BR112014012106B1 - Partículas de óxido de alumínio contendo óxido de titânio à base de coríndon fundido em um forno de arco elétrico a partir de alumina calcinada, e método para sua produção - Google Patents

Partículas de óxido de alumínio contendo óxido de titânio à base de coríndon fundido em um forno de arco elétrico a partir de alumina calcinada, e método para sua produção Download PDF

Info

Publication number
BR112014012106B1
BR112014012106B1 BR112014012106-0A BR112014012106A BR112014012106B1 BR 112014012106 B1 BR112014012106 B1 BR 112014012106B1 BR 112014012106 A BR112014012106 A BR 112014012106A BR 112014012106 B1 BR112014012106 B1 BR 112014012106B1
Authority
BR
Brazil
Prior art keywords
weight
corundum
aluminum oxide
oxide particles
titanium oxide
Prior art date
Application number
BR112014012106-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112014012106A2 (pt
Inventor
Sebastian Sachse
Andreas Boerger
Alexander Kral
Original Assignee
Center For Abrasives And Refractories Research & Development C.A.R.R.D. 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
Application filed by Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh filed Critical Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh
Publication of BR112014012106A2 publication Critical patent/BR112014012106A2/pt
Publication of BR112014012106B1 publication Critical patent/BR112014012106B1/pt

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C01F7/38—Preparation of aluminium oxide by thermal reduction of aluminous minerals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • 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
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/027—Treatment involving fusion or vaporisation
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic 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
    • C04B35/653—Processes involving a melting step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5296—Constituents or additives characterised by their shapes with a defined aspect ratio, e.g. indicating sphericity
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2244—Oxides; Hydroxides of metals of zirconium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2265—Oxides; Hydroxides of metals of iron
    • C08K2003/2272—Ferric oxide (Fe2O3)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Food Science & Technology (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Nonmetallic Welding Materials (AREA)
BR112014012106-0A 2011-11-25 2012-11-23 Partículas de óxido de alumínio contendo óxido de titânio à base de coríndon fundido em um forno de arco elétrico a partir de alumina calcinada, e método para sua produção BR112014012106B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011087147.0 2011-11-25
DE102011087147.0A DE102011087147B4 (de) 2011-11-25 2011-11-25 Titanoxidhaltige Aluminiumoxidpartikel auf Basis von im elektrischen Lichtbogenofen aus kalzinierter Tonerde geschmolzenem Korund sowie ein Verfahren zu deren Herstellung und ihre Verwendung
PCT/EP2012/073471 WO2013076249A2 (de) 2011-11-25 2012-11-23 Titanoxidhaltige aluminiumoxidpartikel auf basis von im elektrischen lichtbogenofen aus kalzinierter tonerde geschmolzenem korund sowie ein verfahren zu deren herstellung

Publications (2)

Publication Number Publication Date
BR112014012106A2 BR112014012106A2 (pt) 2017-08-22
BR112014012106B1 true BR112014012106B1 (pt) 2021-07-27

Family

ID=47429738

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014012106-0A BR112014012106B1 (pt) 2011-11-25 2012-11-23 Partículas de óxido de alumínio contendo óxido de titânio à base de coríndon fundido em um forno de arco elétrico a partir de alumina calcinada, e método para sua produção

Country Status (9)

Country Link
US (1) US9163128B2 (enExample)
EP (1) EP2782871B1 (enExample)
JP (1) JP6034395B2 (enExample)
KR (1) KR101577924B1 (enExample)
CN (1) CN103958413B (enExample)
BR (1) BR112014012106B1 (enExample)
DE (1) DE102011087147B4 (enExample)
RU (1) RU2582399C2 (enExample)
WO (1) WO2013076249A2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011087147B4 (de) 2011-11-25 2015-02-26 C.A.R.R.D. Gmbh Titanoxidhaltige Aluminiumoxidpartikel auf Basis von im elektrischen Lichtbogenofen aus kalzinierter Tonerde geschmolzenem Korund sowie ein Verfahren zu deren Herstellung und ihre Verwendung
DE102013111006B4 (de) * 2013-10-04 2015-10-22 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Polykristalline poröse Al2O3-Körper auf Basis von geschmolzenem Aluminiumoxid mit erhöhter Zähigkeit
RU2620800C1 (ru) * 2015-12-08 2017-05-29 федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) Способ получения плавленого корунда
CN105622074A (zh) * 2016-01-03 2016-06-01 安徽律正科技信息服务有限公司 一种用于金属精细研磨的研磨石
EP3475378B1 (en) * 2016-06-28 2020-09-02 Showa Denko K.K. Electrofused alumina grains, production method for electrofused alumina grains, grinding stone, and coated abrasive
CN109092514B (zh) * 2018-07-25 2021-04-06 信阳核工业新材料有限公司 一种高流动性石英粉的制备方法
CN109181642B (zh) * 2018-10-08 2020-11-03 贵州银星新材料科技有限公司 一种半脆刚玉磨料及其制备方法
CN112592162A (zh) * 2020-12-15 2021-04-02 洛阳利尔功能材料有限公司 一种电熔白刚玉生产工艺
KR20230171168A (ko) 2022-06-13 2023-12-20 주식회사 엔디소프트 화자분할 기술이 적용된 앱을 이용한 단말기 음성 대화 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111668A (en) * 1976-06-01 1978-09-05 The Carborundum Company Fused aluminum oxide abrasive grain containing reduced titanium oxide
US4157898A (en) 1976-06-01 1979-06-12 The Carborundum Company Fused aluminum oxide abrasive grain containing reduced titanium oxide
DE2658124C3 (de) * 1976-12-22 1982-05-06 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Elektroschmelzkorund
DE3408952C2 (de) 1984-03-12 1986-08-28 Richard Dipl.-Chem. 7888 Rheinfelden Sroka Verfahren zur Herstellung von Korund durch reduzierendes Schmelzen von Bauxit im elektrischen Lichtbogen
AT379979B (de) * 1984-08-01 1986-03-25 Treibacher Chemische Werke Ag Verfahren zur herstellung von schleifmitteln
SU1713886A1 (ru) * 1989-06-12 1992-02-23 Ленинградский Технологический Институт Им.Ленсовета Способ получени смешанных оксидов алюмини и титана
CN1026404C (zh) * 1991-02-13 1994-11-02 郑州市硅铝材料联营公司 Al2O3含量高于98.5％的电器刚玉的生产方法
ATE167225T1 (de) * 1993-04-30 1998-06-15 Hermes Schleifmittel Gmbh & Co Keramisches korundschleifmittel
DE4339031C1 (de) 1993-11-15 1995-01-12 Treibacher Chemische Werke Ag Verfahren und Vorrichtung zur Herstellung eines Schleifmittels auf Basis Korund
JP3409826B2 (ja) * 1994-09-10 2003-05-26 謙次郎 上神 硬化アルミナ質材料
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
RU2329238C1 (ru) * 2006-11-02 2008-07-20 Юлия Алексеевна Щепочкина Шихта для изготовления огнеупорных изделий
EP2132003B1 (en) * 2007-03-14 2014-03-05 Saint-Gobain Abrasives, Inc. Bonded abrasive article
EP2406038B1 (en) * 2009-03-11 2022-01-05 Saint-Gobain Abrasives, Inc. Abrasive articles including fused zirconia alumina grain having an improved shape
FR2948657B1 (fr) * 2009-07-28 2013-01-04 Saint Gobain Ct Recherches Grains fondus d'oxydes comprenant al, ti et produits ceramiques comportant de tels grains
DE102011087147B4 (de) 2011-11-25 2015-02-26 C.A.R.R.D. Gmbh Titanoxidhaltige Aluminiumoxidpartikel auf Basis von im elektrischen Lichtbogenofen aus kalzinierter Tonerde geschmolzenem Korund sowie ein Verfahren zu deren Herstellung und ihre Verwendung

