DE69013697D1 - Verfahren zur Herstellung selbsttragender Körper und nach dem Verfahren hergestellte Produkte. - Google Patents

Verfahren zur Herstellung selbsttragender Körper und nach dem Verfahren hergestellte Produkte.

Info

Publication number
DE69013697D1
DE69013697D1 DE69013697T DE69013697T DE69013697D1 DE 69013697 D1 DE69013697 D1 DE 69013697D1 DE 69013697 T DE69013697 T DE 69013697T DE 69013697 T DE69013697 T DE 69013697T DE 69013697 D1 DE69013697 D1 DE 69013697D1
Authority
DE
Germany
Prior art keywords
donor material
self
boron
supporting bodies
carbon
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
DE69013697T
Other languages
English (en)
Other versions
DE69013697T2 (de
Inventor
Mark Stevens Newkirk
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.)
Lanxide Technology Co LP
Original Assignee
Lanxide Technology Co LP
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 Lanxide Technology Co LP filed Critical Lanxide Technology Co LP
Publication of DE69013697D1 publication Critical patent/DE69013697D1/de
Application granted granted Critical
Publication of DE69013697T2 publication Critical patent/DE69013697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • 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
    • C04B35/5607—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 refractory metal carbides
    • C04B35/5611—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 refractory metal carbides based on titanium carbides
    • 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
    • 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
    • C04B35/5607—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 refractory metal carbides
    • C04B35/5622—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 refractory metal carbides based on zirconium or hafnium carbides
    • 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
    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • 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
    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • C04B35/58071—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on titanium borides
    • 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
    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • C04B35/58078—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on zirconium or hafnium borides
    • 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
    • C04B35/64—Burning or sintering processes
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
    • C04B35/652—Directional oxidation or solidification, e.g. Lanxide process
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • C22C1/1057—Reactive infiltration
DE69013697T 1989-01-13 1990-01-11 Verfahren zur Herstellung selbsttragender Körper und nach dem Verfahren hergestellte Produkte. Expired - Fee Related DE69013697T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/296,773 US4885131A (en) 1989-01-13 1989-01-13 Process for preparing self-supporting bodies and products produced thereby

Publications (2)

Publication Number Publication Date
DE69013697D1 true DE69013697D1 (de) 1994-12-08
DE69013697T2 DE69013697T2 (de) 1995-03-16

Family

ID=23143487

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69013697T Expired - Fee Related DE69013697T2 (de) 1989-01-13 1990-01-11 Verfahren zur Herstellung selbsttragender Körper und nach dem Verfahren hergestellte Produkte.

Country Status (18)

Country Link
US (1) US4885131A (de)
EP (1) EP0378500B1 (de)
JP (1) JP2911935B2 (de)
KR (1) KR0134961B1 (de)
CN (1) CN1022033C (de)
AT (1) ATE113575T1 (de)
AU (1) AU628906B2 (de)
BR (1) BR9000049A (de)
CA (1) CA2007599A1 (de)
DE (1) DE69013697T2 (de)
FI (1) FI900197A0 (de)
IE (1) IE900110L (de)
IL (1) IL92399A (de)
NO (1) NO900142L (de)
NZ (1) NZ232042A (de)
PH (1) PH26246A (de)
PT (1) PT92853A (de)
ZA (1) ZA90220B (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180697A (en) * 1987-07-15 1993-01-19 Lanxide Technology Company, Lp Process for preparing self-supporting bodies and products produced thereby
US5296417A (en) * 1987-07-15 1994-03-22 Lanxide Technology Company, Lp Self-supporting bodies
US5143870A (en) * 1987-12-23 1992-09-01 Lanxide Technology Company, Lp Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby
US5162098A (en) * 1987-12-23 1992-11-10 Lanxide Technology Company, Lp Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby
US5298051A (en) * 1987-12-23 1994-03-29 Lanxide Technology Company, Lp Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby
US5518061A (en) * 1988-11-10 1996-05-21 Lanxide Technology Company, Lp Method of modifying the properties of a metal matrix composite body
US5010044A (en) * 1989-01-13 1991-04-23 Lanxide Technology Company, Lp. Process for preparing self-supporting bodies and products produced thereby
US4978644A (en) * 1989-01-13 1990-12-18 Lanxide Technology Company, Lp Process for preparing self-supporting bodies and products made thereby
US5238883A (en) * 1989-01-13 1993-08-24 Lanxide Technology Company, Lp Process for preparing self-supporting bodies and products produced thereby
US4904446A (en) * 1989-01-13 1990-02-27 Lanxide Technology Company, Lp Process for preparing self-supporting bodies and products made thereby
US5149678A (en) * 1989-01-13 1992-09-22 Lanxide Technology Company, Lp Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby
IL92395A0 (en) * 1989-01-13 1990-07-26 Lanxide Technology Co Ltd Method of bonding a ceramic composite body to a second body and articles produced thereby
US5187128A (en) * 1989-01-13 1993-02-16 Lanxide Technology Company, Lp Process for preparing self-supporting bodies
US5372178A (en) * 1989-01-13 1994-12-13 Lanxide Technology Company, Lp Method of producing ceramic composite bodies
IL92396A0 (en) * 1989-01-13 1990-07-26 Lanxide Technology Co Ltd Method of producing ceramic composite bodies
US5039633A (en) * 1989-09-14 1991-08-13 The Dow Chemical Company B4C/Al cermets and method for making same
US5329984A (en) * 1990-05-09 1994-07-19 Lanxide Technology Company, Lp Method of forming a filler material for use in various metal matrix composite body formation processes
US5112654A (en) * 1990-06-25 1992-05-12 Lanxide Technology Company, Lp Method for forming a surface coating
US5250324A (en) * 1990-06-25 1993-10-05 Lanxide Technology Company, L.P. Method for forming a surface coating using powdered solid oxidants and parent metals
WO1992000937A2 (en) * 1990-07-12 1992-01-23 Lanxide Technology Company, Lp Joining methods for ceramic composite bodies
US5098870A (en) * 1990-07-12 1992-03-24 Lanxide Technology Company, Lp Process for preparing self-supporting bodies having controlled porosity and graded properties and products produced thereby
JPH06502379A (ja) * 1990-07-12 1994-03-17 ランキサイド　テクノロジー　カンパニー，リミティド　パートナーシップ セラミックス複合体の接合方法
US5264401A (en) * 1990-07-12 1993-11-23 Lanxide Technology Company, Lp Pressure assisted technique for forming self-supporting composite bodies and articles formed thereby
US5232040A (en) * 1990-07-12 1993-08-03 Lanxide Technology Company, Lp Method for reducing metal content of self-supporting composite bodies and articles formed thereby
US5120684A (en) * 1990-07-12 1992-06-09 Lanxide Technology Company, Lp Pressure assisted technique for forming self-supporting composite bodies and articles formed thereby
US5203488A (en) * 1990-07-12 1993-04-20 Lanxide Technology Company, Lp Method for joining ceramic composite bodies and articles formed thereby
US5166105A (en) * 1990-12-10 1992-11-24 Lanxide Technology Company, Lp Process for preparing self-supporting ceramic composite bodies and bodies produced thereby
US5500182A (en) * 1991-07-12 1996-03-19 Lanxide Technology Company, Lp Ceramic composite bodies with increased metal content
US5214011A (en) * 1991-08-30 1993-05-25 Bfd, Incorporated Process for preparing ceramic-metal composite bodies
EP0630306B1 (de) * 1992-03-20 1997-04-16 Lanxide Technology Company, Lp Herstellung von Cementkörpern durch reaktive Infiltration
US5366686A (en) * 1993-03-19 1994-11-22 Massachusetts Institute Of Technology, A Massachusetts Corporation Method for producing articles by reactive infiltration
US5848349A (en) * 1993-06-25 1998-12-08 Lanxide Technology Company, Lp Method of modifying the properties of a metal matrix composite body
US5728638A (en) * 1996-08-21 1998-03-17 Bfd, Inc. Metal/ceramic composites containing inert metals
US20110104214A1 (en) 2004-04-15 2011-05-05 Purdue Pharma L.P. Once-a-day oxycodone formulations
KR101998097B1 (ko) 2012-12-28 2019-07-09 주식회사 포스코 와이어로프 스케일 제거장치
CN104848690B (zh) * 2015-05-11 2017-10-27 深圳振华富电子有限公司 烧结模具

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US3758662A (en) * 1971-04-30 1973-09-11 Westinghouse Electric Corp In carbonaceous mold forming dense carbide articles from molten refractory metal contained
US3864154A (en) * 1972-11-09 1975-02-04 Us Army Ceramic-metal systems by infiltration
GB1492477A (en) * 1976-04-21 1977-11-23 British Steel Corp Production of articles containing a hard phase
CH654031A5 (de) * 1983-02-10 1986-01-31 Alusuisse Verfahren zur herstellung von festkoerperkathoden.
EP0116809B1 (de) * 1983-02-16 1990-05-02 MOLTECH Invent S.A. Gesinterte Metall-Keramikverbundwerkstoffe und ihre Herstellung
US4595595A (en) * 1983-08-15 1986-06-17 Sun-Diamond Growers Of California Process for simultaneous roasting of nutmeats and pellicle removal
US4713360A (en) * 1984-03-16 1987-12-15 Lanxide Technology Company, Lp Novel ceramic materials and methods for making same
EP0435854B1 (de) * 1984-05-18 1995-03-29 Sumitomo Electric Industries Limited Verfahren zum Sintern von keramischen Körpern mit einer verteilten Metallverstärkung
US4692418A (en) * 1984-08-29 1987-09-08 Stemcor Corporation Sintered silicon carbide/carbon composite ceramic body having fine microstructure
US4851375A (en) * 1985-02-04 1989-07-25 Lanxide Technology Company, Lp Methods of making composite ceramic articles having embedded filler
US4605440A (en) * 1985-05-06 1986-08-12 The United States Of America As Represented By The United States Department Of Energy Boron-carbide-aluminum and boron-carbide-reactive metal cermets
US4606768A (en) * 1985-07-15 1986-08-19 Scm Corporation High impact strength powder metal part and method for making same
US4702770A (en) * 1985-07-26 1987-10-27 Washington Research Foundation Multipurpose boron carbide-aluminum composite and its manufacture via the control of the microstructure
US4777014A (en) * 1986-03-07 1988-10-11 Lanxide Technology Company, Lp Process for preparing self-supporting bodies and products made thereby
US4718941A (en) * 1986-06-17 1988-01-12 The Regents Of The University Of California Infiltration processing of boron carbide-, boron-, and boride-reactive metal cermets
US4971059A (en) * 1986-07-28 1990-11-20 Niewald Jack L Medical timing device
US4772452A (en) * 1986-12-19 1988-09-20 Martin Marietta Corporation Process for forming metal-second phase composites utilizing compound starting materials
US4891338A (en) * 1987-01-13 1990-01-02 Lanxide Technology Company, Lp Production of metal carbide articles
US4940679A (en) * 1987-07-15 1990-07-10 Lanxide Technology Company, Lp Process for preparing self-supporting bodies and products made thereby
IL86947A (en) * 1987-07-15 1992-08-18 Lanxide Technology Co Ltd Process for preparing self-supporting bodies and products made thereby
AU620360B2 (en) * 1987-12-23 1992-02-20 Lanxide Corporation A method of producing and modifying the properties of ceramic composite bodies
IL92395A0 (en) * 1989-01-13 1990-07-26 Lanxide Technology Co Ltd Method of bonding a ceramic composite body to a second body and articles produced thereby

Also Published As

Publication number Publication date
NO900142D0 (no) 1990-01-11
CN1044805A (zh) 1990-08-22
IL92399A (en) 1994-08-26
IL92399A0 (en) 1990-07-26
DE69013697T2 (de) 1995-03-16
EP0378500B1 (de) 1994-11-02
EP0378500A2 (de) 1990-07-18
AU628906B2 (en) 1992-09-24
IE900110L (en) 1990-07-13
ZA90220B (en) 1991-09-25
US4885131A (en) 1989-12-05
CA2007599A1 (en) 1990-07-13
ATE113575T1 (de) 1994-11-15
KR0134961B1 (ko) 1998-04-18
PT92853A (pt) 1990-07-31
CN1022033C (zh) 1993-09-08
FI900197A0 (fi) 1990-01-12
EP0378500A3 (de) 1992-09-09
PH26246A (en) 1992-04-01
NO900142L (no) 1990-07-16
JP2911935B2 (ja) 1999-06-28
KR900011681A (ko) 1990-08-01
NZ232042A (en) 1992-04-28
BR9000049A (pt) 1990-10-09
JPH02275774A (ja) 1990-11-09
AU4779090A (en) 1990-07-19

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee