ES2142485T3 - Catalizador de polimerizacion de olefinas. - Google Patents

Catalizador de polimerizacion de olefinas.

Info

Publication number
ES2142485T3
ES2142485T3 ES95921489T ES95921489T ES2142485T3 ES 2142485 T3 ES2142485 T3 ES 2142485T3 ES 95921489 T ES95921489 T ES 95921489T ES 95921489 T ES95921489 T ES 95921489T ES 2142485 T3 ES2142485 T3 ES 2142485T3
Authority
ES
Spain
Prior art keywords
group
polymerization catalyst
olephine
tridented
arylene
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
ES95921489T
Other languages
English (en)
Inventor
Yury Viktorovich Kissin
Robert Ivan Mink
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil 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
Application filed by Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of ES2142485T3 publication Critical patent/ES2142485T3/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
    • 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
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/642Component covered by group C08F4/64 with an organo-aluminium compound
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/122Metal aryl or alkyl compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/128Mixtures of organometallic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/14Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
    • B01J31/143Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron of aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • B01J31/1815Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
    • B01J31/182Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine comprising aliphatic or saturated rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2226Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/223At least two oxygen atoms present in one at least bidentate or bridging ligand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2226Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/2243At least one oxygen and one nitrogen atom present as complexing atoms in an at least bidentate or bridging ligand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/10Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
    • B01J2231/12Olefin polymerisation or copolymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/46Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/48Zirconium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/49Hafnium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/50Complexes comprising metals of Group V (VA or VB) as the central metal
    • B01J2531/56Vanadium
    • 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
    • C08F2410/00Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/04Dual catalyst, i.e. use of two different catalysts, where none of the catalysts is a metallocene

Landscapes

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

Abstract

SE PRESENTA UNA COMPOSICION DE CATALIZADOR PARA LA POLIMERIZACION Y COPOLIMERIZACION DE OLEFINA QUE CONTIENE UN COMPLEJO DE TI, V, ZR, O HF CON UN LIGANDO BIDENTADO O UN LIGANDO TRIDENTADO Y UNA MEZCLA DE COCATALIZADOR QUE CONTIENE HALURO DE DIALQUILALUMINIO Y DIALQUILMAGNESIO. LOS LIGANDOS BIDENTADOS SE DESCRIBEN POR LAS FORMULAS GENERALES Z-R-Z- O Z-R-W-R-Z EN DONDE R ES UN GRUPO DE ALQUILENO, CICLOALQUILENO, ARILENO O ALQUILARILENO; W ES CH{SUB, 2}, O, S, N-R'', O SIR''{SUB, 2} EN DONDE R'' ES UN GRUPO DE ALQUILO O DE ARILO; Y Z ES O, S, N-H, O (C(=O)-O. LOS LIGANDOS TRIDENTADOS SE DESCRIBEN MEDIANTE LAS FORMULAS Z-(R-Z)-Z O Z-(R-U)-Z EN DONDE R ES UN GRUPO DE ALQUILENO O DE ARILENO; Y Z Y U SON DIFERENTES Y SON O, S, N-H, O C-(=O)-O.
ES95921489T 1994-06-22 1995-05-26 Catalizador de polimerizacion de olefinas. Expired - Lifetime ES2142485T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/264,206 US5506184A (en) 1994-06-22 1994-06-22 Olefin polymerization catalyst system

Publications (1)

Publication Number Publication Date
ES2142485T3 true ES2142485T3 (es) 2000-04-16

Family

ID=23005039

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95921489T Expired - Lifetime ES2142485T3 (es) 1994-06-22 1995-05-26 Catalizador de polimerizacion de olefinas.

Country Status (11)

Country Link
US (1) US5506184A (es)
EP (1) EP0766600B1 (es)
JP (2) JP3832855B2 (es)
KR (1) KR100342985B1 (es)
CN (1) CN1080729C (es)
AU (1) AU700820B2 (es)
DE (1) DE69514803T2 (es)
ES (1) ES2142485T3 (es)
TW (1) TW412545B (es)
WO (1) WO1995035164A1 (es)
ZA (1) ZA954658B (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245705B1 (en) 1993-11-18 2001-06-12 Univation Technologies Cocatalysts for metallocene-based olefin polymerization catalyst systems
US5869585A (en) * 1995-10-30 1999-02-09 Mobil Oil Corporation Multi-component catalyst systems for olefin polymerization
US6169152B1 (en) 1996-07-05 2001-01-02 Jsr Corporation Olefin polymerization catalyst comprising transition metal compound containing a cyclic ligand having at least two nitrogen atoms in its main chain skeleton
KR100223105B1 (ko) * 1996-10-09 1999-10-15 유현식 올레핀 중합용 촉매와 이를 이용한 올레핀 중합방법
FI973451A0 (fi) 1997-08-22 1997-08-22 Borealis As Ny organometalfoerening och metod foer polymerisation av olefiner med hjaelp av en katalytkomposition som innehaoller denna organometalfoerening
US6015766A (en) * 1997-12-18 2000-01-18 Mobil Oil Corporation Catalyst systems for olefin polymerization based on metallocene complexes and oligoalkylaluminates with sterically hindered alkyl groups as cocatalysts
US6153550A (en) * 1997-12-18 2000-11-28 Mobile Oil Corporation Olefin polymerization catalyst based on metallocene complexes and perfluorinated oligoaryl derivatives of aluminates
AU3192999A (en) * 1998-03-20 1999-10-11 Mobil Business Resources Corporation Synthesis of branched polyethylene fluids for use in lubricant compositions
KR100287955B1 (ko) * 1998-06-08 2001-05-02 유현식 올레핀계 또는 스티렌계 중합용 신규 메탈로센 촉매 및 이를 이용한 중합방법
US6706827B1 (en) 1998-06-08 2004-03-16 Samsung Atofina Co. Ltd. Metallocene catalysts for olefin or styrene polymerization and polymerization method using the metallocene catalysts
US6274684B1 (en) * 1999-10-22 2001-08-14 Univation Technologies, Llc Catalyst composition, method of polymerization, and polymer therefrom
US6300439B1 (en) 1999-11-08 2001-10-09 Univation Technologies, Llc Group 15 containing transition metal catalyst compounds, catalyst systems and their use in a polymerization process
FR2802833B1 (fr) * 1999-12-24 2002-05-10 Inst Francais Du Petrole Composition catalytique et procede pour l'oligomerisation de l'ethylene, en particulier en hexene-1
CN1255441C (zh) * 2001-09-14 2006-05-10 巴塞尔聚烯烃股份有限公司 烯烃的聚合方法
DE10145453A1 (de) * 2001-09-14 2003-06-05 Basell Polyolefine Gmbh Monocyclopentadienylkomplexe mit einem kondensierten Heterocyclus
US6967184B2 (en) * 2004-02-17 2005-11-22 Univation Technologies, Llc Fluoroalcohol leaving group for non-metallocene olefin polymerization catalysts
US7399874B2 (en) * 2004-10-29 2008-07-15 Exxonmobil Chemical Patents Inc. Catalyst compound containing divalent tridentate ligand
JP5268040B2 (ja) * 2005-04-07 2013-08-21 独立行政法人物質・材料研究機構 顔料用黄色系色素組成物及びその製造方法
CN102585057B (zh) * 2011-01-05 2013-12-04 中国石油化工股份有限公司 一种用于乙烯聚合反应的催化剂
KR102064629B1 (ko) * 2012-04-27 2020-01-08 더블유.알. 그레이스 앤드 캄파니-콘. 활성제 조성물, 이들의 제조, 및 촉매에서 이들의 용도
ES2967059T3 (es) 2018-11-06 2024-04-25 Dow Global Technologies Llc Precatalizadores no metaloceno solubles en alcanos
WO2020096735A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Method of olefin polymerization using alkane-soluble non-metallocene precatalyst
BR112021006526A2 (pt) 2018-11-06 2021-07-06 Dow Global Technologies Llc composto, método de síntese do composto, solução do composto, sistema catalisador, e, método para produzir um polímero de poliolefina
US11780786B2 (en) * 2020-09-14 2023-10-10 Chevron Phillips Chemical Company Lp Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452914A (en) * 1982-08-13 1984-06-05 The Dow Chemical Company Titanium complexes and catalysts prepared therefrom
US4482639A (en) * 1982-09-15 1984-11-13 The Standard Oil Company Catalysts for the polymerization of ethylene
US4820786A (en) * 1983-08-29 1989-04-11 Chevron Research Company Process for the preparation of linear low density polyethylene
US4528339A (en) * 1983-12-27 1985-07-09 The Dow Chemical Company Polymerization of olefins employing catalysts prepared from novel titanium compounds
US4622309A (en) * 1983-12-27 1986-11-11 The Dow Chemical Company Novel titanium complexes and catalysts prepared therefrom
US4555497A (en) * 1984-10-26 1985-11-26 The Dow Chemical Company Titanium complexes and catalysts prepared therefrom
US5280000A (en) * 1985-10-11 1994-01-18 Sumitomo Chemical Company, Limited Catalyst for olefin polymerization and process for producing olefin polymer using the catalyst
US5043408A (en) * 1989-06-26 1991-08-27 Sumitomo Chemical Company, Limited Ethylene-aromatic vinyl compound alternating copolymer and process for the production thereof
US5086135A (en) * 1989-12-26 1992-02-04 Mobil Oil Corporation Zirconium-based catalyst composition for polymerizing olefins and polymerization therewith

Also Published As

Publication number Publication date
AU700820B2 (en) 1999-01-14
CN1165488A (zh) 1997-11-19
DE69514803T2 (de) 2000-10-12
DE69514803D1 (de) 2000-03-02
KR100342985B1 (ko) 2002-12-05
US5506184A (en) 1996-04-09
WO1995035164A1 (en) 1995-12-28
JP3832855B2 (ja) 2006-10-11
CN1080729C (zh) 2002-03-13
EP0766600B1 (en) 2000-01-26
EP0766600A1 (en) 1997-04-09
ZA954658B (en) 1996-12-06
EP0766600A4 (en) 1997-12-10
TW412545B (en) 2000-11-21
AU2655495A (en) 1996-01-15
JPH10501840A (ja) 1998-02-17
JP2006193754A (ja) 2006-07-27
KR970703815A (ko) 1997-08-09

Similar Documents

Publication Publication Date Title
ES2142485T3 (es) Catalizador de polimerizacion de olefinas.
DE69023860D1 (de) Transparenter Überzugsfilm für den Fälschungsschutz von Dokumenten.
FR2301547A1 (fr) Poly(terephtalates d'ethylene/alcoylene) a cristallisation rapide
DE69109679D1 (de) Verfahren zur Herstellung von Mischungen von Polycarbonat und Poly(1,4-cyclohexandimethylolterephthalat) mit verminderter Vergilbung.
DE68915616D1 (de) Verfahren zur Herstellung von Ethylen-alpha-Olefin-Elastomeren mit hohem Molekulargewicht unter Anwendung eines Metallocen-Alumoxan-Katalysators.
IT8422907A0 (it) Procedimento di mescolazione di siliconi ad alta densita'.
DE69113502D1 (de) Verfahren zur Herstellung von Turbinenschaufeln.
BR8106834A (pt) Sintetizador de frequencia sincronizado com travamento de alta velocidade
IT7824332A0 (it) Superleghe a base di nichel ad alta integrita' rivestite di cocral(y).
RU92016318A (ru) Способ стереоселективного получения производных фенилизосерина
BG43866A3 (en) Method for preparing of derivatives of 2, 2'- imino- bis- ethanol
ES8401032A1 (es) Procedimiento para la obtencion de 1,4-dihidropiridinas.
BE838778A (fr) Poly(terephtalates d'ethylene/alcoylene) a cristallisation rapide
AR247385A1 (es) Procedimiento para preparar compuestos piperidinilicos 1,4-disustituidos, utiles como analgesicos y relajantes musculares.
FI952175A (fi) Menetelmä ja katalysaattorikomponentti olefiinien homo- tai kopolymeroimiseksi
DE69017348D1 (de) Thyristor und Verfahren zu dessen Herstellung.
DE69326093D1 (de) Verfahren zur Herstellung von binären Sensibilisierungsfarbstoffen
AR021311A1 (es) Bis(tetrahidro-indenil)metalocenos y catalizadores para la polimerizacion de olefinas que los contienen.
ITMI911512A0 (it) Complesso di rotore e di palette per turbomacchina
DE69111327D1 (de) Block von Mikroverbindungsstiften und Verfahren zu dessen Herstellung.
AR230657A1 (es) Procedimiento de tincion en bano corto para generos en pieza a base de fibras celulosicas en forma de cuerda
AR021312A1 (es) Metalocenos de puente de metileno, procedimiento para su preparacion y su uso como componentes cataliticos en la polimerizacion de olefinas.
FR2599757B1 (fr) Superalliage monocristallin a base de nickel, notamment pour aubes de turbomachine
DE58906730D1 (de) Verfahren zur Nachbehandlung von gefärbten Textilmaterialien.
FI923638A0 (fi) Foerfarande och anordning foer regenerering av klockfrekvensen.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 766600

Country of ref document: ES