Also Published As

Publication number Publication date
EP2782871A2 (de) 2014-10-01
RU2014125555A (ru) 2015-12-27
US9163128B2 (en) 2015-10-20
KR101577924B1 (ko) 2015-12-15
CN103958413B (zh) 2016-01-13
WO2013076249A2 (de) 2013-05-30
CN103958413A (zh) 2014-07-30
JP6034395B2 (ja) 2016-11-30
KR20140095570A (ko) 2014-08-01
RU2582399C2 (ru) 2016-04-27
US20150175769A1 (en) 2015-06-25
EP2782871B1 (de) 2019-01-09
DE102011087147B4 (de) 2015-02-26
WO2013076249A3 (de) 2013-08-01
JP2015501777A (ja) 2015-01-19
DE102011087147A1 (de) 2013-05-29
BR112014012106A2 (pt) 2017-08-22

Similar Documents

Publication Publication Date Title
BR112014012106B1 (pt) Partículas de óxido de alumínio contendo óxido de titânio à base de coríndon fundido em um forno de arco elétrico a partir de alumina calcinada, e método para sua produção
Jackson et al. High performance grinding and advanced cutting tools
TWI537233B (zh) High zirconia material electroformed refractory (1)
BR102013004515A2 (pt) Molde para fundir um artigo contendo titânio, composição de molde, composição de revestimento de face de um molde, método para formar um molde para fundir um artigo contendo titânio, método de fundição de titânio e ligas de titânio e artigo de titânio ou liga de titânio produzido pelo método de fundição
CN1236756A (zh) 由锆石和氧化锆制造的新烧结材料
KR20180072679A (ko) 규조암 제품
HU222034B1 (hu) Alumínium-oxid-cirkónium-oxid-szilícium-oxid-alapú, javított mikroszerkezetű termékek
TWI593658B (zh) High zirconia electroformed refractory
CN105745040A (zh) 含碳化硅的模具和表面涂层组合物，以及铸造钛和铝化钛合金的方法
CN100417701C (zh) 基于氧化铝和氧化镁的熔融陶瓷颗粒
CN109320218B (zh) 一种铝锆耐火材料砖及其制备方法
BR112012002586B1 (pt) Grão fundido e ferramenta abrasiva
JPS63503058A (ja) ガラス又はガラスセラミックよりなる表面品質と寸法精度との優れた構成部材を成形するためのプレス工具に酸化物セラミック材料を使用する方法
AU611998B2 (en) Thin ceramic articles obtained fusing and casting in a mold a composition of the system al2o-zro2-sio2-k2o which have good mechanical strength and abrasion resistance properties
CA3014862A1 (en) Tube body that is to be used in high-temperature atmosphere and method for forming metal oxide layer on inner surface of tube body
CN105960296B (zh) 含有碳化硅的铸模和表面涂层组合物及铸造钛和铝化钛合金的方法
CN105592981B (zh) 具有增加的韧性的基于熔融氧化铝的多晶多孔Al2O3本体及其用途
WO2014202479A1 (en) Abrasive grains on basis of eutectic alumina zirconia
TW201402519A (zh) 高氧化鋯質電鑄耐火物
JPS59157255A (ja) 超精密鏡面加工用アルミニウム合金素材
Jackson Nanostructured abrasive materials for ultraprecision finishing of high-performance materials
Passos et al. The influence of titanium and iron oxides on the coloring and friability of the blue fired aluminum oxide as an abrasive material
KR20240114752A (ko) 우수한 기계 가공성을 갖는 치과용 산화물 세라믹스 가소체 및 그 제조 방법
Jackson et al. Micro-and Nanocrystalline-Fused Aluminum Oxide Abrasives Manufactured by Mechanical Stirring
RU2717593C2 (ru) Способ переработки лома отработанных плавленолитых бадделеитокорундовых материалов

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/11/2012, OBSERVADAS AS CONDICOES LEGAIS.