BR0208368A - Processo para preparar um catalisador, catalisador, e, processo para preparar um carboxilato de alquenila - Google Patents

Processo para preparar um catalisador, catalisador, e, processo para preparar um carboxilato de alquenila

Info

Publication number
BR0208368A
BR0208368A BR0208368-0A BR0208368A BR0208368A BR 0208368 A BR0208368 A BR 0208368A BR 0208368 A BR0208368 A BR 0208368A BR 0208368 A BR0208368 A BR 0208368A
Authority
BR
Brazil
Prior art keywords
catalyst
preparing
alkenyl carboxylate
vehicle
undergone
Prior art date
Application number
BR0208368-0A
Other languages
English (en)
Inventor
Michael Francis Lemanski
John Robert Lockemeyer
Original Assignee
Shell Intenationale Res Mij B
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 Shell Intenationale Res Mij B filed Critical Shell Intenationale Res Mij B
Publication of BR0208368A publication Critical patent/BR0208368A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/06—Washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/52—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
    • C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
    • C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

"PROCESSO PARA PREPARAR UM CATALISADOR, CATALISADOR, E, PROCESSO PARA PREPARAR UM CARBOXILATO DE ALQUENILA". Um processo para preparar um catalisador, processo este que compreende as etapas de (a) selecionar um veículo que seja um veículo com base em sílica que foi submetido a uma série de lavagens com um ou mais líquidos aquosos consistindo de líquidos aquosos que tenham um pH de no mínimo 3, quando medido a 20<198>C ou que seja um veículo com base em sílica que é formado a partir de materiais, um ou mais dos quais foram submetidos a uma dita série de lavagens, (b) precipitar um composto de metal do Grupo 8 sobre o veiculo, (c) converter o composto de metal do Grupo 8 precipitado na espécie metálica e (d) submeter a composição de metal do Grupo 8/veículo a um tratamento de purificação, antes ou depois da Etapa (c); um catalisador que é obtenível por este processo; e um processo para preparar um carboxilato de alquenila que compreende reagir uma mistura que compreende uma olefina, um ácido carboxílico e oxigênio na presença do catalisador.
BR0208368-0A 2001-03-30 2002-03-28 Processo para preparar um catalisador, catalisador, e, processo para preparar um carboxilato de alquenila BR0208368A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28018901P 2001-03-30 2001-03-30
PCT/US2002/009632 WO2002078843A1 (en) 2001-03-30 2002-03-28 Process for preparing a group viii-metal containing catalyst, use thereof for preparing an alkenyl carboxylate

Publications (1)

Publication Number Publication Date
BR0208368A true BR0208368A (pt) 2004-03-09

Family

ID=23072053

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0208368-0A BR0208368A (pt) 2001-03-30 2002-03-28 Processo para preparar um catalisador, catalisador, e, processo para preparar um carboxilato de alquenila

Country Status (13)

Country Link
US (1) US7425647B2 (pt)
EP (1) EP1372845A1 (pt)
JP (1) JP2004528165A (pt)
KR (1) KR100887001B1 (pt)
CN (1) CN1281322C (pt)
BR (1) BR0208368A (pt)
CA (1) CA2448322A1 (pt)
MX (1) MXPA03008716A (pt)
MY (1) MY139952A (pt)
RU (1) RU2282499C2 (pt)
TW (1) TW574205B (pt)
WO (1) WO2002078843A1 (pt)
ZA (1) ZA200307303B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4421201B2 (ja) * 2002-03-27 2010-02-24 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー 触媒を調製する方法、触媒、および触媒の使用
JP4882283B2 (ja) * 2005-06-08 2012-02-22 大日本印刷株式会社 商品管理システム及び制御プログラム並びに情報記録媒体
DE102006058800A1 (de) * 2006-12-13 2008-06-19 Wacker Chemie Ag Verfahren zur Herstellung von Katalysatoren und deren Verwendung für die Gasphasenoxidation von Olefinen
JP5015057B2 (ja) * 2008-04-09 2012-08-29 三井化学株式会社 塩素合成用触媒およびその製造方法、ならびに該触媒を用いた塩素の合成方法
CN102105219B (zh) * 2008-05-22 2013-07-31 陶氏环球技术有限责任公司 二氧化硅承载催化剂上的金属铂及其制备方法
GB201110850D0 (en) 2011-03-04 2011-08-10 Johnson Matthey Plc Catalyst and mehtod of preparation
US9550170B2 (en) * 2012-04-10 2017-01-24 Brookhaven Sciecne Associates, LLC Synthesis of nanoparticles using ethanol
RU2721603C2 (ru) 2015-12-15 2020-05-21 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способы и системы для удаления примеси алкилиодида из возвратного газового потока при получении этиленоксида
WO2017102706A1 (en) 2015-12-15 2017-06-22 Shell Internationale Research Maatschappij B.V. Processes and systems for removing iodide impurities from a recycle gas stream in the production of ethylene oxide
CN108367261B (zh) 2015-12-15 2021-06-25 国际壳牌研究有限公司 防护床系统和方法
EP3390379B1 (en) 2015-12-15 2019-10-30 Shell International Research Maatschappij B.V. Processes and systems for removing a vinyl iodide impurity from a recycle gas stream in the production of ethylene oxide
TWI772330B (zh) 2016-10-14 2022-08-01 荷蘭商蜆殼國際研究所 用於定量分析氣態製程流之方法及設備

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386499A (en) * 1943-03-04 1945-10-09 Phillips Petroleum Co Supported catalysts and process for preparing same
GB1144494A (en) * 1965-05-31 1969-03-05 British Petroleum Co Improvements relating to the preparation of catalysts
DE1252662B (pt) 1965-06-25
US3328316A (en) * 1966-01-24 1967-06-27 Chevron Res Method of depositing metals on siliceous supports
FR1549174A (pt) * 1967-01-04 1968-12-13
ES362221A1 (es) 1967-12-28 1970-12-01 Nat Distillers Chem Corp Procedimiento para la preparacion de acetato de vinilo.
CH534005A (de) 1968-02-01 1973-02-28 Bayer Ag Verfahren zur Herstellung eines Palladium und Gold enthaltenden Katalysators
GB1283737A (en) 1968-09-04 1972-08-02 Nat Distillers Chem Corp Method of catalyst preparation
US4048096A (en) 1976-04-12 1977-09-13 E. I. Du Pont De Nemours And Company Surface impregnated catalyst
US4497908A (en) * 1984-03-23 1985-02-05 Shell Oil Company Copper-alkali metal-ruthenium/silica catalyst for converting syngas to linear alpha-olefins
DE3919524A1 (de) 1989-06-15 1990-12-20 Hoechst Ag Verfahren zur herstellung von vinylacetat
US5225388A (en) 1989-12-05 1993-07-06 Hoechst Aktiengesellschaft Method for making a catalyst
US5185308A (en) 1991-05-06 1993-02-09 Bp Chemicals Limited Catalysts and processes for the manufacture of vinyl acetate
US5179057A (en) 1991-05-06 1993-01-12 Union Carbide Chemicals & Plastics Technology Corporation Catalysts for alkenyl alkanoate production
US5274181A (en) 1991-05-06 1993-12-28 Bp Chemicals Limited Catalysts and processes for the manufacture of vinyl acetate
US5342987A (en) 1991-05-06 1994-08-30 Union Carbide Chemicals & Plastics Technology Corporation Alkenyl alkanoate production
US5179056A (en) 1991-05-06 1993-01-12 Union Carbide Chemicals & Plastics Technology Corporation Production of alkenyl alkanoate catalysts
DE4120492A1 (de) 1991-06-21 1992-12-24 Hoechst Ag Verfahren zur herstellung von vinylacetat
US5189004A (en) 1991-11-18 1993-02-23 Union Carbide Chemicals & Plastics Technology Corporation Alkenyl alkanoate catalyst process
TW330160B (en) 1992-04-08 1998-04-21 Hoechst Ag Supported catalyst, process for its preparation and its use for the preparation of vinyl acetate
US5332710A (en) * 1992-10-14 1994-07-26 Hoechst Celanese Corporation Vinyl acetate catalyst preparation method
US5314858A (en) 1992-10-14 1994-05-24 Hoechst Celanese Corporation Vinyl acetate catalyst preparation method
DE4323978C1 (de) 1993-07-16 1995-02-16 Hoechst Ag Palladium und Kalium sowie Cadmium, Barium oder Gold enthaltender Schalenkatalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung zur Herstellung von Vinylacetat
DE4323981C1 (de) 1993-07-16 1995-03-09 Hoechst Ag Palladium und Kalium sowie Cadmium, Barium oder Gold enthaltender Schalenkatalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung zur Herstellung von Vinylacetat
US5364826A (en) * 1993-09-13 1994-11-15 Shell Oil Company Process for preparing ethylene oxide catalysts
US5466652A (en) * 1994-02-22 1995-11-14 The Standard Oil Co. Process for the preparation of vinyl acetate catalyst
US6034030A (en) 1994-02-22 2000-03-07 Celanese International Corporation Vinyl acetate catalyst preparation method
US5665667A (en) * 1994-06-02 1997-09-09 The Standard Oil Company Process for the preparation of vinyl acetate catalyst
DE19501891C1 (de) 1995-01-23 1996-09-26 Degussa Verfahren zur Herstellung eines Trägerkatalysators und seine Verwendung für die Produktion von Vinylacetat
US6022823A (en) 1995-11-07 2000-02-08 Millennium Petrochemicals, Inc. Process for the production of supported palladium-gold catalysts
US5705679A (en) * 1996-04-02 1998-01-06 Nicolau; Ioan Honeycomb catalyst for vinyl acetate synthesis
DE19613791C2 (de) * 1996-04-04 2002-01-31 Celanese Chem Europe Gmbh Katalysator, Verfahren zu seiner Herstellung und Verfahren zur Herstellung von Vinylacetat
US5691267A (en) * 1996-04-16 1997-11-25 Hoechst Celanese Corporation Two step gold addition method for preparing a vinyl acetate catalyst
US6207610B1 (en) * 1996-05-17 2001-03-27 Degussa-Huls Ag Compacts based on pyrogenically produced silicon dioxide
US5693586A (en) 1996-06-28 1997-12-02 Hoechst Celanese Corporation Palladium-gold catalyst for vinyl acetate production
GB9622911D0 (en) 1996-11-04 1997-01-08 Bp Chem Int Ltd Process
DE19734975A1 (de) 1997-08-13 1999-03-11 Hoechst Ag Schalenkatalysator, Verfahren zu dessen Herstellung sowie Verwendung, insbesondere zur Gasphasenoxidation von Ethylen und Essigsäure zu Vinylacetat
DE19734974A1 (de) 1997-08-13 1999-02-25 Hoechst Ag Verfahren zur Herstellung von porös geträgerten Metall-Nanopartikel-haltigen Katalysatoren, insbesondere für die Gasphasenoxidation von Ethylen und Essigsäure zu Vinylacetat
DE19754991C2 (de) 1997-12-11 2000-03-23 Celanese Chem Europe Gmbh Katalysator, Verfahren zur Herstellung des Katalysators und Verfahren zur Herstellung von Vinylacetat unter Einsatz des Katalysators
DE19754992C2 (de) 1997-12-11 2000-03-23 Celanese Chem Europe Gmbh Katalysator, Verfahren zur Herstellung des Katalysators und Verfahren zur Herstellung von Vinylacetat unter Einsatz des Katalysators
EP0937498B1 (en) 1998-02-20 2004-08-18 Nippon Shokubai Co., Ltd. Silver catalyst for production of ethylene Oxide, method for production thereof, and method for production of ethylene oxide
GB9810928D0 (en) 1998-05-22 1998-07-22 Bp Chem Int Ltd Catalyst and process
TW471982B (en) 1998-06-02 2002-01-11 Dairen Chemical Corp Catalyst manufacture method and its use for preparing vinyl acetate
JP2000070718A (ja) 1998-06-17 2000-03-07 Nippon Shokubai Co Ltd ベンジルエステルの製造方法
SG87005A1 (en) 1998-07-28 2002-03-19 Dairen Chemical Corp Preparation process of catalyst for producing alkenyl acetates and catalyst prepared by this process
GB9817362D0 (en) 1998-08-11 1998-10-07 Bp Chem Int Ltd Improved process for the production if vinyl acetate
BR9913599A (pt) 1998-09-14 2001-05-22 Shell Int Research Processos para preparação de um catalisador e para epoxidação catalìtica de um alqueno com um gás contendo oxigênio
TR200100748T2 (tr) 1998-09-14 2001-08-21 Shell Internationale Research Maatschappij B.V. Katalitik özelliklerin geliştirilmesi amacıyla katalizör yüzeyinden iyonlaşabilir türlerin çıkarılması için bir işlem
RU2225255C2 (ru) 1998-09-14 2004-03-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Носитель катализатора эпоксидирования, его получение и применение
CN1089638C (zh) 1998-10-12 2002-08-28 大连化学工业股份有限公司 催化剂的制法及其在制备乙酸烯酯中的用途
GB9826754D0 (en) 1998-12-04 1999-01-27 Bp Chem Int Ltd Process for the production of vinyl acetate
DE19914066A1 (de) 1999-03-27 2000-10-05 Celanese Chem Europe Gmbh Katalysatoren für die Gasphasenoxidation von Ethylen und Essigsäure zu Vinylacetat, Verfahren zu ihrer Herstellung und ihre Verwendung
CN1090996C (zh) 1999-03-30 2002-09-18 中国石油化工集团公司 生产醋酸乙烯催化剂的制备方法
US6143921A (en) 1999-05-14 2000-11-07 Saudi Basic Industries Corporation Method for producing vinyl acetate monomer from ethane or ethylene oxidation
US6303537B1 (en) 1999-11-17 2001-10-16 Celanese International Corporation Vinyl acetate catalyst comprising metallic palladium and gold and prepared utilizing sonication
CN1115323C (zh) 1999-12-02 2003-07-23 中国石化上海石油化工股份有限公司 一种乙烯法制备醋酸乙烯酯的方法
CN1108871C (zh) 1999-12-02 2003-05-21 中国石化上海石油化工股份有限公司 乙烯法制备醋酸乙烯酯的催化剂
US6420308B1 (en) 2000-07-07 2002-07-16 Saudi Basic Industries Corp Highly selective shell impregnated catalyst of improved space time yield for production of vinyl acetate
US6794332B2 (en) * 2000-07-07 2004-09-21 Saudi Basic Industries Corporation Highly selective shell impregnated catalyst of improved space time yield for production of vinyl acetate
US6534438B1 (en) 2000-07-26 2003-03-18 Bp Chemicals Limited Catalyst composition
CN1112241C (zh) 2000-08-30 2003-06-25 中国石化上海石油化工股份有限公司 一种用于乙烯法制备醋酸乙烯酯的高活性催化剂
ATE361784T1 (de) 2000-11-09 2007-06-15 Dairen Chemical Corp Verfahren zur herstellung von katalysatoren

Also Published As

Publication number Publication date
US20040133034A1 (en) 2004-07-08
TW574205B (en) 2004-02-01
WO2002078843A1 (en) 2002-10-10
KR100887001B1 (ko) 2009-03-04
CA2448322A1 (en) 2002-10-10
US7425647B2 (en) 2008-09-16
ZA200307303B (en) 2004-05-24
MXPA03008716A (es) 2003-12-11
EP1372845A1 (en) 2004-01-02
RU2003131895A (ru) 2005-01-27
KR20040004564A (ko) 2004-01-13
CN1500008A (zh) 2004-05-26
MY139952A (en) 2009-11-30
JP2004528165A (ja) 2004-09-16
RU2282499C2 (ru) 2006-08-27
CN1281322C (zh) 2006-10-25

Similar Documents

Publication Publication Date Title
BR0208368A (pt) Processo para preparar um catalisador, catalisador, e, processo para preparar um carboxilato de alquenila
BR0313814A (pt) Processo para preparação de aldeìdos por hidroformilação de compostos olefinicamente insaturados, catalisado por complexos metálicos não modificados, na presença de ésteres de ácido carbÈnico cìclicos
BR0210333A (pt) catalisador de rutênio, processos para preparar o mesmo e álcoois de açúcar por hidrogenação catalìtica dos monossacarìdeos e oligossacarìdeos correspondentes, e, uso de um catalisador
ATE365340T1 (de) Zur bilderzeugung mit tiefer uv-strahlung geeignete photoresistzusammensetzung und diese verwendendes bilderzeugungsverfahren
BR9404707A (pt) Compostos de metaloceno,sistema de catalisador,processos para a preparação de tais compostos e para a preparação de um polímero de olefina,artigo moldado e aplicação dos ditos compostos
AR006463A1 (es) Composicion de magnesio, titanio, halogeno y ester de acido carboxilico; proceso para su preparacion, uso de la misma como un catalizador, componentecatalizador o en la preparacion de un catalizador, producto o producto intermedio de polimerizacion catalizado por la composicion o preparado por
ATE384754T1 (de) Verfahren zur herstellung von hochverzweigten polyamiden
DE69822117D1 (de) Verfahren zur Herstellung von olefinischen Epoxiden
BRPI0415085A (pt) catalisador adequado para uso em uma reação de esterificação, processo para produção de um éster e processo para produção de um poliéster
DE60024327D1 (de) Ein verfahren zur herstellung von ethylen homo- und copolymer
ATE393151T1 (de) Laktonisierung im verfahren zur herstellung von statinen
BR9813299A (pt) Catalisador e processo para a produção de acetato de vinilo
DE10347863A1 (de) Verfahren zur Herstellung von Benzoesäureestern
BR0017020A (pt) Processo de polimerização
DE50113869D1 (de) Verfahren zur herstellung einer lösung von einem polymer enthaltend wiederkehrende azoleinheiten
PT1158014E (pt) Processo para a producao de poliesteres biodegradaveis
DE60117525D1 (de) Verfahren zur herstellung von laktonen
ATE286869T1 (de) Verfahren zur herstellung eines diols
ATE309286T1 (de) Verfahren zur herstellung von polyesterpolyolen mehrwertiger alkohole
ATE286062T1 (de) Verfahren zur herstellung von l-ribavirin
DE69518192T2 (de) Verfahren zur Herstellung von N-Alkyl-N-Pyridinyl-1H-Indol-1-Aminen
BR0208379A (pt) Sistema catalìtico e seu uso em um processo de polimerização
JPH07309862A (ja) ラクチドの製造方法
ATE257145T1 (de) Verfahren zur herstellung von isobornylmethacrylat
BR0210089A (pt) Processos para aumentar a resistência ao empelotamento de um polìmero de poliéster, polìmero de poliéster e processo de redução da velocidade de cristalização

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE(S).

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2125 DE 27/09/2011.