-07-15 Thyssenkrupp Ag Verfahren zur Wärmebehandlung und Farboptimierung von natürlichen Tonen
BE1027979A1 (de) 2020-01-09 2021-08-03 Thyssenkrupp Ind Solutions Ag Verfahren zur Wärmebehandlung und Farboptimierung von natürlichen Tonen

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3102205B2 (ja) * 1993-05-13 2000-10-23 トヨタ自動車株式会社 アルミニウム合金製摺動部材
US7426961B2 (en) * 2002-09-03 2008-09-23 Bj Services Company Method of treating subterranean formations with porous particulate materials
JP2002079744A (ja) * 2000-09-07 2002-03-19 Canon Inc 記録媒体とその製造方法およびそれを用いた画像形成方法
US6372678B1 (en) 2000-09-28 2002-04-16 Fairmount Minerals, Ltd Proppant composition for gas and oil well fracturing
US8545583B2 (en) 2000-11-17 2013-10-01 Wayne O. Duescher Method of forming a flexible abrasive sheet article
US7520800B2 (en) 2003-04-16 2009-04-21 Duescher Wayne O Raised island abrasive, lapping apparatus and method of use
US8256091B2 (en) 2000-11-17 2012-09-04 Duescher Wayne O Equal sized spherical beads
US7632434B2 (en) 2000-11-17 2009-12-15 Wayne O. Duescher Abrasive agglomerate coated raised island articles
US8062098B2 (en) 2000-11-17 2011-11-22 Duescher Wayne O High speed flat lapping platen
CA2328285A1 (fr) 2000-12-15 2002-06-15 Gauthier, Alain Blindage anti projectile a charge creuse
US7036591B2 (en) * 2002-10-10 2006-05-02 Carbo Ceramics Inc. Low density proppant
CA2519144C (en) 2003-03-18 2008-12-23 Bj Services Company Method of treating subterranean formations using mixed density proppants or sequential proppant stages
MXPA06011762A (es) * 2004-04-12 2007-04-13 Carbo Ceramics Inc Revestimiento y/o tratamiento de agentes de apoyo para la facturacion hidraulica para mejorar la humectabilidad, la lubricacion de agentes de apoyo y/o para la reduccion del dano por fluidos fracturantes y fluidos de deposito.
MX2007000072A (es) 2004-07-09 2007-03-27 Carbo Ceramics Inc Metodo para producir particulas ceramicas solidas utilizando un proceso de secado por pulverizacion.
CA2577998A1 (en) 2004-09-14 2006-03-23 Carbo Ceramics Inc. Sintered spherical pellets
BRPI0609373A2 (pt) 2005-03-01 2010-03-30 Carbo Ceramics Inc métodos para produzir partìculas sinterizadas de uma lama de um material bruto contendo alumina
US20070023187A1 (en) * 2005-07-29 2007-02-01 Carbo Ceramics Inc. Sintered spherical pellets useful for gas and oil well proppants
DE102005045180B4 (de) 2005-09-21 2007-11-15 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Kugelförmige Korundkörner auf Basis von geschmolzenem Aluminiumoxid sowie ein Verfahren zu ihrer Herstellung
CN101291885A (zh) * 2005-10-19 2008-10-22 卡博陶粒有限公司 低热膨胀铸造介质
US7828998B2 (en) 2006-07-11 2010-11-09 Carbo Ceramics, Inc. Material having a controlled microstructure, core-shell macrostructure, and method for its fabrication
CN101563525A (zh) 2006-08-30 2009-10-21 卡博陶粒有限公司 低堆积密度支撑剂及其制备方法
US8562900B2 (en) 2006-09-01 2013-10-22 Imerys Method of manufacturing and using rod-shaped proppants and anti-flowback additives
WO2008046074A2 (en) * 2006-10-13 2008-04-17 Ek Roger B Ferrosilicate proppant and granule composition
WO2009009370A1 (en) 2007-07-06 2009-01-15 Carbo Ceramics Inc. Proppants for gel clean-up
US7950455B2 (en) 2008-01-14 2011-05-31 Baker Hughes Incorporated Non-spherical well treating particulates and methods of using the same
IL192894A0 (en) * 2008-07-17 2011-08-01 Moshe Ravid Armor panel
US8205675B2 (en) * 2008-10-09 2012-06-26 Baker Hughes Incorporated Method of enhancing fracture conductivity
US8283271B2 (en) * 2008-10-31 2012-10-09 Saint-Gobain Ceramics & Plastics, Inc. High strength proppants
AU2014200669B2 (en) * 2008-10-31 2015-11-19 Saint-Gobain Ceramics & Plastics, Inc. High strength proppants
US9920610B2 (en) 2012-06-26 2018-03-20 Baker Hughes, A Ge Company, Llc Method of using diverter and proppant mixture
US10041327B2 (en) 2012-06-26 2018-08-07 Baker Hughes, A Ge Company, Llc Diverting systems for use in low temperature well treatment operations
US9033040B2 (en) 2011-12-16 2015-05-19 Baker Hughes Incorporated Use of composite of lightweight hollow core having adhered or embedded cement in cementing a well
BR112014030286A2 (pt) * 2012-06-04 2017-06-27 Imerys Oilfield Minerals Inc aditivos antirrefluxo e propantes que compreendem argila rapidamente calcinada, métodos de fabricação e métodos de uso
US10988678B2 (en) 2012-06-26 2021-04-27 Baker Hughes, A Ge Company, Llc Well treatment operations using diverting system
US11111766B2 (en) 2012-06-26 2021-09-07 Baker Hughes Holdings Llc Methods of improving hydraulic fracture network
AU2013280404B2 (en) 2012-06-26 2017-02-02 Baker Hughes Incorporated Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations
BR112014032573A2 (pt) 2012-06-26 2017-06-27 Baker Hughes Inc métodos de melhorar rede de fratura hidráulica
KR20150040309A (ko) 2012-08-01 2015-04-14 옥세인 머티리얼스, 인크. 합성 프로판트 및 단분산 프로판트 및 그의 제조 방법
US9429006B2 (en) 2013-03-01 2016-08-30 Baker Hughes Incorporated Method of enhancing fracture conductivity
CA2849415C (en) 2013-04-24 2017-02-28 Robert D. Skala Methods for fracturing subterranean formations
CN103240402B (zh) * 2013-05-17 2018-03-09 山西银光华盛镁业股份有限公司 一种颗粒增强铝基复合材料铸锭的生产方法
AU2015301423B2 (en) 2014-08-15 2019-01-17 Baker Hughes, A Ge Company, Llc Diverting systems for use in well treatment operations
US20170145527A1 (en) 2015-11-24 2017-05-25 Premier Industries, LLC System and Method for Forming Spherical Silica-Based Proppant and Pig Iron Utilizing Mining Slag
RU2619603C1 (ru) * 2016-01-18 2017-05-17 Акционерное общество "Боровичский комбинат огнеупоров" Проппант и способ получения проппанта
US11427507B2 (en) 2016-12-31 2022-08-30 Certainteed Llc Mineral roofing granules and methods for making them
CN113249629B (zh) * 2021-05-08 2022-06-10 中国科学院福建物质结构研究所 一种多孔金属衰减陶瓷及其制备方法和应用
CN114751767B (zh) * 2022-04-07 2023-05-12 河南城建学院 一种用于超高性能混凝土内养护的多孔骨料及其制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763603A (en) * 1971-04-16 1973-10-09 Norton Co Aluminum oxide pressure blasting abrasives and method of making
CA1045027A (en) * 1975-09-26 1978-12-26 Walter A. Hedden Hydraulic fracturing method using sintered bauxite propping agent
US4440866A (en) * 1980-07-07 1984-04-03 A/S Niro Atomizer Process for the production of sintered bauxite spheres
US4879181B1 (en) * 1982-02-09 1994-01-11 Carbo Ceramics Inc. Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants
US4427068A (en) * 1982-02-09 1984-01-24 Kennecott Corporation Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants
US4623630A (en) * 1982-02-09 1986-11-18 Standard Oil Proppants Company Use of uncalcined/partially calcined ingredients in the manufacture of sintered pellets useful for gas and oil well proppants
US4894285B1 (en) * 1982-02-09 1994-01-11 Carbo Ceramics Inc. Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants
US4668645A (en) * 1984-07-05 1987-05-26 Arup Khaund Sintered low density gas and oil well proppants from a low cost unblended clay material of selected composition
US4713203A (en) * 1985-05-23 1987-12-15 Comalco Aluminium Limited Bauxite proppant
US4639427A (en) * 1985-06-28 1987-01-27 Norton Company Stress-corrosion resistant proppant for oil and gas wells
NZ223964A (en) * 1987-04-03 1991-02-26 Comalco Alu Filter containing sintered ultrafine bauxite particles for use with fluids at high temperatures
US4921820A (en) * 1989-01-17 1990-05-01 Norton-Alcoa Proppants Lightweight proppant for oil and gas wells and methods for making and using same
GR1000390B (el) * 1988-11-22 1992-06-30 Comalco Alu Κεραμικες μικροσφαιρες

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005027462B4 (de) * 2004-06-16 2011-01-20 Honda Motor Co., Ltd. Zylinderblock
DE102011014498A1 (de) * 2011-03-18 2012-09-20 Outotec Oyj Klinkerersatzstoff
DE102011014498B4 (de) * 2011-03-18 2013-04-25 Outotec Oyj Verfahren zur Herstellung eines Klinkerersatzstoffes, Klinkerersatzstoff, Verwendung des Klinkerersatzstoffs, Zementklinker, Zement, Mörtel oder Beton, Verfahren zur Herstellung des Zementklinkers oder eines Baustoffs und Bauwerk
US8906155B2 (en) 2011-03-18 2014-12-09 Outotec Oyj Clinker substitute based on calcined clay
WO2021140095A1 (de) 2020-01-09 2021-07-15 Thyssenkrupp Industrial Solutions Ag Vorrichtung und verfahren zur thermischen behandlung mineralischer feststoffe
DE102020200186A1 (de) 2020-01-09 2021-07-15 Thyssenkrupp Ag Verfahren zur Wärmebehandlung und Farboptimierung von natürlichen Tonen
BE1027979A1 (de) 2020-01-09 2021-08-03 Thyssenkrupp Ind Solutions Ag Verfahren zur Wärmebehandlung und Farboptimierung von natürlichen Tonen

Also Published As

Publication number Publication date
KR910011697A (ko) 1991-08-07
BR9006590A (pt) 1991-10-01
IE904650A1 (en) 1991-07-17
WO1991009815A1 (en) 1991-07-11
CN1056674A (zh) 1991-12-04
TW235290B (de) 1994-12-01
NZ236638A (en) 1992-02-25
ATE108425T1 (de) 1994-07-15
EP0434461A1 (de) 1991-06-26
CA2033131A1 (en) 1991-11-10
KR0154119B1 (ko) 1998-11-16
EP0434461B1 (de) 1994-07-13
DE69010646D1 (de) 1994-08-18
US5175133A (en) 1992-12-29
JPH04263002A (ja) 1992-09-18
ES2056394T3 (es) 1994-10-01

Similar Documents

Publication Publication Date Title
DE69010646D1 (de) Keramische Mikrokugeln.
BR9300492A (pt) Processo para a producao de particulas de alfa alumina,alumina em po fina,e suspensao para polimento
TW237473B (en) Polishing material
IT8519142A0 (it) Alfa allumina sotto forma di particelle sferiche, non aggregate, a distribuzione granulometrica ristretta e di dimensioni inferiori a 2 micron, e processo per la sua preparazione.
CA2212508A1 (en) Improved abrasives by concurrent fire-comminuting and sintering of sol-gel alumina
KR910015498A (ko) 산화물 분말의 제조방법, 산화물 소결체와 그의 제조방법 및 그것들로 구성된 타겟
CA2124394A1 (en) Method of making an abrasive compact
EP0581651A3 (en) Materials in the form of colored spherical fine particles, processes for producing the same and cosmetic compositions containing the particulate material
KR860008104A (ko) 알루미나-지지연마 입자생성을 위한 졸-겔공정
NO175971B1 (no) Sintrede sol-gel aluminabaserte filamentaere abrasive partikler.
KR870001286A (ko) 메모리 하드 디스크의 연마용 조성물
KR950000305A (ko) 가소성 유연숫돌
GB2251254B (en) Calcium carbonate slurry
ES2097467T3 (es) Procedimiento de produccion de un material refractario de silice vitrea sinterizada.
KR930004432A (ko) 연마입자 준비 방법 및 연마입자를 둘러싸는 구형의 융해된 유리 미소구체
ATE88446T1 (de) Magnesiumoxid in form eines feinen pulvers und seine verwendung.
GB1383283A (en) Process for the wet grinding of materials
KR860007961A (ko) 실리콘 카바이드를 진동분쇄하는 방법
Garg Fine alpha alumina particles, their production and use
GB1164785A (en) Continuous Method of Making Abrasive Finishing Materials
Ayar et al. Use of Attritor Mill in Grinding of Calcined Alumina
Retschnig et al. Magnesium Oxide in Fine Powder Form and Its Use
Mouritz et al. The abrasive wear properties of some commercial epoxy resin/ceramic composites
TH8539B (th) วัสดุที่ใช้ขัดเงา
TH16473A (th) วัสดุที่ใช้ขัดเงา

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee