[go: up one dir, main page]

DE69730439D1 - Schleifscheibe mit hoher permeabilität - Google Patents

Schleifscheibe mit hoher permeabilität

Info

Publication number
DE69730439D1
DE69730439D1 DE69730439T DE69730439T DE69730439D1 DE 69730439 D1 DE69730439 D1 DE 69730439D1 DE 69730439 T DE69730439 T DE 69730439T DE 69730439 T DE69730439 T DE 69730439T DE 69730439 D1 DE69730439 D1 DE 69730439D1
Authority
DE
Germany
Prior art keywords
grinding wheel
high permeability
permeability
grinding
wheel
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 - Lifetime
Application number
DE69730439T
Other languages
English (en)
Other versions
DE69730439T2 (de
Inventor
Mianxue Wu
D Corbin
E Fox
Thomas Ellingson
A Carman
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton Co
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=24762270&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69730439(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Norton Co filed Critical Norton Co
Publication of DE69730439D1 publication Critical patent/DE69730439D1/de
Application granted granted Critical
Publication of DE69730439T2 publication Critical patent/DE69730439T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • B24D3/18Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings for porous or cellular structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
DE69730439T 1996-07-26 1997-06-23 Schleifscheibe mit hoher permeabilität Expired - Lifetime DE69730439T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US687884 1996-07-26
US08/687,884 US5738697A (en) 1996-07-26 1996-07-26 High permeability grinding wheels
PCT/US1997/010687 WO1998004386A1 (en) 1996-07-26 1997-06-23 High permeability grinding wheels

Publications (2)

Publication Number Publication Date
DE69730439D1 true DE69730439D1 (de) 2004-09-30
DE69730439T2 DE69730439T2 (de) 2005-10-13

Family

ID=24762270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730439T Expired - Lifetime DE69730439T2 (de) 1996-07-26 1997-06-23 Schleifscheibe mit hoher permeabilität

Country Status (17)

Country Link
US (1) US5738697A (de)
EP (1) EP0921909B9 (de)
JP (1) JP3636725B2 (de)
KR (1) KR100386764B1 (de)
CN (1) CN1068816C (de)
AR (1) AR007987A1 (de)
AT (1) ATE274400T1 (de)
AU (1) AU705572B2 (de)
BR (1) BR9710763A (de)
CA (1) CA2259682C (de)
CO (1) CO4810320A1 (de)
DE (1) DE69730439T2 (de)
ES (1) ES2227703T3 (de)
RU (1) RU2153411C1 (de)
TW (1) TW365565B (de)
WO (1) WO1998004386A1 (de)
ZA (1) ZA975955B (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059684A1 (de) * 1999-04-01 2000-10-12 Meister Schleifmittelwerk Ag Selbstschmierende abrasive werkzeuge und verfahren zu ihrer herstellung
US6702650B2 (en) 2000-05-09 2004-03-09 3M Innovative Properties Company Porous abrasive article having ceramic abrasive composites, methods of making, and methods of use
DE10025173A1 (de) * 2000-05-24 2001-11-29 Swarovski Tyrolit Schleif Verfahren zum Schleifen von insbesondere Nickel enthaltenden metallischen Werkstücken
AU2002213054A1 (en) * 2000-10-06 2002-04-15 3M Innovative Properties Company Ceramic aggregate particles
AU2002211508A1 (en) * 2000-10-16 2002-04-29 3M Innovative Properties Company Method of making an agglomerate particles
US6521004B1 (en) 2000-10-16 2003-02-18 3M Innovative Properties Company Method of making an abrasive agglomerate particle
ATE462774T1 (de) 2000-10-16 2010-04-15 3M Innovative Properties Co Verfahren zur herstellung von keramischen agglomeratteilchen
US6641627B2 (en) 2001-05-22 2003-11-04 3M Innovative Properties Company Abrasive articles
US6645263B2 (en) 2001-05-22 2003-11-11 3M Innovative Properties Company Cellular abrasive article
US6685755B2 (en) * 2001-11-21 2004-02-03 Saint-Gobain Abrasives Technology Company Porous abrasive tool and method for making the same
US7544114B2 (en) * 2002-04-11 2009-06-09 Saint-Gobain Technology Company Abrasive articles with novel structures and methods for grinding
US7090565B2 (en) * 2002-04-11 2006-08-15 Saint-Gobain Abrasives Technology Company Method of centerless grinding
US6988937B2 (en) * 2002-04-11 2006-01-24 Saint-Gobain Abrasives Technology Company Method of roll grinding
US6679758B2 (en) 2002-04-11 2004-01-20 Saint-Gobain Abrasives Technology Company Porous abrasive articles with agglomerated abrasives
US6773473B2 (en) * 2002-11-12 2004-08-10 Saint-Gobain Abrasives Technology Company Supercritical fluid extraction
US7344573B2 (en) * 2003-11-06 2008-03-18 Saint-Gobain Abrasives Technology Company Impregnation of grinding wheels using supercritical fluids
ATE390248T1 (de) * 2004-05-20 2008-04-15 Disco Corp Keramisch gebundene schleifscheibe und herstellungsverfahren derselben
JP4769488B2 (ja) * 2004-05-20 2011-09-07 株式会社ディスコ ビトリファイドボンド砥石の製造方法
US7722691B2 (en) 2005-09-30 2010-05-25 Saint-Gobain Abrasives, Inc. Abrasive tools having a permeable structure
CA2647881C (en) * 2006-04-04 2012-02-14 Saint-Gobain Abrasives, Inc. Infrared cured abrasive articles and method of manufacture
US7708619B2 (en) * 2006-05-23 2010-05-04 Saint-Gobain Abrasives, Inc. Method for grinding complex shapes
US8167962B2 (en) * 2007-04-10 2012-05-01 Saint-Gobain Abrasives, Inc. Pulpstone for long fiber pulp production
US8894731B2 (en) * 2007-10-01 2014-11-25 Saint-Gobain Abrasives, Inc. Abrasive processing of hard and /or brittle materials
US7658665B2 (en) * 2007-10-09 2010-02-09 Saint-Gobain Abrasives, Inc. Techniques for cylindrical grinding
CA2728253C (en) * 2008-06-13 2015-04-07 Saint-Gobain Abrasives, Inc. Self-bonded foamed abrasive articles and machining with such articles
CN102119071B (zh) 2008-06-23 2015-01-28 圣戈班磨料磨具有限公司 高孔隙率的玻璃化超级磨料产品以及制备方法
US8882868B2 (en) * 2008-07-02 2014-11-11 Saint-Gobain Abrasives, Inc. Abrasive slicing tool for electronics industry
CA2743808A1 (en) 2008-11-17 2010-05-20 Saint-Gobain Abrasives, Inc. Acrylate color-stabilized phenolic bound abrasive products and methods for making same
WO2010080401A2 (en) * 2008-12-19 2010-07-15 Saint-Gobain Abrasives, Inc. Bonded abrasive articles and methods of forming
CA2748353C (en) 2008-12-30 2014-04-08 Saint-Gobain Abrasifs Reinforced bonded abrasive tools
CA2762278A1 (en) * 2009-05-19 2010-11-25 Saint-Gobain Abrasives, Inc. Method and apparatus for roll grinding
US8628597B2 (en) * 2009-06-25 2014-01-14 3M Innovative Properties Company Method of sorting abrasive particles, abrasive particle distributions, and abrasive articles including the same
CA2770119C (en) * 2009-08-03 2015-07-21 Saint-Gobain Abrasives, Inc. Abrasive tool having controlled porosity distribution
EP2461944A4 (de) * 2009-08-03 2017-12-13 Saint-Gobain Abrasives, Inc. Schleifwerkzeug mit variabler partikelporosität
WO2011056680A2 (en) 2009-10-27 2011-05-12 Saint-Gobain Abrasives, Inc. Vitreous bonded abrasive
CA2779275A1 (en) 2009-10-27 2011-05-12 Saint-Gobain Abrasives, Inc. Resin bonded abrasive
KR20150063169A (ko) 2010-08-06 2015-06-08 생-고뱅 어브레이시브즈, 인코포레이티드 작업편 내의 복잡한 형상을 마무리 가공하기 위한 연삭 공구 및 방법
CN105713568B (zh) 2010-11-01 2018-07-03 3M创新有限公司 用于制备成形陶瓷磨粒的激光法、成形陶瓷磨粒以及磨料制品
DE102010062073A1 (de) * 2010-11-26 2012-05-31 Robert Bosch Gmbh Schneideelement mit integriertem Schmiermittel
RU2012154837A (ru) 2010-12-30 2015-02-10 Сэнт-Гобэн Эбрейзивс, Инк. Абразивный круг с утопленным центром и способ его изготовления
US8758461B2 (en) 2010-12-31 2014-06-24 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having particular shapes and methods of forming such particles
WO2013003830A2 (en) 2011-06-30 2013-01-03 Saint-Gobain Ceramics & Plastics, Inc. Abrasive articles including abrasive particles of silicon nitride
WO2013003831A2 (en) 2011-06-30 2013-01-03 Saint-Gobain Ceramics & Plastics, Inc. Liquid phase sintered silicon carbide abrasive particles
US9517546B2 (en) 2011-09-26 2016-12-13 Saint-Gobain Ceramics & Plastics, Inc. Abrasive articles including abrasive particulate materials, coated abrasives using the abrasive particulate materials and methods of forming
RU2588919C2 (ru) 2011-11-23 2016-07-10 Сэнт-Гобэн Эбрейзивс, Инк. Абразивное изделие для операций шлифования с ультравысокой скоростью удаления материала
JP5903502B2 (ja) 2011-12-30 2016-04-13 サン−ゴバン セラミックス アンド プラスティクス,インコーポレイティド 成形研磨粒子を備える粒子材料
US9266220B2 (en) 2011-12-30 2016-02-23 Saint-Gobain Abrasives, Inc. Abrasive articles and method of forming same
KR20140106713A (ko) 2011-12-30 2014-09-03 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 형상화 연마입자 및 이의 형성방법
CN104114664B (zh) 2011-12-30 2016-06-15 圣戈本陶瓷及塑料股份有限公司 形成成型研磨颗粒
WO2013106602A1 (en) 2012-01-10 2013-07-18 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having particular shapes and methods of forming such particles
CA2860755C (en) 2012-01-10 2018-01-30 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having complex shapes and methods of forming same
US9242346B2 (en) 2012-03-30 2016-01-26 Saint-Gobain Abrasives, Inc. Abrasive products having fibrillated fibers
EP4302955A3 (de) 2012-05-23 2024-04-17 Saint-Gobain Ceramics & Plastics, Inc. Geformte schleifpartikel und verfahren zur herstellung davon
WO2014005120A1 (en) 2012-06-29 2014-01-03 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having particular shapes and methods of forming such particles
TWI535535B (zh) * 2012-07-06 2016-06-01 聖高拜磨料有限公司 用於低速研磨操作之磨料物品
JP5982580B2 (ja) 2012-10-15 2016-08-31 サンーゴバン アブレイシブズ,インコーポレイティド 特定の形状を有する研磨粒子およびこのような粒子の形成方法
KR101818946B1 (ko) 2012-12-31 2018-01-17 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 미립자 소재 및 이의 형성방법
WO2014161001A1 (en) 2013-03-29 2014-10-02 Saint-Gobain Abrasives, Inc. Abrasive particles having particular shapes and methods of forming such particles
TW201502263A (zh) 2013-06-28 2015-01-16 Saint Gobain Ceramics 包含成形研磨粒子之研磨物品
CN110591645A (zh) 2013-09-30 2019-12-20 圣戈本陶瓷及塑料股份有限公司 成形磨粒及其形成方法
CN103537998A (zh) * 2013-11-08 2014-01-29 谢泽 一种以磨料为基础并含有发泡剂的磨轮的制备方法
CN103551976A (zh) * 2013-11-08 2014-02-05 谢泽 一种含纤维绳和热膨胀树脂空心微球的抛光轮的制备方法
WO2015102992A1 (en) 2013-12-31 2015-07-09 Saint-Gobain Abrasives, Inc. Abrasive article including shaped abrasive particles
US9771507B2 (en) 2014-01-31 2017-09-26 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particle including dopant material and method of forming same
JP6484647B2 (ja) 2014-04-14 2019-03-13 サン−ゴバン セラミックス アンド プラスティクス,インコーポレイティド 成形研磨粒子を含む研磨物品
CA3123554A1 (en) 2014-04-14 2015-10-22 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US9902045B2 (en) 2014-05-30 2018-02-27 Saint-Gobain Abrasives, Inc. Method of using an abrasive article including shaped abrasive particles
WO2016089915A1 (en) 2014-12-01 2016-06-09 Saint-Gobain Abrasives, Inc. Abrasive article including agglomerates having silicon carbide and an inorganic bond material
US9707529B2 (en) 2014-12-23 2017-07-18 Saint-Gobain Ceramics & Plastics, Inc. Composite shaped abrasive particles and method of forming same
US9914864B2 (en) 2014-12-23 2018-03-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and method of forming same
US9676981B2 (en) 2014-12-24 2017-06-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particle fractions and method of forming same
TWI634200B (zh) 2015-03-31 2018-09-01 聖高拜磨料有限公司 固定磨料物品及其形成方法
CN116967949A (zh) 2015-03-31 2023-10-31 圣戈班磨料磨具有限公司 固定磨料制品和其形成方法
US10711171B2 (en) 2015-06-11 2020-07-14 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
CN109415615A (zh) 2016-05-10 2019-03-01 圣戈本陶瓷及塑料股份有限公司 磨料颗粒及其形成方法
US20170335155A1 (en) 2016-05-10 2017-11-23 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles and methods of forming same
EP4349896A3 (de) 2016-09-29 2024-06-12 Saint-Gobain Abrasives, Inc. Feste schleifartikel und verfahren zur formung davon
CN106493650A (zh) * 2016-10-21 2017-03-15 吴迪 一种强韧性陶瓷砂轮的制备方法
US10836016B2 (en) 2016-12-23 2020-11-17 Saint-Gobain Abrasives, Inc. Abrasive articles including aggregates of silicon carbide in a vitrified bond
US10563105B2 (en) 2017-01-31 2020-02-18 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US10759024B2 (en) 2017-01-31 2020-09-01 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
CN107009287B (zh) * 2017-04-07 2023-02-10 江苏新砺河磨具科技有限公司 一种钢轨打磨砂轮的制造方法
US10865148B2 (en) 2017-06-21 2020-12-15 Saint-Gobain Ceramics & Plastics, Inc. Particulate materials and methods of forming same
SG11202009730YA (en) * 2018-03-30 2020-10-29 Saint Gobain Abrasives Inc Bonded abrasive article including a coating
CN114846112A (zh) 2019-12-27 2022-08-02 圣戈本陶瓷及塑料股份有限公司 磨料制品及其形成方法
EP4081369A4 (de) 2019-12-27 2024-04-10 Saint-Gobain Ceramics & Plastics Inc. Schleifartikel und verfahren zur formung davon
CN113829133A (zh) * 2021-09-27 2021-12-24 苏州赛尔特新材料有限公司 一种快速磨抛金刚石晶圆的方法
CN114714264B (zh) * 2022-04-22 2024-03-19 昆山耐信金刚石工具有限公司 超硬cbn陶瓷砂轮及其制备方法
KR102701006B1 (ko) * 2022-07-19 2024-08-29 가부시키가이샤 도쿄 다이아몬드 고우구세이사쿠쇼 합성 지석, 합성 지석 어셈블리, 및, 합성 지석의 제조 방법

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273984A (en) * 1963-07-18 1966-09-20 Norton Co Grinding wheel
US3547608A (en) * 1967-11-08 1970-12-15 Noboru Kitazawa Method of manufacturing an impregnated fibrous grinding article
US3537121A (en) * 1968-01-17 1970-11-03 Minnesota Mining & Mfg Cleaning and buffing product
US3847568A (en) * 1972-09-18 1974-11-12 Mwa Co Vitrified abrasive element
DE2942217A1 (de) * 1978-10-18 1980-04-30 Daichiku Co Ltd Hochgeschwindigkeitsschleifstein und verfahren zu seiner herstellung
CA1175665A (en) * 1981-02-02 1984-10-09 William F. Zimmer Abrasive article
JPS63209880A (ja) * 1987-02-26 1988-08-31 Fuji Photo Film Co Ltd 記録材料
US5312789A (en) * 1987-05-27 1994-05-17 Minnesota Mining And Manufacturing Company Abrasive grits formed of ceramic, impregnation method of making the same and products made therewith
US5244477A (en) * 1989-04-28 1993-09-14 Norton Company Sintered sol gel alumina abrasive filaments
US5103598A (en) * 1989-04-28 1992-04-14 Norton Company Coated abrasive material containing abrasive filaments
US5009676A (en) * 1989-04-28 1991-04-23 Norton Company Sintered sol gel alumina abrasive filaments
US5035723A (en) * 1989-04-28 1991-07-30 Norton Company Bonded abrasive products containing sintered sol gel alumina abrasive filaments
JPH03161273A (ja) * 1989-08-09 1991-07-11 Noritake Co Ltd 高速度工具鋼製圧延ロール研削用多孔性砥石
JPH0716880B2 (ja) * 1990-03-09 1995-03-01 株式会社ノリタケカンパニーリミテド 巨大気孔を備えた多孔性砥石
US5129919A (en) * 1990-05-02 1992-07-14 Norton Company Bonded abrasive products containing sintered sol gel alumina abrasive filaments
US5273557A (en) * 1990-09-04 1993-12-28 General Electric Company Twist drills having thermally stable diamond or CBN compacts tips
US5114438A (en) * 1990-10-29 1992-05-19 Ppg Industries, Inc. Abrasive article
US5037452A (en) * 1990-12-20 1991-08-06 Cincinnati Milacron Inc. Method of making vitreous bonded grinding wheels and grinding wheels obtained by the method
US5221294A (en) * 1991-05-22 1993-06-22 Norton Company Process of producing self-bonded ceramic abrasive wheels
US5203886A (en) * 1991-08-12 1993-04-20 Norton Company High porosity vitrified bonded grinding wheels
DE4300417C2 (de) * 1993-01-09 1994-12-08 Finzler Schrock & Kimmel Spezi Rotierendes oder schwingendes Schleifwerkzeug mit einem Grundkörper, der aus räumlich angeordneten und miteinander verbundenen Stegen aufgebaut ist, sowie Herstellungsverfahren für ein derartiges Schleifwerkzeug
US5429648A (en) * 1993-09-23 1995-07-04 Norton Company Process for inducing porosity in an abrasive article

Also Published As

Publication number Publication date
AU705572B2 (en) 1999-05-27
US5738697A (en) 1998-04-14
EP0921909A1 (de) 1999-06-16
EP0921909B1 (de) 2004-08-25
CO4810320A1 (es) 1999-06-30
ZA975955B (en) 1998-01-30
ATE274400T1 (de) 2004-09-15
TW365565B (en) 1999-08-01
KR100386764B1 (ko) 2003-06-09
AR007987A1 (es) 1999-11-24
WO1998004386A1 (en) 1998-02-05
CN1226194A (zh) 1999-08-18
BR9710763A (pt) 1999-08-17
JP2000512567A (ja) 2000-09-26
CN1068816C (zh) 2001-07-25
KR20000029707A (ko) 2000-05-25
AU3404897A (en) 1998-02-20
RU2153411C1 (ru) 2000-07-27
JP3636725B2 (ja) 2005-04-06
CA2259682A1 (en) 1998-02-05
EP0921909B9 (de) 2005-01-05
ES2227703T3 (es) 2005-04-01
DE69730439T2 (de) 2005-10-13
CA2259682C (en) 2002-06-11

Similar Documents

Publication Publication Date Title
DE69730439D1 (de) Schleifscheibe mit hoher permeabilität
DE69523866D1 (de) Schleifkörper
BR9711735A (pt) Rebolo
FI96585B (fi) Hiomatuote
BR9710595A (pt) M-todo para produzir rodas de esmeril de alta permeabilidade
DE69732808D1 (de) Schleifvorrichtung
DE69207610D1 (de) Schleifkörper
BR9506149A (pt) Roda de esmeril super-abrasiva
DE69519408D1 (de) Schleifkörper
DE69825684D1 (de) Schleifscheibe
FI911039L (fi) Hiomalaikka
BR9506150A (pt) Roda de esmeril abrasiva
DE69510910D1 (de) Centerless Schleifmaschine
DE69519800D1 (de) Schleifscheibe
AT397781B (de) Schleifscheibe
DE59603917D1 (de) Verbundschleifscheibe
DE59705849D1 (de) Sattelkupplung
IT1273459B (it) Macinatoio
ATA87190A (de) Schleifscheibe
IS4356A (is) Flöskugrind
KR960016614U (ko) 연삭기의 숫돌 교환장치
KR960028449U (ko) 분리형 연삭 숫돌
DE59804491D1 (de) Schleifscheibe
KR960000577U (ko) 분쇄기
DE69708063D1 (de) Radaufhängung

Legal Events

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

Owner name: SAINT-GOBAIN ABRASIVES, INC., WORCESTER, MASS., US

8363 Opposition against the patent