AR042496A1 - Un componente catalizador para (co) polimerizacion de olefina y en particular para la preparacion de lldpe, que comprende mg, ti, halogeno y un compuesto dador de electrones ( ed) que pertenece a eteres, esteres, aminas, cetonas o nitrilos - Google Patents

Un componente catalizador para (co) polimerizacion de olefina y en particular para la preparacion de lldpe, que comprende mg, ti, halogeno y un compuesto dador de electrones ( ed) que pertenece a eteres, esteres, aminas, cetonas o nitrilos

Info

Publication number
AR042496A1
AR042496A1 ARP030104667A ARP030104667A AR042496A1 AR 042496 A1 AR042496 A1 AR 042496A1 AR P030104667 A ARP030104667 A AR P030104667A AR P030104667 A ARP030104667 A AR P030104667A AR 042496 A1 AR042496 A1 AR 042496A1
Authority
AR
Argentina
Prior art keywords
component
ketones
amines
halogen
preparation
Prior art date
Application number
ARP030104667A
Other languages
English (en)
Spanish (es)
Inventor
Diego Brita
Gianni Collina
Giampiero Morini
Gianni Vitale
Original Assignee
Basell Poliolefine Spa
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=35925132&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AR042496(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basell Poliolefine Spa filed Critical Basell Poliolefine Spa
Publication of AR042496A1 publication Critical patent/AR042496A1/es

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
    • 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
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
    • 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
    • C08F10/02—Ethene
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ARP030104667A 2002-12-18 2003-12-17 Un componente catalizador para (co) polimerizacion de olefina y en particular para la preparacion de lldpe, que comprende mg, ti, halogeno y un compuesto dador de electrones ( ed) que pertenece a eteres, esteres, aminas, cetonas o nitrilos AR042496A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02080616 2002-12-18
US43519502P 2002-12-20 2002-12-20

Publications (1)

Publication Number Publication Date
AR042496A1 true AR042496A1 (es) 2005-06-22

Family

ID=35925132

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030104667A AR042496A1 (es) 2002-12-18 2003-12-17 Un componente catalizador para (co) polimerizacion de olefina y en particular para la preparacion de lldpe, que comprende mg, ti, halogeno y un compuesto dador de electrones ( ed) que pertenece a eteres, esteres, aminas, cetonas o nitrilos

Country Status (16)

Country Link
US (1) US7427653B2 (cg-RX-API-DMAC7.html)
EP (1) EP1572756B1 (cg-RX-API-DMAC7.html)
JP (2) JP2006510751A (cg-RX-API-DMAC7.html)
KR (1) KR101102793B1 (cg-RX-API-DMAC7.html)
CN (2) CN1726080A (cg-RX-API-DMAC7.html)
AR (1) AR042496A1 (cg-RX-API-DMAC7.html)
AU (1) AU2003292199A1 (cg-RX-API-DMAC7.html)
BR (1) BR0316913B1 (cg-RX-API-DMAC7.html)
CA (1) CA2510679C (cg-RX-API-DMAC7.html)
ES (2) ES2368425T3 (cg-RX-API-DMAC7.html)
MX (1) MXPA05006584A (cg-RX-API-DMAC7.html)
RU (1) RU2322457C2 (cg-RX-API-DMAC7.html)
SA (1) SA03240450B1 (cg-RX-API-DMAC7.html)
TW (1) TW200417554A (cg-RX-API-DMAC7.html)
WO (1) WO2004055065A1 (cg-RX-API-DMAC7.html)
ZA (2) ZA200504127B (cg-RX-API-DMAC7.html)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5073291B2 (ja) * 2003-05-29 2012-11-14 バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ 触媒成分の製造方法およびそれから得られる成分
EP1780225A1 (en) 2005-11-01 2007-05-02 Borealis Technology Oy Ziegler-Natta catalyst and its use to prepare multimodal polyolefin
EP2036928B1 (en) * 2006-04-06 2015-12-23 China Petroleum & Chemical Corporation Magnesium halide adduct, olefins polymerization catalyst component and catalyst made therefrom
CN101165074B (zh) * 2006-10-20 2010-12-22 中国石油化工股份有限公司 用于烯烃聚合的催化剂组分及其催化剂
CN101486776B (zh) * 2008-01-17 2010-12-22 中国石油化工股份有限公司 用于烯烃聚合的催化剂组分及其催化剂
RU2493175C2 (ru) * 2008-09-26 2013-09-20 Базелль Полиолефин Италия С.Р.Л. Каталитические компоненты для полимеризации олефинов
MY156621A (en) 2009-08-21 2016-03-15 China Petroleum & Chemical A catalyst component for ethylene polymerization, preparation thereof and a catalyst comprising the catalyst component
SA3686B1 (ar) * 2009-10-16 2014-10-22 China Petroleum& Chemical Corp مكون حفاز لبلمرة الأولفين وحفاز يشتمل عليه
US20110319571A1 (en) * 2010-06-29 2011-12-29 Botros Maged G Polyolefin adhesive composition
US20120053305A1 (en) * 2010-08-24 2012-03-01 Equistar Chemicals, Lp Preparation of LLDPE having controlled xylene solubles or hexane extractables
US10138310B2 (en) * 2010-08-24 2018-11-27 Equistar Chemicals, Lp Preparation of LLDPE resins and films having low gels
KR101835309B1 (ko) * 2010-08-24 2018-03-08 바셀 폴리올레핀 이탈리아 에스.알.엘 올레핀 중합용 촉매 성분
US20130190466A1 (en) * 2010-09-28 2013-07-25 Basell Polyofine Gmbh Polyethylene extruded articles
CN103119072B (zh) * 2010-09-30 2016-03-30 巴塞尔聚烯烃意大利有限责任公司 二氯化镁-醇加合物和由其获得的催化剂组分
CN102585056A (zh) * 2011-01-05 2012-07-18 中国石油化工股份有限公司 一种用于乙烯聚合或共聚合反应的催化剂
EP2610273B1 (en) * 2011-12-30 2018-02-07 Borealis AG Catalyst component
EP2692743A1 (en) 2012-08-03 2014-02-05 Basell Poliolefine Italia S.r.l. Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom
EP2712875A1 (en) * 2012-09-28 2014-04-02 Basell Poliolefine Italia S.r.l. Catalyst components for the polymerization of olefins
CN103788246B (zh) * 2012-10-29 2015-10-21 中国石油化工股份有限公司 一种烯烃聚合催化剂载体及其制备方法和应用
WO2014118165A1 (en) * 2013-01-31 2014-08-07 Saudi Basic Industries Corporation Process for preparing a catalyst component for polymerization of olefins
RU2660441C2 (ru) 2013-02-27 2018-07-06 Тохо Титаниум Ко., Лтд. Способ получения блок-сополимера пропилена
CN104231140B (zh) * 2013-06-21 2016-12-07 中国石油天然气集团公司 一种乙烯-α-烯烃共聚催化剂及其制备和应用
US9605096B2 (en) 2013-07-25 2017-03-28 Exxonmobil Chemical Patents Inc. Methods for polyolefin polymerization with high activity catalyst systems
FI3116921T3 (fi) * 2014-03-14 2024-02-14 Basell Poliolefine Italia Srl Katalyyttikomponentteja olefiinien polymerointiin
FR3023183A1 (fr) * 2014-07-04 2016-01-08 IFP Energies Nouvelles Composition catalytique et procede de dimerisation selective de l'ethylene en butene-1
CN107108803B (zh) * 2014-12-18 2021-03-16 博里利斯股份公司 齐格勒-纳塔催化剂及其制备
EP3253807B1 (en) 2015-02-05 2023-04-26 Borealis AG Process for producing polyethylene
KR102046267B1 (ko) * 2015-09-11 2019-11-18 바셀 폴리올레핀 이탈리아 에스.알.엘 올레핀 중합용 촉매 성분의 제조 방법
US11021555B2 (en) 2016-07-15 2021-06-01 Basell Poliolefine Italia S.R.L. Catalyst for the polymerization of olefins
ES2963183T3 (es) * 2016-12-19 2024-03-25 Basell Poliolefine Italia Srl Componentes del catalizador para la polimerización de olefinas y catalizadores obtenidos a partir de estos
EP3339333B1 (en) 2016-12-22 2020-10-07 Borealis AG Ziegler-natta catalyst and preparation thereof
US11401356B2 (en) 2017-07-19 2022-08-02 China Petroleum & Chemical Corporation Olefin polymerization catalyst comprising cyclotriveratrylene and derivatives thereof
CA3084597A1 (en) * 2017-12-05 2019-06-13 Univation Technologies, Llc Activated spray-dried ziegler-natta catalyst system
CA3084598A1 (en) 2017-12-05 2019-06-13 Univation Technologies, Llc Modified spray-dried ziegler-natta (pro)catalyst systems
CN111601828B (zh) 2017-12-27 2023-03-31 博里利斯股份公司 齐格勒-纳塔催化剂及其制备方法
CN111566131B (zh) 2017-12-28 2024-04-26 博里利斯股份公司 催化剂及其制备方法
WO2019231815A1 (en) * 2018-06-01 2019-12-05 Dow Global Technologies Llc Ziegler-natta catalyst system having a thermally treated magnesium chloride component
WO2021064078A1 (en) 2019-10-04 2021-04-08 Borealis Ag Ziegler-natta catalysts for olefin polymerization
EP4038116A1 (en) 2019-10-04 2022-08-10 Borealis AG Ziegler-natta catalysts for olefin polymerization
US12359005B2 (en) 2019-10-04 2025-07-15 Borealis Ag Ziegler-Natta catalysts for olefin polymerization
JP7373652B2 (ja) 2019-10-04 2023-11-02 ボレアリス エージー オレフィン重合用チーグラー・ナッタ触媒
CN112812205B (zh) * 2019-11-18 2023-05-09 中国石油化工股份有限公司 一种用于烯烃聚合反应的催化剂组分及其催化剂和其制法及应用
CN115461379A (zh) 2020-04-30 2022-12-09 陶氏环球技术有限责任公司 用(多烷氧基)硅烷化合物制备的齐格勒-纳塔(前)催化剂体系
WO2022089423A1 (zh) * 2020-10-26 2022-05-05 中国石油化工股份有限公司 用于制备烯烃聚合催化剂的固体组分及其制备方法和应用

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE363977B (cg-RX-API-DMAC7.html) * 1968-11-21 1974-02-11 Montedison Spa
YU35844B (en) * 1968-11-25 1981-08-31 Montedison Spa Process for obtaining catalysts for the polymerization of olefines
NL160286C (cg-RX-API-DMAC7.html) * 1971-06-25
IT1037112B (it) * 1975-03-28 1979-11-10 Montedison Spa Catalizzatori per la polimerizzazione delle olfine
GB1603724A (en) * 1977-05-25 1981-11-25 Montedison Spa Components and catalysts for the polymerisation of alpha-olefins
US4302565A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization
IT1096661B (it) * 1978-06-13 1985-08-26 Montedison Spa Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente
IT1098272B (it) * 1978-08-22 1985-09-07 Montedison Spa Componenti,di catalizzatori e catalizzatori per la polimerizzazione delle alfa-olefine
US4379759A (en) * 1979-02-16 1983-04-12 Union Carbide Corporation Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization
JPS5883006A (ja) * 1981-11-13 1983-05-18 Mitsui Petrochem Ind Ltd オレフインの重合方法
FI80055C (fi) * 1986-06-09 1990-04-10 Neste Oy Foerfarande foer framstaellning av katalytkomponenter foer polymerisation av olefiner.
JP2637076B2 (ja) * 1986-07-21 1997-08-06 三井石油化学工業 株式会社 プロピレンブロツク共重合体の製法
FR2640273B1 (fr) * 1988-12-14 1992-09-04 Atochem Procede de polymerisation en phase gazeuse de l'ethylene permettant la fabrication de polyethylene lineaire de distribution etroite de masse moleculaire
FI89176C (fi) * 1989-03-20 1993-08-25 Neste Oy Foerfarande foer framstaellning av en polymerisationskatalysatorkomponent, en medelst foerfarandet framstaelld polymerisationskatalysatorkomponent och dess anvaendning
FI85151C (fi) * 1989-09-06 1992-03-10 Neste Oy Ny baerarkatalysator foer polymerisation av eten.
JP2879347B2 (ja) * 1989-10-02 1999-04-05 チッソ株式会社 オレフィン重合用触媒の製法
IT1246614B (it) 1991-06-03 1994-11-24 Himont Inc Procedimento per la polimerizzazione in fase gas delle olefine
IT1250731B (it) 1991-07-31 1995-04-21 Himont Inc Procedimento per la preparazione di polietilene lineare a bassa densita'
IT1254279B (it) * 1992-03-13 1995-09-14 Montecatini Tecnologie Srl Procedimento per la polimerizzazione in fase gas delle olefine
US5290745A (en) * 1992-08-10 1994-03-01 Union Carbide Chemicals & Plastics Technology Corporation Process for producing ethylene polymers having reduced hexane extractable content
RU2144041C1 (ru) * 1992-08-31 2000-01-10 Мицуи Кемикалз Инк. Твердый титановый компонент катализатора для полимеризации олефинов, способ его получения, катализатор для полимеризации олефинов и способ полимеризации олефинов
JP3280477B2 (ja) * 1992-08-31 2002-05-13 三井化学株式会社 オレフィン重合用固体状チタン触媒成分の調製方法
EP0661301A1 (en) * 1993-12-17 1995-07-05 Union Carbide Chemicals & Plastics Technology Corporation Process for producing ethylene polymers having reduced hexane extractable content
JPH10158319A (ja) * 1996-11-29 1998-06-16 Tokuyama Corp ポリプロピレンの製造方法
EP0914351B1 (en) 1997-03-29 2004-02-18 Basell Poliolefine Italia S.p.A. Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom
JP3895050B2 (ja) * 1997-08-11 2007-03-22 三井化学株式会社 固体状チタン触媒成分の調製方法
JP2002538244A (ja) * 1999-03-03 2002-11-12 イーストマン ケミカル カンパニー ポリエチレンの製造方法
CN1194993C (zh) 2002-06-06 2005-03-30 中国石油化工股份有限公司 用于乙烯聚合的固体催化剂组分及其催化剂
US7275148B2 (en) * 2003-09-08 2007-09-25 Freescale Semiconductor, Inc. Data processing system using multiple addressing modes for SIMD operations and method thereof

Also Published As

Publication number Publication date
CN100554287C (zh) 2009-10-28
ES2420879T3 (es) 2013-08-27
RU2005122489A (ru) 2006-01-20
EP1572756B1 (en) 2013-04-10
JP2010280894A (ja) 2010-12-16
KR101102793B1 (ko) 2012-01-05
CA2510679C (en) 2013-04-23
TW200417554A (en) 2004-09-16
US20060089251A1 (en) 2006-04-27
SA03240450B1 (ar) 2009-01-19
JP5366898B2 (ja) 2013-12-11
ZA200504131B (en) 2006-02-22
MXPA05006584A (es) 2005-08-16
RU2322457C2 (ru) 2008-04-20
AU2003292199A1 (en) 2004-07-09
ZA200504127B (en) 2006-02-22
BR0316913A (pt) 2005-10-18
WO2004055065A1 (en) 2004-07-01
KR20050084415A (ko) 2005-08-26
CN1726080A (zh) 2006-01-25
JP2006510751A (ja) 2006-03-30
ES2368425T3 (es) 2011-11-17
US7427653B2 (en) 2008-09-23
CA2510679A1 (en) 2004-07-01
BR0316913B1 (pt) 2014-09-09
CN1726230A (zh) 2006-01-25
EP1572756A1 (en) 2005-09-14

Similar Documents

Publication Publication Date Title
AR042496A1 (es) Un componente catalizador para (co) polimerizacion de olefina y en particular para la preparacion de lldpe, que comprende mg, ti, halogeno y un compuesto dador de electrones ( ed) que pertenece a eteres, esteres, aminas, cetonas o nitrilos
DE69703897D1 (de) Filmbildende polymerzusammensetzungen für kapseln
AR037575A1 (es) Tuberias plasticas de poliolefinas
AR034829A1 (es) Sistemas catalizadores de metaloceno mezclados que contienen un incorporador pobre de comonomeros y un buen incorporador de comonomeros
AR042144A1 (es) Copolimeros de buteno - 1, composiciones de polimeros que contienen dicho copolimero y procedimiento para su preparacion
GB9910042D0 (en) Infection resistant polymers, methods for their preparation, and other uses
ECSP066756A (es) Anticuerpo monoclonal específico m-csf y los usos del mismo
EG24910A (en) Polymerization catalysts for producing polymers with low levels of long chain branching
DE69903849D1 (de) Polymerisationskatalysator
WO2006065651A3 (en) Rheology modified polyethylene compositions
BR0214136A (pt) Polìmeros de enxerto, processo para a preparação e uso dos mesmos
AR083592A1 (es) Polimeros a base de etileno y procesos para dichos polimeros
EP2077283A4 (en) ETHYLENE COPOLYMER, COPOLYMER COMPOSITION, AND METHOD OF MANUFACTURE
MY132768A (en) Crystalline propylene copolymer compositions having improved sealability and optical properties and reduced solubility.
BR0112080A (pt) Vetores particulados para aperfeiçoamento da absorção oral de principios ativos
EA200701320A1 (ru) Сополимер
ATE496616T1 (de) Nicht-ausspuckbarer, oraler, schnell-zerfallender film enthaltend olanzapin
CL2004000799A1 (es) Mtodo de prevencion del aborto en animal prenado causado por un virus hvb-1, y/o por virus vdvb o vdb, metodo de prevencion de la infeccion en un animal lactante.
EP1847277A4 (en) SHEET-LIKE COMPOSITION USING AN AMNIOS AND PREPARATION METHOD THEREOF
AR050787A1 (es) Dispositivo de retencion
DE60331638D1 (de) Keratin-netzwerke enthaltende wundverbände für gewebedefekte
BRPI0411752A (pt) implantes subcutáneos apresentando liberação inicial limitada do princìpio ativo e liberação ampliada subseqüente linearmente variável do mesmo
DE69913020D1 (de) Transparente Antischuppen-Haarwaschzusammensetzungen
AR006023A1 (es) Vacuna contra el sindrome reproductivo y respiratorio porcino
MX2024002537A (es) Polimeros de peso molecular ultra alto y metodos de uso de los mismos.

Legal Events

Date Code Title Description
FB Suspension of granting procedure