BR9708355A - Processo para produção de um polímero poroso através do uso de um porogénio - Google Patents

Processo para produção de um polímero poroso através do uso de um porogénio

Info

Publication number
BR9708355A
BR9708355A BR9708355A BR9708355A BR9708355A BR 9708355 A BR9708355 A BR 9708355A BR 9708355 A BR9708355 A BR 9708355A BR 9708355 A BR9708355 A BR 9708355A BR 9708355 A BR9708355 A BR 9708355A
Authority
BR
Brazil
Prior art keywords
porogen
producing
porous polymer
porous
polymer
Prior art date
Application number
BR9708355A
Other languages
English (en)
Inventor
Hassan Chaouk
Gordon Francis Meijs
Original Assignee
Novartis Ag
Commw Scient Ind Res Org
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 PCT/EP1996/001340 external-priority patent/WO1996031548A1/en
Priority claimed from AUPN9145A external-priority patent/AUPN914596A0/en
Application filed by Novartis Ag, Commw Scient Ind Res Org filed Critical Novartis Ag
Publication of BR9708355A publication Critical patent/BR9708355A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0006Organic membrane manufacture by chemical reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C08J9/286Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum the liquid phase being a solvent for the monomers but not for the resulting macromolecular composition, i.e. macroporous or macroreticular polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02Polyalkylene oxides
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041Lenses
    • G02B1/043Contact lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/15Use of additives
    • B01D2323/18Pore-control agents or pore formers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/026Sponge structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • B01D2325/02833Pore size more than 10 and up to 100 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/22Thermal or heat-resistance properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/28Degradation or stability over time
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/30Chemical resistance
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2371/00Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Eyeglasses (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Medicinal Preparation (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR9708355A 1996-03-27 1997-03-20 Processo para produção de um polímero poroso através do uso de um porogénio BR9708355A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/EP1996/001340 WO1996031548A1 (en) 1995-04-04 1996-03-27 Cell growth substrate polymer
AUPN9145A AUPN914596A0 (en) 1996-04-04 1996-04-04 Novel materials
EP96810644 1996-09-30
PCT/EP1997/001409 WO1997035905A1 (en) 1996-03-27 1997-03-20 Process for manufacture of a porous polymer by use of a porogen

Publications (1)

Publication Number Publication Date
BR9708355A true BR9708355A (pt) 1999-08-03

Family

ID=25645156

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9708355A BR9708355A (pt) 1996-03-27 1997-03-20 Processo para produção de um polímero poroso através do uso de um porogénio

Country Status (15)

Country Link
US (1) US6060530A (pt)
EP (1) EP0889925B1 (pt)
JP (1) JP3696888B2 (pt)
KR (1) KR20000004975A (pt)
CN (1) CN1214708A (pt)
AR (1) AR006377A1 (pt)
AT (1) ATE268346T1 (pt)
AU (1) AU716443B2 (pt)
BR (1) BR9708355A (pt)
CA (1) CA2248003A1 (pt)
DE (1) DE69729376T2 (pt)
ID (1) ID17807A (pt)
NO (1) NO984479L (pt)
NZ (1) NZ331734A (pt)
WO (1) WO1997035905A1 (pt)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997035904A1 (en) * 1996-03-27 1997-10-02 Novartis Ag Process for manufacture of a porous polymer from a mixture
JP3888653B2 (ja) * 1998-06-09 2007-03-07 日本化薬株式会社 樹脂組成物及び硬化物
TWI230712B (en) 1998-09-15 2005-04-11 Novartis Ag Polymers
IT1312320B1 (it) 1999-05-25 2002-04-15 Ausimont Spa Membrane di polimeri amorfi (per) fluorurati.
JP4907824B2 (ja) * 2000-01-05 2012-04-04 ノバルティス アーゲー ヒドロゲル
ES2551164T3 (es) 2000-03-24 2015-11-16 Biosphere Medical, Inc. Microesferas para embolización activa
US20030212022A1 (en) * 2001-03-23 2003-11-13 Jean-Marie Vogel Compositions and methods for gene therapy
US6255360B1 (en) 2000-05-15 2001-07-03 Novartis Ag Process for the manufacture of moldings
US6770086B1 (en) * 2000-11-02 2004-08-03 Scimed Life Systems, Inc. Stent covering formed of porous polytetraflouroethylene
AUPR259301A0 (en) * 2001-01-18 2001-02-15 Polymerat Pty Ltd Polymers having co-continuous architecture
ITMI20010421A1 (it) 2001-03-01 2002-09-02 Ausimont Spa Membrane porose semipermeabili di fluoropolimeri semicristallini
JP2003131001A (ja) 2001-05-25 2003-05-08 Shipley Co Llc 多孔性光学物質
WO2003095494A1 (en) 2002-05-10 2003-11-20 Bio-Layer Pty Limited Generation of surface coating diversity
EP1364663A1 (en) 2002-05-21 2003-11-26 Commonwealth Scientific And Industrial Research Organisation Ocular devices with functionalized surface with adhesive properties
MXPA05002669A (es) * 2002-09-13 2005-08-19 Ocular Sciences Inc Dispositivos y metodos para mejorar la vision.
US7113848B2 (en) * 2003-06-09 2006-09-26 Hanson David F Human emulation robot system
US7307118B2 (en) * 2004-11-24 2007-12-11 Molecular Imprints, Inc. Composition to reduce adhesion between a conformable region and a mold
AU2004296412B2 (en) * 2003-12-12 2011-03-10 Anteo Technologies Pty Ltd A method for designing surfaces
US20050271794A1 (en) * 2003-12-24 2005-12-08 Synecor, Llc Liquid perfluoropolymers and medical and cosmetic applications incorporating same
US20050273146A1 (en) * 2003-12-24 2005-12-08 Synecor, Llc Liquid perfluoropolymers and medical applications incorporating same
US20050142315A1 (en) * 2003-12-24 2005-06-30 Desimone Joseph M. Liquid perfluoropolymers and medical applications incorporating same
US8076386B2 (en) * 2004-02-23 2011-12-13 Molecular Imprints, Inc. Materials for imprint lithography
DE102004021567A1 (de) * 2004-05-03 2005-12-08 Covion Organic Semiconductors Gmbh Elektronische Vorrichtungen enthaltend organische Halbleiter
WO2005116729A2 (en) 2004-05-20 2005-12-08 Coopervision, Inc., Corneal onlays and wavefront aberration correction to enhance vision
EP1773866B1 (en) 2004-07-02 2013-06-19 Bio-Layer Pty Limited Use of metal complexes
CN101018814B (zh) * 2004-08-03 2011-05-04 新加坡科技研究局 用于给药的具有互连孔的聚合物及方法
US20060078983A1 (en) * 2004-08-27 2006-04-13 Applera Corporation Polymer monolith substrate
TWI410696B (zh) * 2005-02-15 2013-10-01 Univ Queensland 控制近視的方法與裝置
EP1879554B2 (en) 2005-05-09 2018-03-07 Biosphere Medical, S.A. Compositions and methods using microspheres and non-ionic contrast agents
DE102005031703B3 (de) * 2005-07-05 2007-01-11 Gkss-Forschungszentrum Geesthacht Gmbh Kompositmembran
US8808808B2 (en) 2005-07-22 2014-08-19 Molecular Imprints, Inc. Method for imprint lithography utilizing an adhesion primer layer
US7759407B2 (en) * 2005-07-22 2010-07-20 Molecular Imprints, Inc. Composition for adhering materials together
US8557351B2 (en) 2005-07-22 2013-10-15 Molecular Imprints, Inc. Method for adhering materials together
US7674835B2 (en) * 2005-12-21 2010-03-09 3M Innovative Properties Company Method of making macroporous anion exchange resins
WO2007076580A1 (en) * 2005-12-30 2007-07-12 Bio-Layer Pty Limited Binding of molecules
EP1986706B1 (en) * 2006-01-30 2011-08-17 Biosphere Medical, Inc. Porous intravascular embolization particles and methods of making them
US20080033366A1 (en) 2006-01-30 2008-02-07 Surgica Corporation Compressible intravascular embolization particles and related methods and delivery systems
WO2007092550A2 (en) * 2006-02-08 2007-08-16 Coopervision Inc. Corneal onlays and related methods
US7883520B2 (en) * 2006-04-10 2011-02-08 Forsight Labs, Llc Corneal epithelial pocket formation systems, components and methods
US20080110557A1 (en) * 2006-11-15 2008-05-15 Molecular Imprints, Inc. Methods and Compositions for Providing Preferential Adhesion and Release of Adjacent Surfaces
AU2007320123A1 (en) * 2006-11-17 2008-05-22 Agency For Science, Technology And Research Porous polymeric material with cross-linkable wetting agent
AU2008276088B2 (en) * 2007-07-19 2014-04-03 Alcon, Inc. High ion and metabolite flux lenses and materials
US9790343B2 (en) 2008-06-12 2017-10-17 Avery Dennison Corporation Porous material and method for producing the same
US20100087920A1 (en) * 2008-10-07 2010-04-08 Forsight Labs, Llc Corneal Onlay Lenses and Related Methods for Improving Vision of Presbyopic Patients
JP2012507562A (ja) * 2008-10-30 2012-03-29 ダビド リウ 微小球性多孔質生体適合性足場並びにその製造方法及び装置
EP2398577A2 (en) * 2009-02-19 2011-12-28 Bonner, Alex Garfield Porous interpenetrating polymer network
WO2010107390A1 (en) 2009-03-19 2010-09-23 Agency For Science, Technology And Research Forming copolymer from bicontinuous microemulsion comprising monomers of different hydrophilicity
US9138308B2 (en) 2010-02-03 2015-09-22 Apollo Endosurgery, Inc. Mucosal tissue adhesion via textured surface
CA2799201C (en) 2010-05-11 2016-09-20 Allergan, Inc. Porogen compositions, methods of making and uses
US8926733B2 (en) * 2010-05-13 2015-01-06 Air Products And Chemicals, Inc. Polymers, polymer membranes and methods of producing the same
SG177871A1 (en) * 2010-07-20 2012-02-28 Agency Science Tech & Res Method and apparatus for forming a porous biodegradable medical implant device
US9333454B2 (en) 2011-01-21 2016-05-10 International Business Machines Corporation Silicone-based chemical filter and silicone-based chemical bath for removing sulfur contaminants
US8900491B2 (en) 2011-05-06 2014-12-02 International Business Machines Corporation Flame retardant filler
JP6270716B2 (ja) * 2011-06-23 2018-01-31 ソルベイ スペシャルティ ポリマーズ イタリー エス.ピー.エー. 多孔質膜を製造する方法
BR112014000042A2 (pt) * 2011-07-05 2017-02-21 Novozymes Biopharma Dk As composição, meio de cultura celular, uso de uma composição, e, método para cultivar células
US9186641B2 (en) 2011-08-05 2015-11-17 International Business Machines Corporation Microcapsules adapted to rupture in a magnetic field to enable easy removal of one substrate from another for enhanced reworkability
US8741804B2 (en) 2011-10-28 2014-06-03 International Business Machines Corporation Microcapsules adapted to rupture in a magnetic field
US9716055B2 (en) 2012-06-13 2017-07-25 International Business Machines Corporation Thermal interface material (TIM) with thermally conductive integrated release layer
WO2014022657A1 (en) 2012-08-02 2014-02-06 Allergan, Inc. Mucosal tissue adhesion via textured surface
ES2909735T3 (es) 2012-08-21 2022-05-10 Vertera Inc Método para fabricar artículos porosos
WO2014052724A1 (en) 2012-09-28 2014-04-03 Allergan, Inc. Porogen compositions, methods of making and uses
CN105008418B (zh) * 2012-12-21 2019-01-15 索尔维特殊聚合物意大利有限公司 亲水性氟聚合物
CN105228820B (zh) * 2013-05-17 2017-08-29 3M创新有限公司 反应混合物、多孔粒子以及制备方法
WO2016166358A1 (en) 2015-04-17 2016-10-20 Dsm Ip Assets B.V. Aqueous dispersion and uses thereof
CN110891992B (zh) * 2017-07-26 2022-08-05 毕克化学有限公司 具有聚醚和聚硅氧烷链段的聚合物
AU2019277272A1 (en) * 2018-05-31 2020-11-26 University Of Tasmania Sorbent and sorption device
US11638904B2 (en) * 2019-12-16 2023-05-02 The University Of South Alabama Porous membrane encapsulated pellet and method for its preparation
EP3848201A1 (en) * 2020-01-13 2021-07-14 Karlsruher Institut für Technologie Printing of inherently porous three-dimensional polymer objects
US20220064427A1 (en) * 2020-08-28 2022-03-03 Lawrence Livermore National Security, Llc Actinic and thermal cure fluoropolymers with controlled porosity
CN115364681B (zh) * 2022-08-18 2024-05-24 宁夏清研高分子新材料有限公司 一种高孔隙率亲水聚砜膜及其制备方法
WO2024123211A1 (en) * 2022-12-07 2024-06-13 Xpanceo Research On Natural Science L.L.C. Porous material producing method,contact lens containing said material, and porous material with gradient refractive index
CN117784447B (zh) * 2024-02-27 2024-05-10 四川兴泰普乐医疗科技有限公司 一种高效保湿软性亲水接触镜

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018512B1 (pt) * 1970-06-15 1975-06-30
US4818801A (en) * 1982-01-18 1989-04-04 Minnesota Mining And Manufacturing Company Ophthalmic device comprising a polymer of a telechelic perfluoropolyether
US4569962A (en) * 1983-09-19 1986-02-11 Minnesota Mining And Manufacturing Company Perfluoropolyether compositions which are soluble in non-fluorinated solvents
IL79884A (en) * 1985-09-23 1990-11-05 Gelman Sciences Inc Microporous membrane laminate
IT1204903B (it) * 1986-06-26 1989-03-10 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri florati
DE3850915T2 (de) * 1987-05-20 1995-03-09 David M Anderson Membran-System.
US4889632A (en) * 1987-12-10 1989-12-26 Ceskoslovenska Akademie Ved Macroporous polymeric membranes for the separation of polymers and a method of their application
US4806291A (en) * 1988-02-22 1989-02-21 Ionics, Incorporated Process for preparing microporous polyvinylidene fluoride membranes
US4902456A (en) * 1988-05-04 1990-02-20 Millipore Corporation Fluorocarbon membranes and process for making fluorocarbon membranes
IT1270818B (it) * 1993-04-28 1997-05-13 Ausimont Spa Coatings a base di perfluoropolieteri contenenti gruppi acrilici
AUPN215995A0 (en) * 1995-04-04 1995-04-27 Ciba-Geigy Ag Novel materials
MX9707591A (es) * 1995-04-04 1997-12-31 Novartis Ag Macromero de siloxano de eter perfluoroalquilico polimerizable.

Also Published As

Publication number Publication date
NO984479D0 (no) 1998-09-25
AU716443B2 (en) 2000-02-24
KR20000004975A (ko) 2000-01-25
EP0889925A1 (en) 1999-01-13
NO984479L (no) 1998-11-27
CA2248003A1 (en) 1997-10-02
JP3696888B2 (ja) 2005-09-21
DE69729376D1 (de) 2004-07-08
NZ331734A (en) 2000-01-28
ATE268346T1 (de) 2004-06-15
EP0889925B1 (en) 2004-06-02
DE69729376T2 (de) 2005-06-02
AU2289797A (en) 1997-10-17
ID17807A (id) 1998-01-29
US6060530A (en) 2000-05-09
WO1997035905A1 (en) 1997-10-02
JP2000508006A (ja) 2000-06-27
CN1214708A (zh) 1999-04-21
AR006377A1 (es) 1999-08-25

Similar Documents

Publication Publication Date Title
BR9708355A (pt) Processo para produção de um polímero poroso através do uso de um porogénio
BR9908248B1 (pt) processo para a pàs-reticulaÇço superficial de polÍmeros que absorvem Água, e, uso de um polÍmero preparado pelo processo.
BR9708357A (pt) Processo para produção de um polímero poroso a partir de uma mistura
PT916675E (pt) Processo para preparacao de sildenafil
BR9710457A (pt) Processo para a prepara-Æo de ciclohexanodimetanol
PT819704E (pt) Processo para a obtencao de polimeros hidro-soluveis, polimeros obtidos e suas utilizacoes
BR9906934B1 (pt) composto, catalisador, processo para preparar uma poliolefina, e, uso de um catalisador.
DK0790226T3 (da) Fremgangsmåde til fremstilling af methanol
AU4582697A (en) Porous structures and process for the manufacture thereof
BR9510034A (pt) Processo para preparação de polietileno
BR9710698A (pt) Processo para a prepara-Æo de part¡culas polim-ricas part¡culas polim-ricas artigo esponjado e uso das part¡culas polim-ricas
PT934915E (pt) Betao de muito alto desempenho, autonivelante, processo para a preparacao do mesmo e sua utilizacao
PT1003792E (pt) Um processo para a preparacao de polietileno
BR9400395A (pt) Processo de polimerização para preparar partículas poliméricas porosas
BR9804378B1 (pt) compostos, processo para sua produção e uso.
DK0937055T3 (da) Fremgangsmåde til fremstilling af d,I-alfa-tocopherol
BR9806786B1 (pt) processo para a preparaÇço de um Éter de mono-fléor-metila.
BR9602922A (pt) Composição mistura estabilizadora uso e processo para a preparação de um polímero
BR9710099A (pt) Processo para produzir compostos
BR9505055A (pt) Processo para a preparação de polímeros de olefina uso de umcompost e poliolefina estabilizada
BR9709096A (pt) Processo para a preparação de 4,6-di-hidróxi-pirimidina
BR9708971A (pt) Processo para a polimerização de alfa-olefinas
BR9611930A (pt) Processo para preparação de partículas de poliolefina porosas
BR9802621B1 (pt) mÉtodo para a produÇço de um prÉ-impregnado e uso de um prÉ-impregnado.
BR9703095A (pt) Processo para preparação de aldeídos

Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
B09B Patent application refused [chapter 9.2 patent gazette]