CH478660A - Procédé de préparation d'un article façonné en nitrures métalliques - Google Patents

Procédé de préparation d'un article façonné en nitrures métalliques

Info

Publication number
CH478660A
CH478660A CH122467A CH122467A CH478660A CH 478660 A CH478660 A CH 478660A CH 122467 A CH122467 A CH 122467A CH 122467 A CH122467 A CH 122467A CH 478660 A CH478660 A CH 478660A
Authority
CH
Switzerland
Prior art keywords
preparing
shaped article
metal nitrides
nitrides
metal
Prior art date
Application number
CH122467A
Other languages
English (en)
Inventor
Henry Hamling Bernard
Original Assignee
Union Carbide Corp
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
Priority claimed from US576840A external-priority patent/US3385915A/en
Priority claimed from US602571A external-priority patent/US3403008A/en
Priority claimed from US602555A external-priority patent/US3406025A/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of CH478660A publication Critical patent/CH478660A/fr

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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62272—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on non-oxide ceramics
    • C04B35/62286—Fibres based on nitrides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped 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 titanium oxides or titanates
    • 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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped 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 zirconium or hafnium oxides, zirconates, zircon or hafnates
    • 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
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C04B35/583—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 boron nitride
    • 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
    • C04B35/584—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 silicon nitride
    • C04B35/591—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 silicon nitride obtained by reaction sintering
    • 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
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62272—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on non-oxide ceramics
    • C04B35/62286—Fibres based on nitrides
    • C04B35/6229—Fibres based on nitrides based on boron nitride
    • 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
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62272—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on non-oxide ceramics
    • C04B35/62286—Fibres based on nitrides
    • C04B35/62295—Fibres based on nitrides based on silicon nitride
    • 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
    • C22C1/08—Alloys with open or closed pores
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/19—Inorganic fiber

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Inorganic Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Laminated Bodies (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH122467A 1963-11-01 1967-01-27 Procédé de préparation d'un article façonné en nitrures métalliques CH478660A (fr)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US32084363A 1963-11-01 1963-11-01
US45132665A 1965-04-27 1965-04-27
US52238066A 1966-01-24 1966-01-24
US52355066A 1966-01-28 1966-01-28
US52354966A 1966-01-28 1966-01-28
US576840A US3385915A (en) 1966-09-02 1966-09-02 Process for producing metal oxide fibers, textiles and shapes
US602572A US3399979A (en) 1963-11-01 1966-12-19 Process for producing metal nitride fibers, textiles and shapes
US602571A US3403008A (en) 1966-12-19 1966-12-19 Process for producing metal carbide fibers, textiles and shapes
US602555A US3406025A (en) 1966-12-19 1966-12-19 Process for producing metal fibers, textiles and shapes

Publications (1)

Publication Number Publication Date
CH478660A true CH478660A (fr) 1969-09-30

Family

ID=27578803

Family Applications (2)

Application Number Title Priority Date Filing Date
CH99967A CH487287A (fr) 1963-11-01 1967-01-24 Procédé de préparation d'un article façonné en carbure métallique crustallin
CH122467A CH478660A (fr) 1963-11-01 1967-01-27 Procédé de préparation d'un article façonné en nitrures métalliques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH99967A CH487287A (fr) 1963-11-01 1967-01-24 Procédé de préparation d'un article façonné en carbure métallique crustallin

Country Status (11)

Country Link
US (1) US3399979A (fr)
JP (1) JPS5015889B1 (fr)
AT (3) AT277442B (fr)
BE (3) BE692904A (fr)
CH (2) CH487287A (fr)
DE (2) DE1619183A1 (fr)
FR (3) FR1508760A (fr)
GB (2) GB1159210A (fr)
IL (3) IL27279A (fr)
NL (3) NL153164B (fr)
SE (2) SE309745B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630766A (en) * 1969-11-25 1971-12-28 Carborundum Co Refractory fibers and method of producing same
US3880769A (en) * 1970-05-25 1975-04-29 Atomic Energy Commission Method of making microspheroidal nuclear fuels having closed porosity
GB1436245A (en) * 1972-09-08 1976-05-19 Kanebo Ltd Catalysts for the oxidation of carbon monoxide and their pro duction
DE2262868C3 (de) * 1972-12-22 1979-03-29 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur Herstellung von reinen Monokarbiden, Mononitriden und Karbonitriden
US4087500A (en) * 1973-12-20 1978-05-02 Ford Motor Company Method of making a duo density silicon nitride article
DE2441260B2 (de) * 1974-08-28 1976-12-02 Laboratoire Suisse de Recherches Horlogeres, Neuenburg (Schweiz); Gutehoffnungshütte Sterkrade AG, 4200 Oberhausen Verfahren zur herstellung einer als trennmittel und diffusionsbarriere wirkenden schicht
US3997638A (en) * 1974-09-18 1976-12-14 Celanese Corporation Production of metal ion containing carbon fibers useful in electron shielding applications
US4101616A (en) * 1975-10-30 1978-07-18 Gte Sylvania Incorporated Process for producing Si3 N4 article
CA1085596A (fr) * 1977-03-02 1980-09-16 Robert S. Hamilton Articles de fibres de nitrure de bore jointes par nitrification de l'oxyde de bore
US4130631A (en) * 1977-03-02 1978-12-19 The Carborundum Company BN Bonded BN fiber article from boric oxide fiber
US4175153A (en) * 1978-05-16 1979-11-20 Monsanto Company Inorganic anisotropic hollow fibers
US4396587A (en) * 1980-08-29 1983-08-02 Asahi-Dow Limited Method for manufacture of silicon nitride
JPS58169997A (ja) * 1982-03-31 1983-10-06 日本カ−ボン株式会社 電波吸収体
US4505888A (en) * 1983-05-27 1985-03-19 E. I. Du Pont De Nemours & Company Tracer for circulation determinations
JPS6112915A (ja) * 1984-06-25 1986-01-21 Tokushu Muki Zairyo Kenkyusho 実質的にＳｉ，Ｎ及びＯからなる連続無機繊維とその製造法
JPS61295298A (ja) * 1985-06-21 1986-12-26 Nippon Carbon Co Ltd 窒化ケイ素の製造方法
JPS6253417A (ja) * 1985-09-03 1987-03-09 Mitsubishi Chem Ind Ltd 窒化アルミニウム繊維およびその製法
US4904424A (en) * 1987-05-29 1990-02-27 Hoechst Celanese Corporation Ceramic alloys from colloidal metal alloy suspensions
EP0312024B1 (fr) * 1987-10-15 1992-06-24 Mitsubishi Materials Corporation Procédé de préparation d'articles en fibres métalliques
US4931316A (en) * 1988-09-06 1990-06-05 Hoechst Celanese Corp. Preparation of interstitial titanium ceramic fibers
CA2562671C (fr) * 2004-04-21 2013-04-16 Robert T. Nilsson Procede permettant d'ameliorer la resistance de corps ceramiques poreux et corps ceramiques fabriques selon ledit procede
US8536080B2 (en) * 2008-06-18 2013-09-17 Advanced Cetametrics, Inc. Boron carbide ceramic fibers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US575261A (en) * 1897-01-12 Gas-in can descent
US399174A (en) * 1889-03-05 Incandescent device
US623723A (en) * 1899-04-25 Georg kohl
US2870000A (en) * 1954-10-05 1959-01-20 Nat Aluminate Corp Finely divided metal-containing substances and process for the preparation thereof
US3087233A (en) * 1960-11-16 1963-04-30 Fram Corp Pervious metal fiber material and method of making the same
US3180702A (en) * 1962-12-04 1965-04-27 United Nuclear Corp Process for preparing uranium nitride
US3244480A (en) * 1964-03-03 1966-04-05 Robert C Johnson Synthesis of fibrous silicon nitride
US3622657A (en) * 1969-09-24 1971-11-23 Exxon Research Engineering Co Method for forming and cooling thermoplastic film

Also Published As

Publication number Publication date
IL27278A (en) 1972-07-26
DE1669553B2 (de) 1975-10-30
NL6701372A (fr) 1967-07-31
GB1177782A (en) 1970-01-14
JPS5015889B1 (fr) 1975-06-09
DE1669551B2 (de) 1975-08-21
FR1509452A (fr) 1968-01-12
CH487287A (fr) 1970-03-15
IL27280A (en) 1972-10-29
SE309745B (fr) 1969-03-31
FR1510317A (fr) 1968-01-19
NL142419B (nl) 1974-06-17
NL6701101A (fr) 1967-07-25
BE692904A (fr) 1967-07-19
FR1508760A (fr) 1968-01-05
GB1159210A (en) 1969-07-23
SE369529B (fr) 1974-09-02
AT280464B (de) 1970-04-10
DE1669551A1 (de) 1971-08-05
NL6701371A (fr) 1967-07-31
IL27279A (en) 1972-04-27
US3399979A (en) 1968-09-03
AT277442B (de) 1969-12-29
AT280463B (de) 1970-04-10
BE693178A (fr) 1967-07-25
DE1619183A1 (de) 1970-11-05
BE693177A (fr) 1967-07-25
DE1558434B1 (de) 1970-10-08
NL143999B (nl) 1974-11-15
DE1669553A1 (de) 1972-03-09
NL153164B (nl) 1977-05-16

Similar Documents

Publication Publication Date Title
CH478660A (fr) Procédé de préparation d'un article façonné en nitrures métalliques
CH450406A (fr) Procédé de synthèse d'un séco-stéroïde
CH449593A (fr) Procédé pour la préparation de nitrures métalliques
CH440256A (fr) Procédé de préparation d'un nitrile
FR1513768A (fr) Procédé de préparation d'un amidon modifié
CH424771A (fr) Procédé de préparation d'un nouvel A-nor-B-homo-estrane
CH410424A (fr) Procédé de préparation d'un copolymère
FR1323724A (fr) Procédé de préparation d'un alliage fer-aluminium
FR1506030A (fr) Procédé de préparation de thiosulfate d'ammonium
CH534154A (fr) Procédé de préparation d'un 3-aryloxy-8-carbamoylnortropane
BE617664A (fr) Procédé de préparation d'un hémostaticum.
FR1381023A (fr) Procédé de préparation d'un ester phosphonitrilique
FR1321013A (fr) Procédé de préparation d'une cobaltiprotoporphyrine
FR1372730A (fr) Procédé d'élaboration d'aciers alliés
CH428696A (fr) Procédé de préparation d'alcoyl-cyclopentane-diones
FR1296695A (fr) Procédé perfectionné de havage pour la progression d'un caisson
FR1365831A (fr) Procédé de préparation d'un amidon modifié
BE627228A (fr) Procédé de préparation d'oxyméthyl-cyclododécane
FR1481576A (fr) Procédé de préparation d'un détergent
FR1365206A (fr) Procédé de préparation d'un gel
FR82477E (fr) Procédé de préparation d'un alliage fer-aluminium
CH465137A (fr) Procédé de préparation d'un polysaccharide
FR1394286A (fr) Procédé de préparation d'oxazinones
CH420166A (fr) Procédé de préparation d'w-lactames
CH416614A (fr) Procédé de préparation d'un bis-hydroxyméthylpregnane

Legal Events

Date Code Title Description
PL Patent ceased