WO2007012777A3 - Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice - Google Patents

Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice Download PDF

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Publication number
WO2007012777A3
WO2007012777A3 PCT/FR2006/050731 FR2006050731W WO2007012777A3 WO 2007012777 A3 WO2007012777 A3 WO 2007012777A3 FR 2006050731 W FR2006050731 W FR 2006050731W WO 2007012777 A3 WO2007012777 A3 WO 2007012777A3
Authority
WO
WIPO (PCT)
Prior art keywords
silica
monolith
porous structure
preparing
forming agents
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.)
Ceased
Application number
PCT/FR2006/050731
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English (en)
Other versions
WO2007012777A2 (fr
Inventor
Daniel Urffer
Carine Barataud-Dien
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 Centre de Recherche et dEtudes Europeen SAS
Original Assignee
Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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 Saint Gobain Centre de Recherche et dEtudes Europeen SAS filed Critical Saint Gobain Centre de Recherche et dEtudes Europeen SAS
Priority to DK06794485T priority Critical patent/DK1910249T3/da
Priority to PL06794485T priority patent/PL1910249T3/pl
Priority to EP06794485A priority patent/EP1910249B1/fr
Priority to CA002616922A priority patent/CA2616922A1/fr
Priority to US11/996,975 priority patent/US20090139208A1/en
Priority to DE602006006189T priority patent/DE602006006189D1/de
Priority to EA200800475A priority patent/EA200800475A1/ru
Priority to JP2008523423A priority patent/JP2009502469A/ja
Priority to BRPI0614414A priority patent/BRPI0614414A2/pt
Priority to AU2006273863A priority patent/AU2006273863A1/en
Publication of WO2007012777A2 publication Critical patent/WO2007012777A2/fr
Publication of WO2007012777A3 publication Critical patent/WO2007012777A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/6325—Organic additives based on organo-metallic compounds
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
    • 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
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
    • 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
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • 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
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • 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
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • 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
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Filtering Materials (AREA)
  • Silicon Compounds (AREA)
  • Ceramic Products (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention se rapporte à un procédé de fabrication d'une structure poreuse en carbure de silicium du type en nid d'abeilles, ledit procédé étant caractérisé en ce qu'il comprend des étapes de formation d'une pâte à partir d'un mélange de grains de carbure de silicium dont le diamètre d50 est compris entre 5 µm et 300 µm, d'un liant organique et d'un agent porogène inorganique, sous forme de particules à base de silice et dont la porosité globale est supérieure à 70 %, de mise en forme d'un monolithe plastique brut en forme de nid d'abeille, de séchage dudit monolithe et de cuisson du monolithe jusqu'à une température supérieure à 2100 °C. La structure obtenue par le procédé peut être utilisée comme support catalytique dans une ligne d'échappement d'un moteur diesel ou essence ou comme filtre à particules dans une ligne d'échappement d'un moteur diesel.
PCT/FR2006/050731 2005-07-29 2006-07-19 Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice Ceased WO2007012777A2 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DK06794485T DK1910249T3 (da) 2005-07-29 2006-07-19 Fremgangsmåde til fremstilling af en porös struktur under anvendelse af poredannende midler på basis af silicium
PL06794485T PL1910249T3 (pl) 2005-07-29 2006-07-19 Sposób wytwarzania struktury porowatej z wykorzystaniem środków porotwórczych na bazie krzemionki
EP06794485A EP1910249B1 (fr) 2005-07-29 2006-07-19 Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice
CA002616922A CA2616922A1 (fr) 2005-07-29 2006-07-19 Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice
US11/996,975 US20090139208A1 (en) 2005-07-29 2006-07-19 Method for preparing a porous structure using silica-based pore-forming agents
DE602006006189T DE602006006189D1 (de) 2005-07-29 2006-07-19 Nter verwendung von porenbildenden mitteln auf siliziumbasis
EA200800475A EA200800475A1 (ru) 2005-07-29 2006-07-19 Способ получения пористой структуры с использованием порообразующих агентов на основе диоксида кремния
JP2008523423A JP2009502469A (ja) 2005-07-29 2006-07-19 シリカ系気孔形成剤を使用した多孔質構造体の製造方法
BRPI0614414A BRPI0614414A2 (pt) 2005-07-29 2006-07-19 processo de fabricação de uma estrutura porosa de carboneto de silício do tipo colméia, estrutura porosa de carboneto de silício do tipo colméia e utilização de uma estrutura
AU2006273863A AU2006273863A1 (en) 2005-07-29 2006-07-19 Method for preparing a porous structure using silica-based pore-forming agents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0552393A FR2889184B1 (fr) 2005-07-29 2005-07-29 Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice
FR0552393 2005-07-29

Publications (2)

Publication Number Publication Date
WO2007012777A2 WO2007012777A2 (fr) 2007-02-01
WO2007012777A3 true WO2007012777A3 (fr) 2007-09-13

Family

ID=36283932

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2006/050731 Ceased WO2007012777A2 (fr) 2005-07-29 2006-07-19 Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice

Country Status (15)

Country Link
US (1) US20090139208A1 (fr)
EP (1) EP1910249B1 (fr)
JP (1) JP2009502469A (fr)
CN (1) CN101304961A (fr)
AT (1) ATE427924T1 (fr)
AU (1) AU2006273863A1 (fr)
BR (1) BRPI0614414A2 (fr)
CA (1) CA2616922A1 (fr)
DE (1) DE602006006189D1 (fr)
DK (1) DK1910249T3 (fr)
EA (1) EA200800475A1 (fr)
FR (1) FR2889184B1 (fr)
PL (1) PL1910249T3 (fr)
WO (1) WO2007012777A2 (fr)
ZA (1) ZA200800774B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007061776A1 (de) * 2007-12-20 2009-06-25 Argillon Gmbh Verfahren zur Trocknung von keramischen Wabenkörpern
CN101966471B (zh) * 2010-04-23 2012-01-04 周江林 高效环保催化剂载体
CN106631123B (zh) * 2017-01-10 2019-09-10 中国建筑材料科学研究总院 一种蜂窝状碳化硅陶瓷载体及其制备方法和应用
KR102665748B1 (ko) * 2022-11-01 2024-05-14 (주) 세라컴 기공특성이 개선된 디젤 입자 필터용 조성물

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114975A (ja) * 1990-09-04 1992-04-15 Tokai Kogyo Kk 軽量・高強度陶磁器とその製造方法
FR2671072A1 (fr) * 1990-11-14 1992-07-03 Saint Gobain Vitrage Int Verre silico-sodo-calcique, microspheres obtenues a partir de ce verre et procede pour leur fabrication.
US6017473A (en) * 1996-03-23 2000-01-25 Verein Zur Forederung Des Instituts Fur Prozess-Und Anwendungstechnik Keramik An Der Rwth Aachen E.V. Method for producing porous permeable molded body
JP2001206785A (ja) * 2000-01-25 2001-07-31 Asahi Glass Co Ltd 炭化ケイ素質多孔体の製造方法
JP2002326881A (ja) * 2001-04-27 2002-11-12 Hitachi Metals Ltd 多孔質セラミックスの製造方法
JP2002356384A (ja) * 2001-06-01 2002-12-13 Asahi Glass Co Ltd 炭化ケイ素質多孔体およびその製造方法
EP1403231A1 (fr) * 2001-05-31 2004-03-31 Ibiden Co., Ltd. Corps fritte ceramique poreux et procede permettant sa production, et filtre a gasoil particulaire
EP1493724A1 (fr) * 2002-03-29 2005-01-05 Ngk Insulators, Ltd. Materiau poreux et son procede de production

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Publication number Priority date Publication date Assignee Title
JPH0952781A (ja) * 1992-08-25 1997-02-25 Seto Seido Kk シラスバルーンを用いた陶磁器用原料およびその製造方法
JPH11189479A (ja) * 1997-12-26 1999-07-13 Sekisui Jushi Co Ltd 軽量ブロック
JP4246425B2 (ja) * 2001-10-15 2009-04-02 日本碍子株式会社 ハニカムフィルター
JP2003277162A (ja) * 2002-01-21 2003-10-02 Ngk Insulators Ltd 多孔質ハニカム構造体、その用途及びその製造方法
US7452591B2 (en) * 2002-03-29 2008-11-18 Ngk Insulators, Ltd. Silicon carbide based porous material and method for production thereof
US7326270B2 (en) * 2002-09-13 2008-02-05 Ibiden Co., Ltd. Filter
US7556664B2 (en) * 2003-03-25 2009-07-07 Ngk Insulators, Ltd. Sealed honeycomb structure and method of producing the same
US7981475B2 (en) * 2003-11-05 2011-07-19 Ibiden Co., Ltd. Manufacturing method of honeycomb structural body, and sealing material
US7387829B2 (en) * 2004-01-13 2008-06-17 Ibiden Co., Ltd. Honeycomb structure, porous body, pore forming material for the porous body, and methods for manufacturing the pore forming material, the porous body and the honeycomb structure
JP4550434B2 (ja) * 2004-01-15 2010-09-22 日本碍子株式会社 セル構造体及びその製造方法
US20060021308A1 (en) * 2004-07-29 2006-02-02 Merkel Gregory A Mullite-aluminum titanate body and method for making same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114975A (ja) * 1990-09-04 1992-04-15 Tokai Kogyo Kk 軽量・高強度陶磁器とその製造方法
FR2671072A1 (fr) * 1990-11-14 1992-07-03 Saint Gobain Vitrage Int Verre silico-sodo-calcique, microspheres obtenues a partir de ce verre et procede pour leur fabrication.
US6017473A (en) * 1996-03-23 2000-01-25 Verein Zur Forederung Des Instituts Fur Prozess-Und Anwendungstechnik Keramik An Der Rwth Aachen E.V. Method for producing porous permeable molded body
JP2001206785A (ja) * 2000-01-25 2001-07-31 Asahi Glass Co Ltd 炭化ケイ素質多孔体の製造方法
JP2002326881A (ja) * 2001-04-27 2002-11-12 Hitachi Metals Ltd 多孔質セラミックスの製造方法
EP1403231A1 (fr) * 2001-05-31 2004-03-31 Ibiden Co., Ltd. Corps fritte ceramique poreux et procede permettant sa production, et filtre a gasoil particulaire
JP2002356384A (ja) * 2001-06-01 2002-12-13 Asahi Glass Co Ltd 炭化ケイ素質多孔体およびその製造方法
EP1493724A1 (fr) * 2002-03-29 2005-01-05 Ngk Insulators, Ltd. Materiau poreux et son procede de production

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* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 117, no. 12, 21 September 1992, Columbus, Ohio, US; abstract no. 117120q, XP000373839 *
DATABASE WPI Section Ch Week 200165, Derwent World Patents Index; Class H06, AN 2001-574961, XP002382486 *
DATABASE WPI Section Ch Week 200304, Derwent World Patents Index; Class H06, AN 2003-044962, XP002382487 *
E-SPHERES PRODUCT SHEET, 23 June 2005 (2005-06-23), XP002441640, Retrieved from the Internet <URL:http://web.archive.org/web/*/http://www.envirospheres.com/products.htm> [retrieved on 20070706] *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 04 2 April 2003 (2003-04-02) *

Also Published As

Publication number Publication date
ZA200800774B (en) 2009-01-28
JP2009502469A (ja) 2009-01-29
DK1910249T3 (da) 2009-08-10
CN101304961A (zh) 2008-11-12
EP1910249B1 (fr) 2009-04-08
US20090139208A1 (en) 2009-06-04
ATE427924T1 (de) 2009-04-15
EA200800475A1 (ru) 2008-06-30
PL1910249T3 (pl) 2009-10-30
FR2889184A1 (fr) 2007-02-02
EP1910249A2 (fr) 2008-04-16
FR2889184B1 (fr) 2007-10-19
BRPI0614414A2 (pt) 2016-11-08
AU2006273863A1 (en) 2007-02-01
CA2616922A1 (fr) 2007-02-01
DE602006006189D1 (de) 2009-05-20
WO2007012777A2 (fr) 2007-02-01

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