DE68922157D1 - Poröses keramisches Filter mit Bienenwabenstruktur und Verfahren zu seiner Herstellung. - Google Patents

Poröses keramisches Filter mit Bienenwabenstruktur und Verfahren zu seiner Herstellung.

Info

Publication number
DE68922157D1
DE68922157D1 DE68922157T DE68922157T DE68922157D1 DE 68922157 D1 DE68922157 D1 DE 68922157D1 DE 68922157 T DE68922157 T DE 68922157T DE 68922157 T DE68922157 T DE 68922157T DE 68922157 D1 DE68922157 D1 DE 68922157D1
Authority
DE
Germany
Prior art keywords
production
honeycomb structure
porous ceramic
ceramic filter
filter
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
DE68922157T
Other languages
English (en)
Other versions
DE68922157T2 (de
Inventor
Kunikazu Hamaguchi
Takashi Harada
Toshiyuki Hamanaka
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Application granted granted Critical
Publication of DE68922157D1 publication Critical patent/DE68922157D1/de
Publication of DE68922157T2 publication Critical patent/DE68922157T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16Shaped 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
    • C04B35/18Shaped 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
    • C04B35/195Alkaline earth aluminosilicates, e.g. cordierite or anorthite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068Other inorganic materials, e.g. ceramics
    • B01D39/2072Other inorganic materials, e.g. ceramics the material being particulate or granular
    • B01D39/2075Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006Honeycomb structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/06Ceramic, e.g. monoliths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00Gas separation
    • Y10S55/30Exhaust treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
DE68922157T 1988-08-12 1989-08-02 Poröses keramisches Filter mit Bienenwabenstruktur und Verfahren zu seiner Herstellung. Expired - Lifetime DE68922157T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63201657A JP2578176B2 (ja) 1988-08-12 1988-08-12 多孔質セラミックハニカムフィルターおよびその製法

Publications (2)

Publication Number Publication Date
DE68922157D1 true DE68922157D1 (de) 1995-05-18
DE68922157T2 DE68922157T2 (de) 1995-11-30

Family

ID=16444729

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922157T Expired - Lifetime DE68922157T2 (de) 1988-08-12 1989-08-02 Poröses keramisches Filter mit Bienenwabenstruktur und Verfahren zu seiner Herstellung.

Country Status (4)

Country Link
US (1) US5069697A (de)
EP (1) EP0354721B1 (de)
JP (1) JP2578176B2 (de)
DE (1) DE68922157T2 (de)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0738930B2 (ja) * 1990-03-30 1995-05-01 日本碍子株式会社 多孔質セラミックフィルタの製法
US5114644A (en) * 1991-02-13 1992-05-19 Corning Incorporated Fabrication of cordierite bodies
US5114643A (en) * 1991-02-13 1992-05-19 Corning Incorporated Fabrication of cordierite bodies
JPH0751459B2 (ja) * 1991-05-17 1995-06-05 日本碍子株式会社 コージェライト質ハニカム構造体の製造法
US5258150A (en) * 1991-12-06 1993-11-02 Corning Incorporated Fabrication of low thermal expansion, high porosity cordierite body
US5183608A (en) * 1992-01-03 1993-02-02 Corning Incorporated Method of making diesel particulate filters
US5256360A (en) * 1992-03-25 1993-10-26 Panasonic Technologies, Inc. Method of manufacturing a precision micro-filter
JPH05306614A (ja) * 1992-04-28 1993-11-19 Matsushita Electric Ind Co Ltd 排気ガスフィルタとその製造方法
ES2051639B1 (es) * 1992-06-30 1995-01-16 Nalon Quimica Sa Procedimiento para obtencion de soportes ceramicos de catalizadores para el tratamiento de los gases emitidos por motores de combustion interna, y soporte ceramico asi obtenido.
DE4339167B4 (de) * 1992-11-20 2006-09-14 Corning Inc. Verfahren zur Herstellung von Cordieritkörpern
US5409870A (en) * 1992-11-20 1995-04-25 Corning Incorporated Modified cordierite precursors
US5472468A (en) * 1993-02-25 1995-12-05 Sumitomo Chemical Company, Limited Exhaust gas filter element
DE69401031T2 (de) * 1993-06-04 1997-04-30 Millipore Corp Filterelement aus Metall mit hohem Wirkungsgrad und Verfahren zu dessen Herstellung
JP2870369B2 (ja) * 1993-06-18 1999-03-17 住友電気工業株式会社 排気ガス浄化用フィルター
JP2938740B2 (ja) * 1993-12-14 1999-08-25 日本碍子株式会社 コージェライト質セラミックフィルタとその製造方法
JP2726616B2 (ja) * 1993-12-15 1998-03-11 日本碍子株式会社 多孔質セラミックハニカムフィルタ
JP3288536B2 (ja) * 1994-06-21 2002-06-04 日本碍子株式会社 排ガスフィルタおよびそれを使用した排ガス処理装置
JPH1013129A (ja) * 1996-06-25 1998-01-16 Sumitomo Electric Ind Ltd レドーム
JP3555382B2 (ja) * 1997-04-22 2004-08-18 松下電器産業株式会社 排ガスフィルターとその製造方法及びこの排ガスフィルターを備えたディーゼルエンジン
JP3359596B2 (ja) * 1999-07-22 2002-12-24 日本碍子株式会社 キャニング構造体およびその作製方法
US6206944B1 (en) * 1999-10-15 2001-03-27 Corning Incorporated Low aspect ratio diesel exhaust filter
US6290743B1 (en) 1999-12-20 2001-09-18 Siemens Westinghouse Power Corporation Tubular and honeycomb metal fail-safe regenerator devices
DE10013366C1 (de) * 2000-03-14 2001-08-09 Tami Deutschland Gmbh Verfahren zur Herstellung eines monolithischen, porösen keramischen Formkörpers aus TiO¶2¶
JP3756721B2 (ja) * 2000-03-24 2006-03-15 日本碍子株式会社 排ガス浄化用フィルター
JP2001269522A (ja) * 2000-03-27 2001-10-02 Ngk Insulators Ltd 多孔質セラミックス焼結体製フィルター
US6398837B1 (en) 2000-06-05 2002-06-04 Siemens Westinghouse Power Corporation Metal-ceramic composite candle filters
JP4094830B2 (ja) * 2000-11-24 2008-06-04 日本碍子株式会社 多孔質ハニカムフィルター及びその製造方法
JP3925225B2 (ja) * 2001-03-28 2007-06-06 株式会社デンソー 排ガス浄化フィルタ及びその製造方法
JP3727550B2 (ja) * 2001-05-30 2005-12-14 株式会社デンソー 排ガス浄化フィルタ及びその製造方法
CN100523446C (zh) * 2001-09-13 2009-08-05 日立金属株式会社 陶瓷蜂窝状过滤器及其制造方法
US6827754B2 (en) * 2001-09-13 2004-12-07 Hitachi Metals, Ltd. Ceramic honeycomb filter
ATE372449T1 (de) * 2001-12-03 2007-09-15 Hitachi Metals Ltd Keramischer wabenfilter
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
WO2003074151A1 (fr) * 2002-03-01 2003-09-12 Zakrytoe Aktsionernoe Obschestvo Nauchno-Tekhnicheskiy Tsentr 'bakor' Element filtrant ceramique et son procede de fabrication
CN100365252C (zh) 2002-03-04 2008-01-30 揖斐电株式会社 废气净化用蜂巢式过滤器以及废气净化装置
JP4750343B2 (ja) * 2002-10-23 2011-08-17 日本碍子株式会社 多孔質ハニカム構造体の製造方法、及びハニカム成形体
US7225613B2 (en) * 2005-01-26 2007-06-05 Ford Global Technologies, Llc Diesel engine after treatment device for conversion of nitrogen oxide and particulate matter
ATE540907T1 (de) * 2005-11-30 2012-01-15 Corning Inc Poröser keramikwabenfilter mit gesteuerter porengrössenverteilung
US7485170B2 (en) * 2005-11-30 2009-02-03 Corning Incorporated Narrow pore size distribution cordierite ceramic honeycomb articles and methods for manufacturing same
CN101395099A (zh) 2006-03-07 2009-03-25 日本碍子株式会社 陶瓷结构体及其制造方法
US8298311B2 (en) * 2006-11-15 2012-10-30 Corning Incorporated Filters with controlled submicron porosity
US7981188B2 (en) * 2006-11-30 2011-07-19 Corning Incorporated Controlled pore size distribution porous ceramic honeycomb filter, honeycomb green body, batch mixture and manufacturing method therefor
FR2916366B1 (fr) * 2007-05-23 2009-11-27 Saint Gobain Ct Recherches Filtre a particules texture pour applications catalytiques
WO2008150421A1 (en) * 2007-05-31 2008-12-11 Corning Incorporated Aluminum titanate ceramic forming batch mixtures and green bodies with pore former
EP2188228B1 (de) * 2007-08-31 2018-09-26 Corning Incorporated Cordierit-wabenartikel und herstellungsverfahren
JP5189832B2 (ja) 2007-12-13 2013-04-24 日本碍子株式会社 炭化珪素質多孔体
US20100050604A1 (en) * 2008-08-28 2010-03-04 John William Hoard SCR-LNT CATALYST COMBINATION FOR IMPROVED NOx CONTROL OF LEAN GASOLINE AND DIESEL ENGINES
US8844274B2 (en) * 2009-01-09 2014-09-30 Ford Global Technologies, Llc Compact diesel engine exhaust treatment system
US8231701B2 (en) * 2009-01-21 2012-07-31 Corning Incorporated Particulate filters and methods for regenerating particulate filters
US8062618B2 (en) * 2009-04-17 2011-11-22 Ford Global Technologies, Llc Exhaust aftertreatment system and method of treating exhaust gas
US8389101B2 (en) * 2009-05-29 2013-03-05 Corning Incorporated Lanthanum-containing cordierite body and method of manufacture
US9074504B2 (en) * 2009-09-04 2015-07-07 Hitachi Metals, Ltd. Ceramic honeycomb structure and its production method
US9334191B2 (en) 2010-05-28 2016-05-10 Corning Incorporated Methods for forming ceramic honeycomb articles
US9856177B2 (en) 2010-05-28 2018-01-02 Corning Incorporated Cordierite porous ceramic honeycomb articles
US9441517B2 (en) * 2010-09-02 2016-09-13 Ford Global Technologies, Llc Diesel engine exhaust treatment system
US8137648B2 (en) * 2010-10-12 2012-03-20 Ford Global Technologies, Llc Diesel engine exhaust treatment system and method including a platinum group metal trapping device
US20110165040A1 (en) 2010-11-03 2011-07-07 Ford Global Technologies, Llc Device for remediating emissions and method of manufacture
US8999224B2 (en) * 2010-11-30 2015-04-07 Corning Incorporated Cordierite porous ceramic honeycomb articles with delayed microcrack evolution
CN106220224B (zh) * 2016-07-08 2020-09-22 南京维能窑炉科技有限公司 一种具有双重孔结构的耐高温轻质绝热材料及其制备方法
CN110606768A (zh) * 2019-10-15 2019-12-24 北京交通大学 堇青石多孔陶瓷膜支撑体及其近净尺寸制备方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950175A (en) * 1973-11-05 1976-04-13 Corning Glass Works Pore size control in cordierite ceramic
JPS51123966A (en) * 1975-04-22 1976-10-29 Sumitomo Chem Co Ltd Removing method of dust contained in a combustion exhaust gas
US4191721A (en) * 1977-10-06 1980-03-04 General Electric Company Making ceramic articles having a high degree of porosity and crushability characteristics
US4191720A (en) * 1977-10-06 1980-03-04 General Electric Company Method for making porous, crushable core having an integral outer barrier layer
JPS55137022A (en) * 1979-04-14 1980-10-25 Ngk Insulators Ltd High temperature use ceramic filter
US4407967A (en) * 1979-08-16 1983-10-04 Frenchtown American Corp. Method for producing spheroidal ceramics
US4264346A (en) * 1979-12-12 1981-04-28 General Motors Corporation Diesel exhaust particulate traps
US4278544A (en) * 1980-03-26 1981-07-14 Aikoh, Co., Ltd. Filter medium for fluid
JPS577217A (en) * 1980-06-16 1982-01-14 Ngk Insulators Ltd Ceramic honeycomb filter and preparation thereof
JPS5742316A (en) * 1980-08-28 1982-03-09 Ngk Insulators Ltd Ceramic honeycomb filter
JPS5742317A (en) * 1980-08-28 1982-03-09 Ngk Insulators Ltd Ceramic honeycomb filter
JPS5749009A (en) * 1980-09-09 1982-03-20 Toyota Motor Corp Exhaust gas filter for internal combustion engine
JPS5870814A (ja) * 1981-10-20 1983-04-27 Nippon Soken Inc 排気ガス浄化用構造物
JPS57187013A (en) * 1981-05-11 1982-11-17 Toyota Motor Corp Waste gas filter
US4455180A (en) * 1981-08-24 1984-06-19 Corning Glass Works Method of fabricating a sintered and selectively plugged honeycomb structure
US4432918A (en) * 1981-08-24 1984-02-21 Corning Glass Works Methods for fabricating selectively plugged honeycomb structures
JPS58139717A (ja) * 1982-02-15 1983-08-19 Toyota Motor Corp 内燃機関の排出ガス浄化用フイルタ
US4419108A (en) * 1982-02-22 1983-12-06 Corning Glass Works Filter apparatus and method of filtering
US4416675A (en) * 1982-02-22 1983-11-22 Corning Glass Works High capacity solid particulate filter apparatus
US4417908A (en) * 1982-02-22 1983-11-29 Corning Glass Works Honeycomb filter and method of making it
JPS58159828A (ja) * 1982-03-19 1983-09-22 Toyota Motor Corp 内燃機関の排出ガスフイルタおよびその製造方法
JPS60141667A (ja) * 1983-12-28 1985-07-26 日本碍子株式会社 セラミックハニカム構造体を接合若しくはコーティングまたは封着するためのセラミック材料組成物
JPS6154750A (ja) * 1984-08-24 1986-03-19 Toshiba Corp 秘話通信方式
JPS61129015A (ja) * 1984-11-24 1986-06-17 Nippon Denso Co Ltd 排出ガス浄化用フイルタおよびその製造方法
DE3501182A1 (de) * 1985-01-16 1986-07-17 Daimler-Benz Ag, 7000 Stuttgart Abgasfilter fuer dieselmotoren
JPS61178038A (ja) * 1985-02-04 1986-08-09 Ngk Insulators Ltd 燃焼機器用浄化触媒担体
JPH062204B2 (ja) * 1985-06-24 1994-01-12 日本電装株式会社 セラミツク構造体
JPS6226312A (ja) * 1985-07-25 1987-02-04 Asahi Glass Co Ltd 集塵器
DE3680496D1 (de) * 1985-12-27 1991-08-29 Ngk Insulators Ltd Gegenstand aus cordierit mit honigwabenstruktur und methode zu dessen produktion.
JPS6331517A (ja) * 1986-07-24 1988-02-10 Asahi Glass Co Ltd セラミツクフイルタ
JPS63185425A (ja) * 1987-01-28 1988-08-01 Ngk Insulators Ltd 排ガス浄化用セラミツクハニカムフイルタ
US4869944A (en) * 1987-02-12 1989-09-26 Ngk Insulators, Ltd. Cordierite honeycomb-structural body and a method for producing the same

Also Published As

Publication number Publication date
EP0354721B1 (de) 1995-04-12
DE68922157T2 (de) 1995-11-30
JP2578176B2 (ja) 1997-02-05
JPH0252015A (ja) 1990-02-21
US5069697A (en) 1991-12-03
EP0354721A2 (de) 1990-02-14
EP0354721A3 (de) 1991-01-30

Similar Documents

Publication Publication Date Title
DE68922157D1 (de) Poröses keramisches Filter mit Bienenwabenstruktur und Verfahren zu seiner Herstellung.
DE68911811D1 (de) Poröser keramischer Sinter und Verfahren zu dessen Herstellung.
DE69009934D1 (de) Keramischer Filter und Verfahren zu seiner Herstellung.
DE68921548T2 (de) Poröse Strukture und Verfahren zu ihrer Herstellung.
DE3765741D1 (de) Keramische filtrationsmembran und verfahren zu deren herstellung.
DE59208738D1 (de) Poröses Honeycomb-Material, Verfahren zu seiner Herstellung und seine Verwendung
DE69408948T2 (de) Poröser keramischer Filter mit Bienenwabenstruktur
DE69414084T2 (de) Cordierit keramischer Filter und Verfahren zu seiner Herstellung
DE68918183D1 (de) Filterelement und Verfahren zu dessen Herstellung.
DE68911086T2 (de) Wabenstruktur und Verfahren zu deren Herstellung.
DE3855721T2 (de) Poröse polypropylenmembran und verfahren zu deren herstellung
DE3885140D1 (de) Keramischer Verbundwerkstoff und Verfahren zu seiner Herstellung.
DE68904712T2 (de) Bienenwabenstruktur und verfahren zu ihrer herstellung.
DE69304587D1 (de) Poröser Film, Verfahren zu seiner Herstellung und Anwendung
DE3882859T2 (de) Keramikverbundkörper und Verfahren zu seiner Herstellung.
DE69429323D1 (de) Poröses keramisches material und verfahren zu seiner herstellung
DE69023429D1 (de) Poröser Sinterkörper und Verfahren zu seiner Herstellung.
DE3887979D1 (de) Filtermembran und Verfahren zu deren Herstellung.
DE3882302T2 (de) Filterkonstruktion und deren verfahren zur herstellung.
DE68914598T2 (de) Keramischer Verbundwerkstoff und Verfahren zu seiner Herstellung.
DE68912673T2 (de) Wabenkörperstruktur und Verfahren zu deren Herstellung.
DE3787801T2 (de) Hautfreies poröses partikuläres PVC-Harz und Verfahren zu seiner Herstellung.
DE69011447T2 (de) Gesinterter keramischer Verbundkörper und Verfahren zu seiner Herstellung.
DE68905124T2 (de) Verfahren zur herstellung von strukturellen poroesen keramischen koerpern mit bienenwabenstruktur.
DE69014793D1 (de) Gesinterter keramischer Verbundkörper und Verfahren zu seiner Herstellung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition