NO874395D0 - Fremgangsmaate til fremstilling av ingenioerkeramiske pulvere med additiver. - Google Patents

Fremgangsmaate til fremstilling av ingenioerkeramiske pulvere med additiver.

Info

Publication number
NO874395D0
NO874395D0 NO874395A NO874395A NO874395D0 NO 874395 D0 NO874395 D0 NO 874395D0 NO 874395 A NO874395 A NO 874395A NO 874395 A NO874395 A NO 874395A NO 874395 D0 NO874395 D0 NO 874395D0
Authority
NO
Norway
Prior art keywords
additives
procedure
preparation
ceramic powder
engineering ceramic
Prior art date
Application number
NO874395A
Other languages
English (en)
Other versions
NO874395L (no
Inventor
Ulrike Wickel
Gerhard Franz
Lothar Schoenfelder
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of NO874395D0 publication Critical patent/NO874395D0/no
Publication of NO874395L publication Critical patent/NO874395L/no

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
    • C04B35/622Forming 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62805Oxide ceramics
    • 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
    • C04B35/584Shaped 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 silicon nitride
    • 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
    • C04B35/584Shaped 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 silicon nitride
    • C04B35/593Shaped 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 silicon nitride obtained by pressure sintering
    • 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
    • C04B35/584Shaped 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 silicon nitride
    • C04B35/593Shaped 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 silicon nitride obtained by pressure sintering
    • C04B35/5935Shaped 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 silicon nitride obtained by pressure sintering obtained by gas pressure sintering
    • 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
    • C04B35/62645Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
    • 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62805Oxide ceramics
    • C04B35/62813Alumina or aluminates
    • 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62805Oxide ceramics
    • C04B35/62815Rare earth metal oxides
    • 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62805Oxide ceramics
    • C04B35/62818Refractory metal oxides
    • 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62805Oxide ceramics
    • C04B35/62818Refractory metal oxides
    • C04B35/62821Titanium oxide
    • 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62805Oxide ceramics
    • C04B35/62818Refractory metal oxides
    • C04B35/62823Zirconium or hafnium oxide
    • 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
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62886Coating the powders or the macroscopic reinforcing agents by wet chemical techniques
    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225Yttrium oxide or oxide-forming salts thereof
    • 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
    • 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
    • C04B2235/44Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/449Organic acids, e.g. EDTA, citrate, acetate, oxalate
NO874395A 1986-11-04 1987-10-21 Fremgangsmaate til fremstilling av ingenioerkeramiske pulvere med additiver. NO874395L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863637506 DE3637506A1 (de) 1986-11-04 1986-11-04 Verfahren zur herstellung von ingenieurkeramischen pulvern mit additiven

Publications (2)

Publication Number Publication Date
NO874395D0 true NO874395D0 (no) 1987-10-21
NO874395L NO874395L (no) 1988-05-05

Family

ID=6313116

Family Applications (1)

Application Number Title Priority Date Filing Date
NO874395A NO874395L (no) 1986-11-04 1987-10-21 Fremgangsmaate til fremstilling av ingenioerkeramiske pulvere med additiver.

Country Status (5)

Country Link
EP (1) EP0266641A3 (no)
JP (1) JPS63117948A (no)
CA (1) CA1274552A (no)
DE (1) DE3637506A1 (no)
NO (1) NO874395L (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741119A1 (de) * 1987-12-04 1989-06-15 Krupp Gmbh Erzeugung von sekundaerpulverteilchen mit nanokristalliner struktur und mit versiegelten oberflaechen
DE3834325A1 (de) * 1988-10-08 1990-04-12 Bayer Ag Sic-pulver, verfahren zu seiner herstellung sowie dessen verwendung sowie entsprechende sic-sinterkoerper
WO1990006906A1 (en) * 1988-12-22 1990-06-28 Norton Company Uniformly-coated ceramic particles
DE3931654A1 (de) * 1989-09-22 1991-04-04 Basf Ag Verfahren zur herstellung von mit keramischen pulvern und oxidischen sinteradditiven gefuellten massen aus thermoplastischen kunststoffen
GB9015892D0 (en) * 1990-07-19 1990-09-05 Tioxide Group Services Ltd Compositions
GB9016690D0 (en) * 1990-07-30 1990-09-12 Tioxide Group Services Ltd Ceramic green bodies
US5273699A (en) * 1992-02-14 1993-12-28 The Dow Chemical Company Moisture-resistant aluminum nitride powder and methods of making and using
WO2000063630A1 (en) * 1999-04-16 2000-10-26 Moltech Invent S.A. Protection coating of wear-exposed components used for refining molten metal
JP4969372B2 (ja) * 2007-02-27 2012-07-04 京セラ株式会社 炭化硼素粉末とその製造方法及びこれを用いた炭化硼素質成形体、炭化硼素質焼結体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761664A (en) * 1980-09-29 1982-04-14 Nat Res Inst Metals Ceramic-base composite powder and manufacture
JPS59164673A (ja) * 1983-03-11 1984-09-17 三井造船株式会社 セラミツク粉体と焼結助剤均一化方法
JPS59169969A (ja) * 1983-03-14 1984-09-26 三井造船株式会社 セラミツク粉体前処理方法
JPH0788258B2 (ja) * 1985-08-01 1995-09-27 ジ−・テイ−・イ−・ラボラトリ−ズ・インコ−ポレイテツド 焼結性の良好な窒化珪素粉末を製造する方法
CA1273185A (en) * 1985-08-01 1990-08-28 Sheldon Lieberman Process for making a homogeneous doped silicon nitride article
JPS62158166A (ja) * 1985-12-27 1987-07-14 三菱化学株式会社 窒化珪素混合粉末の製造法

Also Published As

Publication number Publication date
DE3637506A1 (de) 1988-05-05
EP0266641A3 (de) 1989-06-14
JPS63117948A (ja) 1988-05-21
CA1274552A (en) 1990-09-25
NO874395L (no) 1988-05-05
EP0266641A2 (de) 1988-05-11

Similar Documents

Publication Publication Date Title
NO874530D0 (no) Fremgangsmaate for fremstilling av nor-statin- eller nor-cyklostatin-polypeptider.
NO874004D0 (no) Fremgangsmaate for fremstilling av en antioksydasjonsmiddelblanding.
NO852900L (no) Fremgangsmaater til fremstilling av selvbaerende keramiske materialer.
NO167392C (no) Fremgangsmaate for fremstilling av imidazopyridiner.
NO870579L (no) Fremgangsmaate for fremstilling av indolizin-derivater.
NO912150L (no) Fremgangsmaate for fremstilling av keramiske sub-mikron pulvere av perovskitt-forbindelser.
NO862661D0 (no) Fremgangsmaate for fremstilling av n-aralkylpiperidinmethanolderivater.
TR28392A (tr) Seramik bilesikler yapma metodu.
DK468888D0 (da) Fremgangsmaade til fresmtilling af keramiske pulvere
NO874467D0 (no) Fremgangsmaate for fremstilling av 3-pyrrolidinoler.
NO874395D0 (no) Fremgangsmaate til fremstilling av ingenioerkeramiske pulvere med additiver.
NO872463D0 (no) Fremgangsmaate for fremstilling av dihydropyridinderivater med antihypertensiv virkning.
NO853066L (no) Fremgansmaate til fremstilling av 3-karbonyl-1-aminoalkyl-1h-indoler.
NO873824L (no) Framgangsmaate for tilvirkning av keramiske kompositter.
NO873992L (no) Fremgangsmaate for fremstilling av fluoridpreparat med langvarig frigjoerelse.
NO874268L (no) Fremgangsmaate for fremstilling av n-substituerte piperazinoner.
NO873120L (no) Fremgangsmaate til fremstilling av interferongamma.
NO883145L (no) Fremgangsmaate til fremstilling av tienoimidazol-derivater.
NO873400D0 (no) Fremgangsmaate for fremstilling av sulfidfri alkalivaeske.
NO168941C (no) Fremgangsmaate for fremstilling av mercaptoacylprolin.
NO874199D0 (no) Fremgangsmaate for fremstilling av imidazo-pyridinonderivater.
NO880345L (no) Fremgangsmaate for fremstilling av alkyl-tert-butyletere.
DK71587A (da) Fremgangsmaade til fremstilling af keramiske legemer
NO880106L (no) Fremgangsmaate til fremstilling av kalknitrogen.
NO874698D0 (no) Fremgangsmaate for fremstilling av 2-guanidinothiazolderivater.