NL185022B - Werkwijze voor de vervaardiging van voorwerpen uit driedimensionale weefsels. - Google Patents

Werkwijze voor de vervaardiging van voorwerpen uit driedimensionale weefsels.

Info

Publication number
NL185022B
NL185022B NLAANVRAGE7701116,A NL7701116A NL185022B NL 185022 B NL185022 B NL 185022B NL 7701116 A NL7701116 A NL 7701116A NL 185022 B NL185022 B NL 185022B
Authority
NL
Netherlands
Prior art keywords
articles
manufacture
dimensional tissues
tissues
dimensional
Prior art date
Application number
NLAANVRAGE7701116,A
Other languages
English (en)
Other versions
NL185022C (nl
NL7701116A (nl
Inventor
Bernard Bouillon
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of NL7701116A publication Critical patent/NL7701116A/nl
Publication of NL185022B publication Critical patent/NL185022B/nl
Application granted granted Critical
Publication of NL185022C publication Critical patent/NL185022C/nl

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D25/00—Woven fabrics not otherwise provided for
    • D03D25/005—Three-dimensional woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/115—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by applying or inserting filamentary binding elements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
    • D04H5/10—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns otherwise than in a plane, e.g. in a tubular way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/16—Wood, e.g. woodboard, fibreboard, woodchips
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/902—High modulus filament or fiber
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24033—Structurally defined web or sheet [e.g., overall dimension, etc.] including stitching and discrete fastener[s], coating or bond
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • Y10T428/292—In coating or impregnation

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Knitting Of Fabric (AREA)
  • Ceramic Products (AREA)
  • Inorganic Fibers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
NLAANVRAGE7701116,A 1976-02-03 1977-02-02 Werkwijze voor de vervaardiging van voorwerpen uit driedimensionale weefsels. NL185022C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7602943A FR2355936A1 (fr) 1976-02-03 1976-02-03 Procede de fabrication de pieces en tissus tri-dimensionnels

Publications (3)

Publication Number Publication Date
NL7701116A NL7701116A (nl) 1977-08-05
NL185022B true NL185022B (nl) 1989-08-01
NL185022C NL185022C (nl) 1990-01-02

Family

ID=9168704

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7701116,A NL185022C (nl) 1976-02-03 1977-02-02 Werkwijze voor de vervaardiging van voorwerpen uit driedimensionale weefsels.

Country Status (8)

Country Link
US (1) US4059468A (nl)
JP (1) JPS5296279A (nl)
BE (1) BE850558A (nl)
DE (1) DE2704378C2 (nl)
FR (1) FR2355936A1 (nl)
GB (1) GB1517671A (nl)
IT (1) IT1078392B (nl)
NL (1) NL185022C (nl)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398705B1 (nl) * 1977-07-29 1980-01-04 Lorraine Carbone
US4206895A (en) * 1978-03-30 1980-06-10 Olez Nejat A Loop-tension joint
FR2433003A1 (fr) * 1978-08-08 1980-03-07 Commissariat Energie Atomique Procede de fabrication d'un materiau renforce par une structure textile tridimensionnelle
FR2434964A1 (fr) * 1978-08-29 1980-03-28 Kulakov Valery Procede d'obtention d'une piece de friction
FR2440494A1 (fr) * 1978-11-03 1980-05-30 Aerospatiale Procede de fabrication de couronnes cylindriques a armature tissee tridimensionnelle, notamment de disques de freins, et appareillage destine a sa mise en oeuvre
FR2446175A1 (fr) * 1979-01-09 1980-08-08 Europ Propulsion Texture stratifiee renforcee
DE2967605D1 (en) * 1979-04-16 1986-08-07 Grumman Aerospace Corp Method of fastening a composite sub-structure and structural assembly
US4299871A (en) * 1979-09-04 1981-11-10 Grumman Aerospace Corporation Stitch bond fastening of composite structures
JPS5727746A (en) * 1980-07-25 1982-02-15 Toho Beslon Co Three dimensional fiber reinforcing composite material and its manufacture
FR2497726A1 (fr) * 1981-01-12 1982-07-16 Brochier Fils J Article textile multicouches pour le renforcement de materiaux stratifies et procede pour son obtention
US4356090A (en) * 1981-09-28 1982-10-26 Marine Construction & Design Co. Flow-through oil/water separation filter
FR2521127B1 (fr) * 1982-02-09 1986-04-04 Europ Propulsion Procede et dispositif pour la realisation de parois deformables elastiquement en fibres de carbone
US4876973A (en) * 1984-09-04 1989-10-31 Lockheed Corporation Method of and apparatus for blind tufting composite laminated joints
FR2591240B1 (fr) * 1985-12-05 1988-04-01 Brochier Sa Article textile multicouches pour la realisation de materiaux stratifies; procede et dispositif pour son obtention
US5725950A (en) * 1986-09-19 1998-03-10 Hoechst Celanese Corp. Coating of preceramic articles with silicon and/or carbon during pyrolysis to ceramic
FR2612950B1 (fr) * 1987-03-25 1989-06-09 Aerospatiale Procede de fabrication d'elements d'armature composites tisses en trois dimensions, machine pour sa mise en oeuvre et produit obtenu
FR2643657B1 (fr) * 1989-02-20 1994-08-12 Toyoda Automatic Loom Works Tissu tridimensionnel et procede pour sa fabrication
GB2234533B (en) * 1989-07-25 1994-04-06 Dunlop Ltd Carbon-brake disc
FR2665860B1 (fr) * 1990-08-14 1994-04-08 Aerospatiale Ste Nationale Indle Dispositif de protection thermique de la paroi interne d'une structure creuse soumise a un ecoulement ablatif et son procede de fabrication.
FR2684719B1 (fr) * 1991-12-04 1994-02-11 Snecma Aube de turbomachine comprenant des nappes de materiau composite.
FR2686627B1 (fr) * 1992-01-24 1995-06-16 Aerospatiale Procede pour le piquage d'une piece fibreuse, piece fibreuse ainsi obtenue et piece composite fibres-matrice obtenue a partir de ladite piece fibreuse.
FR2687389B1 (fr) * 1992-02-17 1994-05-06 Aerospatiale Ste Nationale Indle Dispositif et procede pour realiser une piece de structure complexe par depose au contact de fil ou ruban.
US5337647A (en) * 1992-03-13 1994-08-16 The Boeing Company 3 dimensional braiding apparatus
FR2718758B1 (fr) * 1994-04-18 1996-06-14 Aerospatiale Procédé et machine pour la réalisation d'une armature pour une pièce de matière composite.
FR2718759B1 (fr) * 1994-04-18 1996-06-14 Aerospatiale Tête de piquage et machine pour la réalisation d'une armature en forme de plaque pour une pièce de matière composite.
FR2718757B1 (fr) * 1994-04-18 1996-06-14 Aerospatiale Procédé et machine pour la réalisation d'une armature en forme de plaque pour une pièce de matière composite.
FR2718756B1 (fr) * 1994-04-18 1996-06-14 Aerospatiale Procédé et machine pour la réalisation d'une armature en forme de bloc pour une pièce de matière composite.
US7785693B2 (en) 2001-04-06 2010-08-31 Ebert Composites Corporation Composite laminate structure
US6676785B2 (en) 2001-04-06 2004-01-13 Ebert Composites Corporation Method of clinching the top and bottom ends of Z-axis fibers into the respective top and bottom surfaces of a composite laminate
US7105071B2 (en) 2001-04-06 2006-09-12 Ebert Composites Corporation Method of inserting z-axis reinforcing fibers into a composite laminate
US7731046B2 (en) * 2001-04-06 2010-06-08 Ebert Composites Corporation Composite sandwich panel and method of making same
US6645333B2 (en) 2001-04-06 2003-11-11 Ebert Composites Corporation Method of inserting z-axis reinforcing fibers into a composite laminate
US7056576B2 (en) 2001-04-06 2006-06-06 Ebert Composites, Inc. 3D fiber elements with high moment of inertia characteristics in composite sandwich laminates
US20050118448A1 (en) * 2002-12-05 2005-06-02 Olin Corporation, A Corporation Of The Commonwealth Of Virginia Laser ablation resistant copper foil
DE10334342A1 (de) * 2003-07-29 2005-02-24 Mtu Aero Engines Gmbh Fasergelege und Verfahren zur Herstellung desselben
US10603867B1 (en) 2011-05-24 2020-03-31 Enevate Corporation Carbon fibers and methods of producing the same
GB2620903A (en) * 2022-03-29 2024-01-31 Graphene Innovations Manchester Ltd Pressure vessel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008247B (de) * 1956-04-16 1957-05-16 Wirkmaschb Limbach Oberfrohna Verfahren zum Herstellen eines Textilstoffes, bestehend aus mindestens zwei Faserflorlagen
US3367812A (en) * 1962-11-14 1968-02-06 Union Carbide Corp Process of producing carbonized articles
FR92068E (fr) * 1967-02-23 1968-09-20 Lorraine Carbone Assemblage de feutre de carbone pour isolation thermique
US3700535A (en) * 1971-03-12 1972-10-24 Atomic Energy Commission Carbon fiber structure and method of forming same
US3779789A (en) * 1971-04-20 1973-12-18 Celanese Corp Production of pervious low density carbon fiber reinforced composite articles
GB1447029A (en) * 1972-07-21 1976-08-25 Hyfil Ltd Carbon fibre composite
US3917884A (en) * 1973-04-23 1975-11-04 Fiber Materials Method of making wound graphite carbon body

Also Published As

Publication number Publication date
DE2704378A1 (de) 1977-08-11
FR2355936A1 (fr) 1978-01-20
JPS6130059B2 (nl) 1986-07-10
NL185022C (nl) 1990-01-02
FR2355936B1 (nl) 1980-06-20
JPS5296279A (en) 1977-08-12
GB1517671A (en) 1978-07-12
US4059468A (en) 1977-11-22
DE2704378C2 (de) 1986-03-20
NL7701116A (nl) 1977-08-05
BE850558A (fr) 1977-05-16
IT1078392B (it) 1985-05-08

Similar Documents

Publication Publication Date Title
NL185022B (nl) Werkwijze voor de vervaardiging van voorwerpen uit driedimensionale weefsels.
NL7700244A (nl) Werkwijze voor de bereiding van fthalanderivaten.
NL7708180A (nl) Werkwijze voor de bereiding van tetraaelkyl-bis- -cyclohexylaminederivaten.
NL183033C (nl) Werkwijze voor de bereiding van n-fosfonomethylglycine.
NL7712627A (nl) Werkwijze voor de bereiding van triazoolderiva- ten.
NL178684C (nl) Werkwijze voor de bereiding van dialkyloxalaten.
NL7703892A (nl) Werkwijze voor de bereiding van maleineimiden.
NL7702420A (nl) Werkwijze voor de bereiding van formamiden.
NL7709748A (nl) Werkwijze voor de bereiding van methoxypsoraleen.
NL189129C (nl) Werkwijze voor de bereiding van acylcyaniden.
NL7712397A (nl) Werkwijze voor de bereiding van esters.
NL7707762A (nl) Werkwijze voor de bereiding van esters.
NL189088C (nl) Werkwijze voor de bereiding van acylcyaniden.
NL7707229A (nl) Werkwijze voor de bereiding van methyldichloor- fosfaan.
NL7707729A (nl) Werkwijze voor de bereiding van 5-m-tolyloxy- uracil.
NL7710536A (nl) Werkwijze voor de bereiding van esters.
NL7711600A (nl) Werkwijze voor de bereiding van n-chlooracetyl- -n-fenylalanine-esters.
NL7708394A (nl) Werkwijze voor de bereiding van esters.
NL188996C (nl) Werkwijze voor de bereiding van acylcyaniden.
NL7706508A (nl) Werkwijze voor de bereiding van p-isobutylhydra- tropaat quajacol.
NL7707763A (nl) Werkwijze voor de bereiding van methyldichloor- fosfaan.
NL7710442A (nl) Werkwijze voor de continue bereiding van acetoaceetamiden.
NL7702065A (nl) Werkwijze voor de vervaardiging van tabakfoelies.
NL7705897A (nl) Werkwijze voor de bereiding van polysaccharide-1.
NL7709237A (nl) Werkwijze voor de bereiding van 3-methyl-2-p- -halogeenfenylbutyronitril.

Legal Events

Date Code Title Description
BV The patent application has lapsed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee