BR9205649A - Processo para preparar polímeros olefínicos - Google Patents

Processo para preparar polímeros olefínicos

Info

Publication number
BR9205649A
BR9205649A BR9205649A BR9205649A BR9205649A BR 9205649 A BR9205649 A BR 9205649A BR 9205649 A BR9205649 A BR 9205649A BR 9205649 A BR9205649 A BR 9205649A BR 9205649 A BR9205649 A BR 9205649A
Authority
BR
Brazil
Prior art keywords
olefinic polymers
preparing olefinic
preparing
polymers
olefinic
Prior art date
Application number
BR9205649A
Other languages
English (en)
Inventor
Norbert Baron
Original Assignee
Exxon Chemical Patents Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10690280&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9205649(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of BR9205649A publication Critical patent/BR9205649A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
BR9205649A 1991-02-20 1992-02-19 Processo para preparar polímeros olefínicos BR9205649A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919103527A GB9103527D0 (en) 1991-02-20 1991-02-20 Hp catalyst killer
PCT/EP1992/000377 WO1992014766A1 (en) 1991-02-20 1992-02-19 Hp catalyst killer

Publications (1)

Publication Number Publication Date
BR9205649A true BR9205649A (pt) 1994-05-03

Family

ID=10690280

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9205649A BR9205649A (pt) 1991-02-20 1992-02-19 Processo para preparar polímeros olefínicos

Country Status (13)

Country Link
US (1) US5432242A (pt)
EP (1) EP0572462B2 (pt)
JP (1) JP3190927B2 (pt)
KR (1) KR100224528B1 (pt)
CN (1) CN1045607C (pt)
AU (1) AU653388B2 (pt)
BR (1) BR9205649A (pt)
DE (1) DE69205824T3 (pt)
ES (1) ES2079182T5 (pt)
GB (1) GB9103527D0 (pt)
MX (1) MX9200695A (pt)
TW (1) TW207548B (pt)
WO (1) WO1992014766A1 (pt)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993013140A1 (en) † 1991-12-23 1993-07-08 Exxon Chemical Patents Inc. A modified monocyclopentadienyl transition metal/alumoxane catalyst system for polymerization of olefins
CA2110654C (en) * 1992-12-17 2006-03-21 Albert Rossi Dilute process for the polymerization of ethylene/alpha-olefin copolymer using metallocene catalyst systems
TW274100B (pt) * 1993-02-12 1996-04-11 Hoechst Ag
CA2127822A1 (en) * 1993-07-13 1995-01-14 Yoshinori Morita Process for gas phase polymerization of olefin
US5648438A (en) * 1994-04-01 1997-07-15 Exxon Chemical Patents, Inc. Process for producing polymers with multimodal molecular weight distributions
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US6300451B1 (en) * 1994-10-24 2001-10-09 Exxon Chemical Patents Inc. Long-chain branched polymers and their production
US5478899A (en) * 1994-10-27 1995-12-26 Shell Oil Company Alkoxy silyl capping agents for making terminally functionalized polymers
US6015862A (en) * 1994-11-18 2000-01-18 The Penn State Research Foundation Functionalized α-olefin/para-alkylstyrene terpolymers
NO301331B1 (no) 1996-03-05 1997-10-13 Borealis As Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner
DE19618007A1 (de) * 1996-05-04 1997-11-06 Basf Ag Verfahren zur Wiedergewinnung von Metallocenkomplexen
DE69702978T3 (de) † 1996-06-17 2009-08-13 Exxonmobil Chemical Patents Inc., Baytown Polymerisationsverfahren unter erhöhtem druck mit spätübergangsmetallkatalysatorsystemen
US5731381A (en) * 1996-11-01 1998-03-24 Union Carbide Chemicals & Plastics Technology Corporation Termination of gas phase polymerizations of conjugated dienes, vinyl-substituted aromatic compounds and mixtures thereof
US6486088B1 (en) 1998-10-23 2002-11-26 Exxonmobil Chemical Patents Inc. High activity carbenium-activated polymerization catalysts
BE1012364A3 (fr) * 1998-12-22 2000-10-03 Solvay Procede pour la preparation d'une composition catalytique pour la polymerisation des alpha-olefines, composition catalytique obtenue et procede de polymerisation utilisant une telle composition catalytique
US6111034A (en) * 1998-12-31 2000-08-29 Union Carbide Chemicals & Plastics Technology Corporation Static control in olefin polymerization
WO2002005957A2 (en) * 2000-07-17 2002-01-24 Honeywell International Inc. Supported catalyst systems
US6388027B1 (en) * 2000-10-24 2002-05-14 Union Carbide Chemicals & Plastics Technology Corporation Transition strategy for the production of sticky polymers
ES2271099T3 (es) 2000-10-25 2007-04-16 Exxonmobil Chemical Patents, Inc. Procediminetos y aparatos para polimerizacion en disolucion en continuo.
US6365681B1 (en) 2001-01-16 2002-04-02 Union Carbide Chemicals & Plastics Technology Corporation Preventing upsets in polymerization reactors
AU2002357251B2 (en) 2001-12-21 2009-07-30 Dow Global Technologies Inc. Additive for rendering inert acidic or halogen-containing compounds contained in olefin polymers
US7807769B2 (en) 2002-09-20 2010-10-05 Exxonmobil Chemical Patents Inc. Isotactic polypropylene produced from supercritical polymerization process
US7319125B2 (en) 2002-09-20 2008-01-15 Exxonmobil Chemical Patents Inc. Supercritical polymerization process and polymers produced therefrom
DE60304196T2 (de) * 2002-10-09 2006-12-14 Exxonmobil Chemical Patents Inc., Baytown Verfahren zur injektion von katalysator in einen polymerizationsreaktor
EP1556422B1 (en) * 2002-10-09 2006-03-29 Exxonmobil Chemical Patents Inc. Methods of delivering catalyst systems for propylene polymerization
US6897269B2 (en) 2002-12-27 2005-05-24 Univation Technologies, Llc Processes for transitioning between Ziegler-Natta and alumoxane-based single-site polymerization catalysts
US6858684B2 (en) 2002-12-30 2005-02-22 Univation Technologies, Llc Processes for transitioning between various polymerization catalysts
US6841630B2 (en) 2002-12-31 2005-01-11 Univation Technologies, Llc Processes for transitioning between chrome-based and mixed polymerization catalysts
US6949612B2 (en) 2002-12-31 2005-09-27 Univation Technologies, Llc Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
US6833417B2 (en) 2002-12-31 2004-12-21 Univation Technologies, Llc Processes for transitioning between chrome-based and mixed polymerization catalysts
JP2006526696A (ja) * 2003-06-02 2006-11-24 フイナ・テクノロジー・インコーポレーテツド 機械的に操作される停止剤注入型安全システムおよび暴走した化学反応を停止させる方法
US7414095B2 (en) * 2003-12-11 2008-08-19 Basell Polioefine Italia S.R.L. Liquid phase process for polymerizing olefins
US7568059B2 (en) 2004-07-08 2009-07-28 Asocs Ltd. Low-power reconfigurable architecture for simultaneous implementation of distinct communication standards
WO2006019494A1 (en) 2004-07-14 2006-02-23 Exxonmobil Chemical Patents Inc. Polymer production at supercritical conditions
DE102005056775A1 (de) * 2005-11-28 2007-05-31 Basell Polyolefine Gmbh Verfahren für den Katalysatorwechsel in einem Gasphasenwirbelschichtreaktor
EP1840141A1 (en) 2006-03-31 2007-10-03 Total Petrochemicals Research Feluy Process to kill a catalysed olefin polymerization
CA2656927A1 (en) 2006-06-20 2007-12-27 Dow Global Technologies Inc. Neutralization of deactivated polymerization catalyst using phosphoric- or phosphonic acid salts
US8143352B2 (en) 2006-12-20 2012-03-27 Exxonmobil Research And Engineering Company Process for fluid phase in-line blending of polymers
US8080610B2 (en) 2007-03-06 2011-12-20 Exxonmobil Research And Engineering Company Monomer recycle process for fluid phase in-line blending of polymers
CN101855249B (zh) 2007-09-13 2013-02-13 埃克森美孚研究工程公司 在线生产增塑聚合物和增塑聚合物共混物的方法
EP2201042B1 (en) 2007-09-13 2012-06-27 ExxonMobil Research and Engineering Company In-line blending of plasticizers with a base polymer
EP2231779B1 (en) 2007-12-20 2012-06-06 ExxonMobil Research and Engineering Company In-line process to produce pellet-stable polyolefins
US7910679B2 (en) 2007-12-20 2011-03-22 Exxonmobil Research And Engineering Company Bulk homogeneous polymerization process for ethylene propylene copolymers
US8138269B2 (en) 2007-12-20 2012-03-20 Exxonmobil Research And Engineering Company Polypropylene ethylene-propylene copolymer blends and in-line process to produce them
EP2216347A1 (en) 2009-01-30 2010-08-11 Borealis AG A method of catalyst transitions in olefin polymerizations
US9637570B2 (en) * 2009-06-11 2017-05-02 Exxonmobil Chemical Patents Inc. Method and apparatus for reducing fouling
US8562915B2 (en) 2010-01-14 2013-10-22 Exxonmobil Chemical Patents Inc. Processes and apparatus for polymer finishing and packaging
US8425847B2 (en) 2010-01-14 2013-04-23 Exxonmobil Chemical Patents Inc. Processes and apparatus for continuous solution polymerization
CN105348417B (zh) 2010-01-14 2019-03-01 埃克森美孚化学专利公司 连续溶液聚合的方法和设备
CN102781533B (zh) 2010-01-14 2015-11-25 利斯特股份公司 真空脱挥发分装置
WO2011087729A2 (en) 2010-01-14 2011-07-21 Exxonmobil Chemical Patents Inc. Processes and apparatus for polymer finishing and packaging
US8877880B2 (en) 2010-11-17 2014-11-04 Exxonmobil Chemical Patents Inc. Method for controlling polyolefin properties
US9045628B2 (en) * 2010-12-03 2015-06-02 Dow Global Technologies Llc Processes to prepare ethylene-based polymer compositions
EP2663400A4 (en) 2011-01-14 2014-07-30 Grace W R & Co PROCESS FOR THE PREPARATION OF A MODIFIED METALLOCENE CATALYST, CATALYST THUS PRODUCED AND USE THEREOF
US8796408B2 (en) 2012-08-31 2014-08-05 Exxonmobil Chemical Patents Inc. Plants and processes for forming polymers
US8916659B1 (en) 2013-10-31 2014-12-23 Exxonmobil Chemical Patents Inc. Process and apparatus for continuous solution polymerization
US9382348B2 (en) 2013-11-13 2016-07-05 Chevron Phillips Chemical Company Lp System and method for polymerization
WO2017108347A1 (en) * 2015-12-22 2017-06-29 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
CN105601814B (zh) * 2016-03-24 2020-11-27 青岛科技大学 反式丁戊共聚橡胶的工业化生产方法及实施该方法的装置
JP7073100B2 (ja) * 2017-12-27 2022-05-23 ポリプラスチックス株式会社 環状オレフィン樹脂組成物の製造方法
US11041030B2 (en) 2018-09-19 2021-06-22 Exxonmobil Chemical Patents Inc. Devolatilization processes
CN109679001A (zh) * 2018-12-29 2019-04-26 锦州英诺威科技服务有限公司 一种用于聚丙烯生产的杀活剂
KR102211003B1 (ko) * 2019-03-25 2021-02-02 임성환 미세먼지 필터링용 마스크

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT342163B (de) * 1975-04-28 1978-03-28 Hercules Inc Trockene, in wasser dispergierbare pigmentmasse
DE3007725A1 (de) * 1980-02-29 1981-09-17 Hansjörg Prof. Dr. 2000 Hamburg Sinn Verfahren zur herstellung von polyethylen, polypropylen und copolymeren
DE3127133A1 (de) * 1981-07-09 1983-01-27 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von polyolefinen und deren copolymerisaten
JPS5819308A (ja) * 1981-07-28 1983-02-04 Sumitomo Chem Co Ltd 触媒の脱活性化処理方法
DE3150270A1 (de) * 1981-12-18 1983-06-30 EC Erdölchemie GmbH, 5000 Köln Hochdruckpolymerisation von ethylen
JPS58225106A (ja) * 1982-06-24 1983-12-27 Mitsubishi Petrochem Co Ltd ポリエチレンの製造法
DE3305782A1 (de) * 1983-02-19 1984-08-30 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur polymerisation und copolymerisation von ethylen
DE3335824A1 (de) * 1983-10-01 1985-04-18 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur polymerisation und copolymerisation von ethylen
DE3415527A1 (de) * 1984-04-26 1985-10-31 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur polymerisation und copolymerisation von ethylen
GB8502067D0 (en) * 1985-01-28 1985-02-27 Du Pont Canada Reduction of isomerization in solution process
US4701489A (en) * 1986-09-08 1987-10-20 El Paso Products Company Process for the production of stable noncorrosive amorphous polyalphaolefins
EP0260999A1 (en) * 1986-09-19 1988-03-23 Exxon Chemical Patents Inc. High pressure, high temperature polymerization of ethylene
IL87717A0 (en) * 1987-09-14 1989-02-28 Exxon Chemical Patents Inc Preparation of an active metallocene-alumoxane catalyst in situ during polymerization
MY103812A (en) * 1988-02-12 1993-09-30 Mitsui Chemicals Inc Olefin polymerization catalyst and process for the polymerization of olefins.
FR2646426B2 (fr) * 1988-09-13 1991-08-16 Bp Chemicals Sa Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite
JP3063908B2 (ja) * 1989-03-13 2000-07-12 ザ ダウ ケミカル カンパニー アニオン重合によるポリマーの製造方法
US5200502A (en) * 1992-08-26 1993-04-06 Union Carbide Chemicals & Plastics Technology Corporation Deactivator reagent for olefin polymerization catalysts

Also Published As

Publication number Publication date
ES2079182T3 (es) 1996-01-01
DE69205824D1 (de) 1995-12-07
ES2079182T5 (es) 1998-12-16
AU1253792A (en) 1992-09-15
EP0572462B2 (en) 1998-09-16
CN1045607C (zh) 1999-10-13
AU653388B2 (en) 1994-09-29
DE69205824T2 (de) 1996-04-11
DE69205824T3 (de) 1998-12-17
KR100224528B1 (ko) 1999-10-15
JP3190927B2 (ja) 2001-07-23
EP0572462B1 (en) 1995-11-02
WO1992014766A1 (en) 1992-09-03
JPH06505046A (ja) 1994-06-09
MX9200695A (es) 1992-08-01
TW207548B (pt) 1993-06-11
US5432242A (en) 1995-07-11
CN1065662A (zh) 1992-10-28
EP0572462A1 (en) 1993-12-08
GB9103527D0 (en) 1991-04-10

Similar Documents

Publication Publication Date Title
BR9205649A (pt) Processo para preparar polímeros olefínicos
BR9306629A (pt) Processo para preparar derivados de triaza-ciclo-nonano
PT97433A (pt) Processo para a preparacao de sacarose-6-ester
BR9302015A (pt) Processo para a preparacao de diisocianatos aromaticos
BR9300362A (pt) Processo para preparacao de um copolimero de etileno
BR9203047A (pt) Processo para a preparacao de um polimero de etileno
PT94059A (pt) Processo para a preparacao de copolimetros hidrossoluveis, de n-vinilamidas
BR8901955A (pt) Processo para a preparacao de polimeros
ITMI932443A0 (it) Processo per preparare perfluoropolietri
BR8806245A (pt) Processo para copolimerizacao de olefinas
BR9101375A (pt) Processo para obtencao de resinas de uretano reticulaveis por oxidacao
BR9101360A (pt) Processo para a preparacao de polimero de policetona
IT1245736B (it) Processo per preparare alfa-glicerofosforilcolina
BR8905441A (pt) Processo para preparacao de composto
BR8807127A (pt) Processo para buteno-1
BR9100673A (pt) Processo para a preparacao de olefinas lineares
BR9001671A (pt) Processo para a estabilizacao de polimeros olefinicos
BR9305223A (pt) Processo para produzir azadiractina
BR8901977A (pt) Processo para a preparacao de polimeros
BR9101083A (pt) Processo para a preparacao de polimeros de policetona
BR9102416A (pt) Processo para realizacao de embalagem tubulares
PT97828A (pt) Processo para a preparacao de fenil-triazinas
BR9100646A (pt) Processo para a preparacao de polimeros
BR9000588A (pt) Processo para preparacao de copolimeros de propileno-etileno
BR9000262A (pt) Processo para a preparacao de polimeros de triazina

Legal Events

Date Code Title Description
FA1 Application withdrawn (art. 18(2))