ES2097520T3 - Polimerizacion de alfa-olefinas. - Google Patents

Polimerizacion de alfa-olefinas.

Info

Publication number
ES2097520T3
ES2097520T3 ES93915145T ES93915145T ES2097520T3 ES 2097520 T3 ES2097520 T3 ES 2097520T3 ES 93915145 T ES93915145 T ES 93915145T ES 93915145 T ES93915145 T ES 93915145T ES 2097520 T3 ES2097520 T3 ES 2097520T3
Authority
ES
Spain
Prior art keywords
alpha
polymerization
olephine polymerization
olephine
stirtly
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES93915145T
Other languages
English (en)
Inventor
Alberto Buchelli
Malamas Caracotsios
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Corp North America Inc
Original Assignee
BP Corp North America 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
Application filed by BP Corp North America Inc filed Critical BP Corp North America Inc
Application granted granted Critical
Publication of ES2097520T3 publication Critical patent/ES2097520T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1862Stationary reactors having moving elements inside placed in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1868Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/36Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed through which there is an essentially horizontal flow of particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/382Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it with a rotatable device only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00265Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00274Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00327Controlling the temperature by direct heat exchange
    • B01J2208/00336Controlling the temperature by direct heat exchange adding a temperature modifying medium to the reactants
    • B01J2208/00345Cryogenic coolants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00539Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00548Flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/182Details relating to the spatial orientation of the reactor horizontal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19Details relating to the geometry of the reactor
    • B01J2219/194Details relating to the geometry of the reactor round
    • B01J2219/1941Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2400/00Characteristics for processes of polymerization
    • C08F2400/02Control or adjustment of polymerization parameters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

SE DESCRIBE UN METODO DE CONTROL AVANZADO PARA LA POLIMERIZACION DE UNA ALFAOLEFINA ES UN REACTOR DE LECHO AGITADO, ENFRIADO RAPIDAMENTE, Y SUSTANCIALMENTE HORIZONTAL.
ES93915145T 1992-05-29 1993-05-27 Polimerizacion de alfa-olefinas. Expired - Lifetime ES2097520T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88982092A 1992-05-29 1992-05-29

Publications (1)

Publication Number Publication Date
ES2097520T3 true ES2097520T3 (es) 1997-04-01

Family

ID=25395852

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93915145T Expired - Lifetime ES2097520T3 (es) 1992-05-29 1993-05-27 Polimerizacion de alfa-olefinas.

Country Status (12)

Country Link
US (1) US5504166A (es)
EP (1) EP0642534B1 (es)
JP (1) JP2675919B2 (es)
KR (2) KR0148257B1 (es)
CN (1) CN1069908C (es)
CA (1) CA2136224C (es)
DE (1) DE69308209T2 (es)
ES (1) ES2097520T3 (es)
HU (1) HUT70863A (es)
RU (1) RU2122005C1 (es)
TR (1) TR27889A (es)
WO (1) WO1993024533A1 (es)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3331031B2 (ja) * 1993-12-15 2002-10-07 昭和電工株式会社 ポリオレフィン重合反応器のスタートアップ制御方法および装置
JP3552771B2 (ja) * 1994-12-26 2004-08-11 三井化学株式会社 製造品銘柄変更システム
DE19506901A1 (de) * 1995-02-28 1996-08-29 Hoechst Ag Verfahren zur Reinigung von nicht umgesetztem Propylen bei der Herstellung von Polypropylen
BE1009406A3 (fr) * 1995-06-09 1997-03-04 Solvay Methode de regulation de procedes de synthese de produits chimiques.
US5627242A (en) * 1996-03-28 1997-05-06 Union Carbide Chemicals & Plastics Technology Corporation Process for controlling gas phase fluidized bed polymerization reactor
US6069212A (en) * 1996-08-20 2000-05-30 Bp Amoco Corporation Transfer of polymer particles between vapor phase polymerization reactors containing quench-cooled subfluidized particulate beds of polymerized monomer
US6066701A (en) * 1996-12-31 2000-05-23 Exxon Chemical Patents Inc. Multistage method for manufacturing polyolefins
EP1059309A3 (en) * 1996-12-31 2001-09-05 ExxonMobil Chemical Patents Inc. Multistage method for preparing polyolefins
US6350054B1 (en) * 1997-12-08 2002-02-26 Bp Corporation North America Inc. Agitator for a horizontal polymerization reactor having contiguous paddle stations with paddles and sub-stations with sub-station paddles
GB2334958B (en) * 1998-02-25 2001-11-07 Porpoise Viscometers Ltd Melt flow index determination in polymer process control
DE19907021A1 (de) 1999-02-19 2000-08-24 Elenac Gmbh Verfahren und Apparatur zur Gasphasenpolymerisation von alpha-Olefinen
US6407299B1 (en) * 1999-06-02 2002-06-18 Exxonmobile Research And Engineering Company Alkyl magnesium catalyzed synthesis of ethylene and α-olefin polymers
BR9906022A (pt) 1999-12-30 2001-09-25 Opp Petroquimica S A Processo para a produção controlada de polietileno e seus copolìmeros
AU2001255551A1 (en) * 2000-04-27 2001-11-07 Bp Corporation North America Inc. Method for control of a chemical manufacturing process
RU2163504C1 (ru) * 2000-05-24 2001-02-27 Герасименя Валерий Павлович Установка для приготовления высокодисперсных смесей
FR2810325A1 (fr) * 2000-06-16 2001-12-21 Bp Chemicals Snc Procede de polymerisation de l'isobutene
NL1016073C2 (nl) 2000-08-31 2002-03-01 Dsm Nv Inrichting voor gasfasepolymerisatie.
US6593506B1 (en) 2000-10-12 2003-07-15 Exxonmobil Chemical Patents Inc. Olefin recovery in a polyolefin production process
US6495609B1 (en) 2000-11-03 2002-12-17 Exxonmobil Chemical Patents Inc. Carbon dioxide recovery in an ethylene to ethylene oxide production process
CN1329110C (zh) * 2001-09-26 2007-08-01 伊内奥斯美国公司 一体化的化工工艺控制
RU2206576C1 (ru) * 2001-12-20 2003-06-20 Открытое акционерное общество "Нижнекамскнефтехим" Способ управления процессом получения сополимеров этилена и пропилена
US6846884B2 (en) 2002-09-27 2005-01-25 Union Carbide Chemicals & Plastics Technology Corporation Control of resin properties
US7319040B2 (en) * 2002-10-28 2008-01-15 Ineos Usa Llc Process control using on-line instrumentation and process models
EP1558374A2 (en) 2002-10-28 2005-08-03 BP Corporation North America Inc. Process and method for chemical manufacturing using transformation of on-line instrumentation data
US6828393B1 (en) * 2003-06-27 2004-12-07 National Starch And Chemical Investment Holding Corporation Rate matched copolymerization
US7838605B2 (en) * 2003-10-17 2010-11-23 Univation Technologies, Llc Polymerization monitoring and control using improved leading indicators
CN1657149B (zh) * 2004-02-16 2011-02-16 中国石化集团上海工程有限公司 卧式急冷液冷却流化床反应器
CN1310969C (zh) * 2004-09-16 2007-04-18 中国石油化工股份有限公司 一种烯烃的聚合方法
US7053163B1 (en) 2005-02-22 2006-05-30 Fina Technology, Inc. Controlled comonomer distribution along a reactor for copolymer production
US7343225B2 (en) * 2005-06-03 2008-03-11 Univation Technologies, Llc Method for reducing off-grade product production during reaction transitions
US7078467B1 (en) * 2005-06-14 2006-07-18 Univation Technologies, Llc Single catalyst low, medium and high density polyethylenes
CN101379097B (zh) * 2006-02-03 2011-08-03 日本聚丙烯公司 丙烯类聚合物及其制备方法、丙烯类聚合物组合物以及由该组合物制成的成型制品
SG138525A1 (en) * 2006-06-13 2008-01-28 Sumitomo Chemical Co Method for measuring concentration of propylene polymer slurry, and process for producing propylene polymer
ES2405556T3 (es) * 2006-09-07 2013-05-31 Univation Technologies, Llc Métodos para determinación en línea del grado de pegajosidad de una resina utilizando un modelo para depresión de la temperatura de iniciación de la fusión
WO2009038635A1 (en) * 2007-09-18 2009-03-26 Dupont Electronic Polymers L.P. Process for preparing compositionally uniform copolymers
JP5308794B2 (ja) 2007-12-11 2013-10-09 住友化学株式会社 噴流層装置を用いたポリオレフィン製造方法
JP5249730B2 (ja) 2007-12-11 2013-07-31 住友化学株式会社 オレフィン重合反応装置及びポリオレフィン製造方法
JP5427396B2 (ja) 2007-12-11 2014-02-26 住友化学株式会社 粉体移送装置、及び、ポリオレフィンの製造方法
JP5308795B2 (ja) 2007-12-11 2013-10-09 住友化学株式会社 ポリオレフィン製造方法、並びに、噴流層装置を備えたポリオレフィン製造システム
JP5308797B2 (ja) 2007-12-11 2013-10-09 住友化学株式会社 オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法
CN102316973B (zh) * 2007-12-21 2014-12-24 巴斯夫欧洲公司 制备聚合物的方法
US8198383B2 (en) * 2007-12-21 2012-06-12 Basell Poliolefine Italia, s.r.l. Process for the gas-phase polymerization of olefins
EP2172490A1 (en) 2008-10-03 2010-04-07 Ineos Europe Limited Controlled polymerisation process
JP5545800B2 (ja) 2009-06-08 2014-07-09 住友化学株式会社 噴流−流動層型オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法
CN101927141B (zh) * 2009-06-19 2012-07-04 中国石油化工股份有限公司 聚合物颗粒在气相聚合反应器之间的转移方法
WO2011052757A1 (ja) * 2009-10-29 2011-05-05 日本ポリプロ株式会社 プロピレン系重合体の製造方法
US8735513B2 (en) 2009-11-06 2014-05-27 Japan Polypropylene Corporation Reactor for propylene polymerization and process for producing propylene polymer
JP2013531711A (ja) * 2010-06-10 2013-08-08 イネオス ユーエスエイ リミテッド ライアビリティ カンパニー 水平撹拌床反応器におけるh2分布の制御
US8383740B1 (en) 2011-08-12 2013-02-26 Ineos Usa Llc Horizontal agitator
CN103483758B (zh) * 2013-09-23 2016-03-02 中国石油化工股份有限公司 一种长效抗菌聚丙烯专用料的生产方法
KR101821006B1 (ko) * 2014-05-13 2018-01-22 주식회사 엘지화학 수평형 반응기를 이용한 폴리실리콘 제조 장치 및 제조 방법
CA2900772C (en) 2015-08-20 2022-07-12 Nova Chemicals Corporation Method for altering melt flow ratio of ethylene polymers
JP6902337B2 (ja) 2016-08-03 2021-07-14 住友化学株式会社 ヘテロファジックプロピレン重合材料の製造方法
CN110291115B (zh) * 2016-12-12 2022-04-01 Sabic环球技术有限责任公司 用于烯烃单体的气相聚合的改进的方法和系统
US11292854B2 (en) * 2016-12-12 2022-04-05 Sabic Global Technologies B.V. Process and system for vapor phase polymerization of olefin monomers
WO2019133324A1 (en) * 2017-12-26 2019-07-04 Bridgestone Corporation Temperature control for a polymerization vessel
CN110882668A (zh) * 2019-11-19 2020-03-17 徐州聚西廷新型材料科技有限公司 一种催化剂预接触罐
JP7750863B2 (ja) 2020-04-29 2025-10-07 中国石油化工股▲ふん▼有限公司 無水物基含有ポリプロピレングラフトおよびポリプロピレングラフトの調製方法
EP4382568A4 (en) 2021-08-04 2025-07-09 China Petroleum & Chem Corp MODIFIED FLEXIBLE POLYPROPYLENE INSULATION MATERIAL, ITS PREPARATION METHOD AND APPLICATION
US12060443B2 (en) 2021-12-09 2024-08-13 Ineos Usa Llc Process
CN120882759A (zh) * 2023-03-30 2025-10-31 日本聚丙烯株式会社 丙烯系聚合物制造用的卧式聚合反应器和丙烯系聚合物的制造方法
WO2024201950A1 (ja) * 2023-03-30 2024-10-03 日本ポリプロ株式会社 プロピレン系重合体製造用横型重合反応器及びプロピレン系重合体の製造方法
EP4617232A1 (de) * 2024-03-13 2025-09-17 Sebastian Fehrenbach Katalytisch erzeugte alkane

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356667A (en) * 1963-10-22 1967-12-05 Phillips Petroleum Co Process control
JPS55142008A (en) * 1979-04-23 1980-11-06 Mitsui Petrochem Ind Ltd Preparation of polyolefin
JPS6028285B2 (ja) * 1980-04-23 1985-07-04 三井化学株式会社 ポリオレフィンの製造方法
US4628034A (en) * 1982-07-01 1986-12-09 Phillips Petroleum Company Control of a polymerization reaction
US4921919A (en) * 1985-12-10 1990-05-01 Amoco Corporation Method and apparatus for minimizing polymer agglomerate or lump formation in a gas-phase polypropylene polymerization reactor
US4742131A (en) * 1985-12-27 1988-05-03 Mitsui Toatsu Chemicals, Incorporated Method of controlling polymerization temperature
US4956426A (en) * 1986-07-24 1990-09-11 Union Carbide Chemicals And Plastics Company Inc. Process for controlled polymerization of stereospecific alpha-olefins having preselected isotacticity
CA1290496C (en) * 1986-11-26 1991-10-08 George Gtaham Ardell Method for controlling an impact copolymer reactor
FR2625506B1 (fr) * 1987-12-31 1992-02-21 Bp Chimie Sa Procede et appareillage de fabrication de polymeres controlee a l'aide d'un systeme de regulation comprenant un spectrophotometre infrarouge
US5065336A (en) * 1989-05-18 1991-11-12 E. I. Du Pont De Nemours And Company On-line determination of polymer properties in a continuous polymerization reactor

Also Published As

Publication number Publication date
CA2136224C (en) 1998-11-24
JPH07504708A (ja) 1995-05-25
JP2675919B2 (ja) 1997-11-12
CN1069908C (zh) 2001-08-22
HUT70863A (en) 1995-11-28
DE69308209T2 (de) 1997-06-12
KR0148257B1 (ko) 1998-08-17
RU2122005C1 (ru) 1998-11-20
TR27889A (tr) 1995-10-11
KR950701650A (ko) 1995-04-28
RU94046283A (ru) 1996-10-10
WO1993024533A1 (en) 1993-12-09
CN1081683A (zh) 1994-02-09
EP0642534A1 (en) 1995-03-15
DE69308209D1 (de) 1997-03-27
EP0642534B1 (en) 1997-02-19
US5504166A (en) 1996-04-02

Similar Documents

Publication Publication Date Title
ES2097520T3 (es) Polimerizacion de alfa-olefinas.
ES524652A0 (es) Un procedimiento para producir un activador de plasminogeno purificado.
HU900595D0 (en) Catalysts for olephine polymerization
MX9300479A (es) Procedimiento para la obtencion de espumas de moldeo blandas, de poliuretano, endurecibles en frio.
HU9301362D0 (en) Method for producing 4-aryl-piperazines and 4-aryl-piperidines
FI945702L (fi) Menetelmä kiintoainekatalysaattorien lämpenemisen nopeuttamiseksi johtamalla apuenergiaa
PL308742A1 (en) Method of recombining and host cell for producing xylythol
FI933247A7 (fi) Menetelmä olefiinipolymeerien stabiloimiseksi
MX9200793A (es) Tetrahidropirinas y metodo para su preparacion.
FI841825A0 (fi) Foerbaettringar med avseende pao peresterfoereningar.
ES2099820T3 (es) Procedimiento para la preparacion de trans-piperidina-2,5-dicarboxilatos.
JPS5391992A (en) Production of olefin polymer
NO952992L (no) Tampongtrykkemetode
FR2588848B1 (fr) Aluminates mixtes de lanthane-magnesium, leur procede de fabrication et lasers utilisant ces aluminates
DE69007213D1 (de) Leistungsapparat, Leistungsübertrager/Verteilereinheit, sowie ein Auslöseverfahren hierfür.
IT8025249A0 (it) Metodo per la polimerizzazione di etilene.
ES2117755T3 (es) Procedimiento para la fotooxidacion de terpenoolefinas.
FR2680273B1 (fr) Procede de rechargement de reacteur nucleaire.
ATE107933T1 (de) Alternierende copolymere, verfahren zu ihrer herstellung sowie deren verwendung.
ES2044144T3 (es) Nuevo procedimiento para la produccion de 4,6-dimetil-7-hidroxinonan-3-ona.
ES513468A0 (es) Procedimiento para el tratamiento de un reactor de polimerizacion.
RU1816761C (ru) Способ получени замещенных 1-алкоксикарбонилметил-1,2-дигидро-3Н-1,4-бенздиазепин-2-онов
JPS5410497A (en) Method of laser working
JPS51138060A (en) Treating method of waste containing branched polyvalent alcohols
ES531580A0 (es) Procedimiento para la fabricacion de un producto antihistaminico.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 642534

Country of ref document: ES