DE69021776D1 - Zusammensetzungen und Verfahren zur Herstellung von keramischen Matrix-Verbundwerkstoffen. - Google Patents

Zusammensetzungen und Verfahren zur Herstellung von keramischen Matrix-Verbundwerkstoffen.

Info

Publication number
DE69021776D1
DE69021776D1 DE69021776T DE69021776T DE69021776D1 DE 69021776 D1 DE69021776 D1 DE 69021776D1 DE 69021776 T DE69021776 T DE 69021776T DE 69021776 T DE69021776 T DE 69021776T DE 69021776 D1 DE69021776 D1 DE 69021776D1
Authority
DE
Germany
Prior art keywords
compositions
methods
ceramic matrix
matrix composites
making ceramic
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
DE69021776T
Other languages
English (en)
Other versions
DE69021776T2 (de
Inventor
Roger Alphee Allaire
Sandra Lee Hagg
Mark Stephen Friske
Victor Feliks Janas
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.)
Corning Inc
Original Assignee
Corning Inc
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 Corning Inc filed Critical Corning Inc
Application granted granted Critical
Publication of DE69021776D1 publication Critical patent/DE69021776D1/de
Publication of DE69021776T2 publication Critical patent/DE69021776T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C04B35/71Ceramic products containing macroscopic reinforcing agents
    • C04B35/78Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80Fibres, filaments, whiskers, platelets, or the like
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/002Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of fibres, filaments, yarns, felts or woven material
    • 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
    • C04B35/515Shaped 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
    • C04B35/58Shaped 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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805Shaped 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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • 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
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/62625Wet mixtures
    • C04B35/6263Wet mixtures characterised by their solids loadings, i.e. the percentage of solids
    • 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
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing 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
    • C04B35/632Organic additives
    • 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
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing 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
    • C04B35/632Organic additives
    • C04B35/634Polymers
    • C04B35/63404Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63424Polyacrylates; Polymethacrylates
    • 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
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64Burning or sintering processes
    • C04B35/645Pressure sintering
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00Nature of the non-vitreous component
    • C03C2214/02Fibres; Filaments; Yarns; Felts; Woven material
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00Nature of the non-vitreous component
    • C03C2214/20Glass-ceramics matrix
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38Non-oxide ceramic constituents or additives
    • C04B2235/3852Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3873Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40Metallic constituents or additives not added as binding phase
    • C04B2235/402Aluminium
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40Metallic constituents or additives not added as binding phase
    • C04B2235/404Refractory metals
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5208Fibers
    • C04B2235/5216Inorganic
    • C04B2235/522Oxidic
    • C04B2235/5228Silica and alumina, including aluminosilicates, e.g. mullite
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5208Fibers
    • C04B2235/5216Inorganic
    • C04B2235/524Non-oxidic, e.g. borides, carbides, silicides or nitrides
    • C04B2235/5244Silicon carbide
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80Phases present in the sintered or melt-cast ceramic products other than the main phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Reinforced Plastic Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
DE69021776T 1989-05-30 1990-04-03 Zusammensetzungen und Verfahren zur Herstellung von keramischen Matrix-Verbundwerkstoffen. Expired - Fee Related DE69021776T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/358,589 US5024978A (en) 1989-05-30 1989-05-30 Compositions and methods for making ceramic matrix composites

Publications (2)

Publication Number Publication Date
DE69021776D1 true DE69021776D1 (de) 1995-09-28
DE69021776T2 DE69021776T2 (de) 1996-04-25

Family

ID=23410268

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021776T Expired - Fee Related DE69021776T2 (de) 1989-05-30 1990-04-03 Zusammensetzungen und Verfahren zur Herstellung von keramischen Matrix-Verbundwerkstoffen.

Country Status (4)

Country Link
US (1) US5024978A (de)
EP (1) EP0400788B1 (de)
JP (1) JPH0397676A (de)
DE (1) DE69021776T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187008A (en) * 1989-02-07 1993-02-16 The United States Of America As Represented By The Secretary Of Commerce Process for the preparation of fiber-reinforced ceramic matrix composites
US5108964A (en) * 1989-02-15 1992-04-28 Technical Ceramics Laboratories, Inc. Shaped bodies containing short inorganic fibers or whiskers and methods of forming such bodies
US5602197A (en) * 1989-05-30 1997-02-11 Corning Incorporated Reversible polymer gel binders for powder forming
US5154787A (en) * 1990-11-01 1992-10-13 Corning Incorporated Method for making ceramic composite article
US5177039A (en) * 1990-12-06 1993-01-05 Corning Incorporated Method for making ceramic matrix composites
FR2677641B1 (fr) * 1991-06-17 1994-01-28 Propulsion Ste Europeenne Procede d'elaboration de pieces en materiau composite a matrice alumine.
JP2704332B2 (ja) * 1991-10-11 1998-01-26 株式会社ノリタケカンパニーリミテド 炭素繊維強化窒化珪素質ナノ複合材及びその製造方法
US5250243A (en) * 1991-12-02 1993-10-05 Corning Incorporated Method for making ceramic matrix composites
US5256451A (en) * 1992-03-13 1993-10-26 The United States Of America As Represented By The United States National Aeronautics And Space Administration Guanidine based vehicle/binders for use with oxides, metals and ceramics
SE9201080D0 (sv) * 1992-04-03 1992-04-03 Asea Cerama Ab Saett att framstaella fiberkompositer
WO1996009556A1 (fr) * 1994-09-22 1996-03-28 Advantest Corporation Procede et appareil d'inspection automatique de dispositifs semiconducteurs
US5547622A (en) * 1995-03-15 1996-08-20 Corning Incorporated Binder for fiber reinforced composites
US6078188A (en) * 1995-09-04 2000-06-20 Advantest Corporation Semiconductor device transporting and handling apparatus
DE19581894C2 (de) * 1995-11-06 1999-12-23 Advantest Corp Vorrichtung zum Ändern der Ausrichtung von ICs
US6355338B1 (en) * 1999-01-22 2002-03-12 Advanced Ceramics Research, Inc. Continuous composite coextrusion methods, apparatuses, and compositions
US6899777B2 (en) * 2001-01-02 2005-05-31 Advanced Ceramics Research, Inc. Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same
US6844057B2 (en) 2002-11-11 2005-01-18 The Boeing Company Method for secondarily bonding a ceramic matrix composite layer to a flexible insulation blanket and an insulation blanket produced thereby
US6844091B2 (en) 2002-11-11 2005-01-18 The Boeing Company Flexible insulation blanket having a ceramic matrix composite outer layer
US20040096619A1 (en) * 2002-11-11 2004-05-20 The Boeing Company Flexible insulation blanket having a ceramic matrix composite outer layer
JP4154727B2 (ja) * 2003-04-22 2008-09-24 王子製紙株式会社 湿式法不織布ならびにその製造方法
FR2907778B1 (fr) * 2006-10-26 2010-12-10 Snecma Propulsion Solide Procede de fabrication d'une piece en materiau composite thermostructural.
US7600979B2 (en) * 2006-11-28 2009-10-13 General Electric Company CMC articles having small complex features
US8562901B1 (en) * 2008-08-25 2013-10-22 The United States Of America As Represented By The Secretary Of The Air Force Method of making crack-free ceramic matrix composites
GB201006625D0 (en) 2010-04-21 2010-06-02 Rolls Royce Plc A method of manufacturing a ceramic matrix composite article
EP3044276A4 (de) * 2013-09-12 2016-09-07 United Technologies Corp Präkeramische haftzusammensetzung
EP3000797B1 (de) 2014-09-24 2019-11-27 Rolls-Royce Corporation Verfahren zur herstellung von artikeln aus keramischen matrix-verbundwerkstoffen mit gelierungsschritt
US10017424B2 (en) 2014-12-04 2018-07-10 Rolls-Royce Corporation Ceramic matrix composites and methods of making the same
JP2016150873A (ja) * 2015-02-18 2016-08-22 株式会社Ihi セラミックス基複合材の製造方法
WO2019060440A2 (en) * 2017-09-19 2019-03-28 Riley Reese FIBER REINFORCED METALLIC, CERAMIC AND METALLIC / FIBER COMPOSITE COMPOSITE MATERIALS AND METHODS RELATING THERETO
EP3743403B1 (de) 2018-01-22 2021-02-24 3M Innovative Properties Company Verfahren zur herstellung von mit keramikmatrixaufschlämmung infundierten keramikkabeln und keramikmatrixverbundwerkstoffe
WO2021030541A2 (en) * 2019-08-13 2021-02-18 Keith Mcconnell Precision tow impregnation manufacturing system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379109A (en) * 1978-02-02 1983-04-05 W. R. Grace & Co. Method of preparing a monolithic structure having flow channels
US4314852A (en) * 1980-05-07 1982-02-09 United Technologies Corporation Silicon carbide fiber reinforced glass composites
GB2119777B (en) * 1982-01-21 1985-07-10 Nippon Carbon Co Ltd Process for the preparation of sintered bodies
US4412854A (en) * 1982-05-25 1983-11-01 United Technologies Corporation Method of producing fiber reinforced glass matrix composite articles of complex shape
US4581053A (en) * 1982-05-25 1986-04-08 United Technologies Corporation Method of producing woven fiber reinforced glass matrix composite articles
US4558699A (en) * 1983-01-03 1985-12-17 Bashour Samuel B Method of and apparatus for restricting the passage of food through the stomach
FR2546441B1 (fr) * 1983-05-25 1987-05-15 Ceraver Procede de fabrication d'une structure composite renforcee en matiere ceramique
FR2555933A2 (fr) * 1983-12-01 1985-06-07 Ceraver Procede de fabrication d'une structure composite renforcee en matiere ceramique
US4615987A (en) * 1985-04-15 1986-10-07 Corning Glass Works Reinforcement of alkaline earth aluminosilicate glass-ceramics
FR2589855B1 (fr) * 1985-11-08 1992-03-06 Europ Propulsion Procede de fabrication d'une piece en materiau composite refractaire-refractaire
IL80893A (en) * 1985-12-23 1990-08-31 Gen Electric Ceramic composite produced by compression

Also Published As

Publication number Publication date
DE69021776T2 (de) 1996-04-25
JPH0397676A (ja) 1991-04-23
EP0400788A1 (de) 1990-12-05
EP0400788B1 (de) 1995-08-23
US5024978A (en) 1991-06-18

Similar Documents

Publication Publication Date Title
DE69021776D1 (de) Zusammensetzungen und Verfahren zur Herstellung von keramischen Matrix-Verbundwerkstoffen.
DE68918142D1 (de) Zusammensetzungen und Verfahren zur kontrollierten Freisetzung von Duftstoffen.
DE69025298T2 (de) Polycarbonat- oder Polyestercarbonatzusammensetzungen und Verfahren zur Herstellung davon
DE3887625T2 (de) Verfahren zur Herstellung von 1,1,1-Trifluorodichlorethan und von 1,1,1,2-Tetrafluorchlorethan.
DE3855544D1 (de) Keramische Verbundwerkstoff und Verfahren zur Herstellung desselben
DE68927949T2 (de) 3,9-Diphosphaspiroundecane und Verfahren zur Herstellung von 3,9-Diphosphaspiroundecanen
DE3862900D1 (de) Verfahren zur herstellung von keramischen gesinterten verbundstoffen und keramische gesinterte verbundstoffe.
DE68912655T2 (de) Verfahren zur Herstellung von Decabromediphenylalkanen und Decabromdiphenylethan.
DE59103046D1 (de) Verfahren zur Herstellung von Alkylglycosiden und Alkylpolyglycosiden.
DE68914598T2 (de) Keramischer Verbundwerkstoff und Verfahren zu seiner Herstellung.
DE69008440T2 (de) Verfahren zur Herstellung keramischer und zusammengesetzter keramischer Körper.
DE69026735T2 (de) Harzzusammensetzung und Verfahren zur Herstellung davon
DE69011795D1 (de) Benzoxazinyl-Pyrazole und Verfahren zur Herstellung und Anwendung.
DE59101473D1 (de) Verfahren zur Herstellung von N-aryl-substituierten 2-Aminoalkyl-2-hydroxy-alkylaminen und N-arylsubstituierten Piperazinen.
DE68917817D1 (de) Verfahren zur Herstellung von vernetzten Polycarbonaten und Zusammensetzungen daraus.
DE69006042T2 (de) Zusammensetzung von nichtlinearen Materialien und Verfahren zur Herstellung.
DE3886152D1 (de) Verfahren zur Herstellung von Polyimid-isoindochinazolindion und ihren Vorläufern.
DE3855587D1 (de) Keramische fasern und verfahren zur herstellung
DE69004911D1 (de) Formbare keramische Zusammensetzung und Verfahren zur Herstellung von keramischen Fibern mit kleinem Durchmesser.
DE69007028D1 (de) Verfahren zur Herstellung von 3,4-Epoxybutyrat und Zwischenprodukte dafür.
DE69104150D1 (de) Verfahren zur Herstellung von Polysilazanen und Verfahren zur Herstellung von keramischen Materialien.
DE69008488T2 (de) Verfahren zur Herstellung von N-Alkylaminophenolen und von N,N-Dialkylaminophenolen.
DE68917712D1 (de) Keramischer Verbundwerkstoff und Verfahren zu seiner Herstellung.
ATE63733T1 (de) Verfahren zur herstellung von keramischen gesinterten verbundstoffen und keramische gesinterte verbundstoffe.
DE69002009T2 (de) Verfahren zur Herstellung von Chlortrifluorethyltelomeren und so hergestellte Telomere.

Legal Events

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