PL377141A1 - Katalizator i sposób - Google Patents

Katalizator i sposób

Info

Publication number
PL377141A1
PL377141A1 PL377141A PL37714103A PL377141A1 PL 377141 A1 PL377141 A1 PL 377141A1 PL 377141 A PL377141 A PL 377141A PL 37714103 A PL37714103 A PL 37714103A PL 377141 A1 PL377141 A1 PL 377141A1
Authority
PL
Poland
Prior art keywords
catalyst
carboxylic acid
base
alkoxide
hydroxy carboxylic
Prior art date
Application number
PL377141A
Other languages
English (en)
Other versions
PL215259B1 (pl
Inventor
Charles Mark Lindall
Neville Slack
Martin Graham Partridge
Original Assignee
Johnson Matthey Plc
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 Johnson Matthey Plc filed Critical Johnson Matthey Plc
Publication of PL377141A1 publication Critical patent/PL377141A1/pl
Publication of PL215259B1 publication Critical patent/PL215259B1/pl

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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208—Oxygen, e.g. acetylacetonates
    • B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/232—Carbonates
    • B01J27/236—Hydroxy carbonates
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/84—Boron, aluminium, gallium, indium, thallium, rare-earth metals, or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • 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
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
    • B01J2231/49—Esterification or transesterification
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/30—Complexes comprising metals of Group III (IIIA or IIIB) as the central metal
    • B01J2531/31—Aluminium
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/30—Complexes comprising metals of Group III (IIIA or IIIB) as the central metal
    • B01J2531/38—Lanthanides other than lanthanum
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/46—Titanium
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/48—Zirconium
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/49—Hafnium
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0201—Oxygen-containing 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0201—Oxygen-containing compounds
    • B01J31/0211—Oxygen-containing compounds with a metal-oxygen link
    • B01J31/0212—Alkoxylates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
PL377141A 2002-12-04 2003-12-01 Kompozycja katalizatora i sposób wytwarzania estru PL215259B1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0228267.1A GB0228267D0 (en) 2002-12-04 2002-12-04 Catalyst and process

Publications (2)

Publication Number Publication Date
PL377141A1 true PL377141A1 (pl) 2006-01-23
PL215259B1 PL215259B1 (pl) 2013-11-29

Family

ID=9949042

Family Applications (1)

Application Number Title Priority Date Filing Date
PL377141A PL215259B1 (pl) 2002-12-04 2003-12-01 Kompozycja katalizatora i sposób wytwarzania estru

Country Status (16)

Country Link
US (2) US8232222B2 (pl)
EP (1) EP1567472B1 (pl)
JP (1) JP4504197B2 (pl)
KR (2) KR101135768B1 (pl)
CN (1) CN100338011C (pl)
AT (1) ATE385233T1 (pl)
AU (1) AU2003285546A1 (pl)
BR (2) BR0310145B1 (pl)
DE (1) DE60318957T2 (pl)
ES (1) ES2297243T3 (pl)
GB (1) GB0228267D0 (pl)
PL (1) PL215259B1 (pl)
PT (1) PT1567472E (pl)
RU (1) RU2316396C2 (pl)
TW (1) TWI369248B (pl)
WO (1) WO2004050239A2 (pl)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0228267D0 (en) * 2002-12-04 2003-01-08 Johnson Matthey Plc Catalyst and process
US7226888B2 (en) * 2004-08-06 2007-06-05 E. I. Du Pont De Nemours And Company Composition comprising titanium and aluminium and polyester production
TWI290953B (en) * 2005-07-22 2007-12-11 Chien-Tien Chen Nucleophilic acyl substitutions of acids or esters catalyzed by metal oxide complex, and the applications in fabricating biodiesel
TWI276642B (en) * 2005-07-22 2007-03-21 Chien-Tien Chen Nucleophilic acyl substituting polymerizations catalyzed by metal oxide complex
BRPI0713175B1 (pt) * 2006-07-18 2018-07-10 M&G Usa Corporation Compostos poss-metal para a fabricação de polimeros de policondensação
US7745368B2 (en) 2006-07-28 2010-06-29 Eastman Chemical Company Non-precipitating alkali/alkaline earth metal and aluminum compositions made with organic hydroxyacids
US7709595B2 (en) 2006-07-28 2010-05-04 Eastman Chemical Company Non-precipitating alkali/alkaline earth metal and aluminum solutions made with polyhydroxyl ether solvents
US7709593B2 (en) 2006-07-28 2010-05-04 Eastman Chemical Company Multiple feeds of catalyst metals to a polyester production process
US8563677B2 (en) * 2006-12-08 2013-10-22 Grupo Petrotemex, S.A. De C.V. Non-precipitating alkali/alkaline earth metal and aluminum solutions made with diols having at least two primary hydroxyl groups
US7767175B2 (en) * 2007-01-09 2010-08-03 Catalytic Solutions, Inc. Ammonia SCR catalyst and method of using the catalyst
US7527776B2 (en) * 2007-01-09 2009-05-05 Catalytic Solutions, Inc. Ammonia SCR catalyst and method of using the catalyst
US7943097B2 (en) * 2007-01-09 2011-05-17 Catalytic Solutions, Inc. Reactor system for reducing NOx emissions from boilers
US8802582B2 (en) * 2007-01-09 2014-08-12 Catalytic Solutions, Inc. High temperature ammonia SCR catalyst and method of using the catalyst
GB2447268A (en) * 2007-03-06 2008-09-10 Johnson Matthey Plc Process for polymerisation of a cyclic monomer
US8017723B2 (en) 2008-10-31 2011-09-13 Grupo Petrotemex, S.A. De C.V. Steam heated polyester production process
US8198397B2 (en) 2008-10-31 2012-06-12 Grupo Petrotemex, S.A. De C.V. Integrated steam heating in polyester production process
GB201002278D0 (en) 2010-02-11 2010-03-31 Johnson Matthey Plc composition and method of preparation
CN102477151B (zh) * 2010-11-25 2015-08-19 东丽纤维研究所(中国)有限公司 聚酯制备用催化剂及其制备方法以及生产聚酯的方法
EP2765149B8 (en) 2013-02-06 2019-07-24 Uhde Inventa-Fischer GmbH Method for the production of a titanium containing catalyst, titanium containing catalyst, method for the production of polyester and polyester
CN103804190B (zh) * 2014-03-11 2016-04-20 南通龙翔化工有限公司 一种丁二酸二叔烷基酯的合成方法
ES2694276T3 (es) * 2014-09-24 2018-12-19 Basf Se Procedimiento para la producción de diésteres del ácido tereftálico
US9981902B2 (en) 2015-10-23 2018-05-29 Columbia Insurance Company Process for production of an ester and diol from reclaimed carpet material
CN109666131B (zh) * 2017-10-17 2022-02-01 中国石油化工股份有限公司 聚对苯二甲酸丁二醇酯树脂的制备方法
CN111087583B (zh) * 2018-10-23 2022-11-04 中国石油化工股份有限公司 低端羧基pbt树脂的制备方法
CN109503819B (zh) * 2019-01-04 2021-09-21 中国科学院成都有机化学有限公司 一种合成pbt聚酯的方法
CN110964189B (zh) * 2019-06-21 2022-03-29 柏瑞克股份有限公司 用于酯化反应的催化剂及催化酯化反应的方法
TWI738470B (zh) * 2019-10-30 2021-09-01 柏瑞克股份有限公司 用於催化酯化反應的催化劑及其合成方法
CN113801311B (zh) * 2020-06-15 2023-08-29 中国石油化工股份有限公司 聚酯制备方法
CN113881027B (zh) * 2020-07-01 2023-06-06 中国石油化工股份有限公司 一种钛系聚酯催化剂及其制备方法和应用
EP4101817A1 (en) * 2021-06-11 2022-12-14 Clariant International Ltd New titanium catalyst for the polyester manufacturing process
CN116444777B (zh) * 2023-05-05 2025-03-21 喀什地区第一人民医院 一种聚酯和/或共聚酯、其制备方法以及所用催化剂
CN119281313B (zh) * 2023-07-10 2025-10-14 中国石油化工股份有限公司 钛-硅系复配催化剂及其制备方法和解聚聚对苯二甲酸乙二醇酯的方法
JP2026004213A (ja) * 2024-06-25 2026-01-14 三菱ケミカル株式会社 テレフタル酸ジメチル組成物、及びポリエステル
WO2026062452A1 (en) * 2024-09-20 2026-03-26 Ptt Exploration And Production Public Company Limited Process for preparing a catalyst from metal-organic framework material for use in a catalytic synthesis of cyclic carbonates

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056818A (en) * 1955-10-13 1962-10-02 Goodrich Co B F Titanium and zirconium esterification catalysts
GB1073501A (en) 1965-03-11 1967-06-28 Agfa Gevaert Nv Manufacture of polymers
US3644291A (en) * 1968-11-20 1972-02-22 Fmc Corp Titanium compounds as polycondensation catalysts in preparation of linear polyesters
US4400040A (en) * 1981-11-16 1983-08-23 The Timken Company Tapered roller bearing with improved lubricating means
US4475242A (en) * 1982-11-10 1984-10-02 Marc Rafal Microwave communications system
US4452969A (en) 1983-06-09 1984-06-05 General Electric Company Poly(alkylene dicarboxylate) process and catalysts for use therein
US4780527A (en) * 1987-05-06 1988-10-25 Industrial Technology Research Institute Preparation of polyesters from terephthalic acid
JP3077769B2 (ja) 1991-04-04 2000-08-14 日本製紙株式会社 包装用積層材
RU2053218C1 (ru) * 1992-12-30 1996-01-27 Фирма КБК Способ получения сложных эфиров
KR0131008B1 (ko) 1994-09-27 1998-04-13 이종덕 대오염성이 우수한 광경화형 수지 조성물 및 이의 제품
US5527976A (en) * 1995-01-12 1996-06-18 General Electric Company Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers
KR0174066B1 (ko) 1995-08-14 1999-04-01 김상응 항균방취 섬유용 폴리에스테르의 제조방법
GB9612161D0 (en) 1996-06-11 1996-08-14 Tioxide Specialties Ltd Esterification process
DE69731532T2 (de) * 1996-06-11 2006-03-02 DuPont Teijin Films U.S., Ltd. Partnership, Wilmington Verfahren zur Herstellung eines Polyesterpolymers
GB2314081B (en) 1996-06-11 2000-02-23 Tioxide Specialties Ltd Esterification process using an organotitanium or organozirconium catalyst
GB9725419D0 (en) * 1997-12-02 1998-01-28 Tioxide Specialties Ltd Esterification catalysts
TW438836B (en) 1998-02-05 2001-06-07 Ind Tech Res Inst Poly(1,3-propylene terephthalate)
US6114458A (en) 1998-09-23 2000-09-05 International Business Machines Corporation Highly branched radial block copolymers
US6133404A (en) 1998-12-26 2000-10-17 National Institute Of Technology And Quality Polyester and formation process thereof
US6291386B1 (en) 1999-05-25 2001-09-18 Equistar Chemicals, Lp Process for the in-situ preparation of single-site transition metal catalysts and polymerization process
GB9912210D0 (en) 1999-05-25 1999-07-28 Acma Ltd Esterification catalysts
US6075115A (en) 1999-10-19 2000-06-13 E. I. Du Pont De Nemours And Company Process for the production of 5-sulfo isophthalate bis-glycolate ester metal salts and oxysulfonated polyesters made therefrom
JP2004514764A (ja) 2000-11-21 2004-05-20 インペリアル・ケミカル・インダストリーズ・ピーエルシー エステル化触媒、ポリエステルプロセス、およびポリエステル製品
US6437088B1 (en) 2001-08-14 2002-08-20 E. I. Du Pont De Nemours And Company Process for producing polyester with coated titanium dioxide
GB0228267D0 (en) * 2002-12-04 2003-01-08 Johnson Matthey Plc Catalyst and process
GB0323386D0 (en) * 2003-10-07 2003-11-05 Johnson Matthey Plc Catalyst for manufacture of esters

Also Published As

Publication number Publication date
PT1567472E (pt) 2008-03-12
JP4504197B2 (ja) 2010-07-14
US20060155102A1 (en) 2006-07-13
CN100338011C (zh) 2007-09-19
ES2297243T3 (es) 2008-05-01
EP1567472A2 (en) 2005-08-31
BR0310145B1 (pt) 2013-02-05
AU2003285546A8 (en) 2004-06-23
BR0317034A (pt) 2005-10-25
DE60318957T2 (de) 2009-01-22
CN1720216A (zh) 2006-01-11
US8232222B2 (en) 2012-07-31
DE60318957D1 (de) 2008-03-20
JP2006509069A (ja) 2006-03-16
KR101240113B1 (ko) 2013-03-07
TWI369248B (en) 2012-08-01
KR101135768B1 (ko) 2012-04-16
US20120271030A1 (en) 2012-10-25
EP1567472B1 (en) 2008-01-30
AU2003285546A1 (en) 2004-06-23
WO2004050239A3 (en) 2004-09-16
ATE385233T1 (de) 2008-02-15
GB0228267D0 (en) 2003-01-08
US8455387B2 (en) 2013-06-04
RU2005120775A (ru) 2006-01-20
TW200500140A (en) 2005-01-01
WO2004050239A2 (en) 2004-06-17
KR20110134949A (ko) 2011-12-15
RU2316396C2 (ru) 2008-02-10
PL215259B1 (pl) 2013-11-29
KR20050085340A (ko) 2005-08-29

Similar Documents

Publication Publication Date Title
TWI369248B (en) Catalyst and process
MY128075A (en) Esterification catalysts
CO4810331A1 (es) Proceso para la preparacion de esteres en presencia de un catalizador
TW264489B (pl)
BR0115879A (pt) Catalisador de esterificação, processo de poliéster e artigo de poliéster
CA2319006A1 (en) Synthesis method of chemical industrial raw materials and high-octane fuel, and high-octane fuel composition
FI981718A0 (fi) Katalysaattorikomponentti, joka käsittää magnesiumia, titaania, halogeenia ja elektrodonorin, sen valmistus ja käyttö
UY26149A1 (es) Catalizadores para procesos de esterificacion ley 17164
MXPA03000505A (es) Proceso para producir tereftalato de politrimetileno.
MY129072A (en) Process of producing polybutylene terephthalate
BR0206270A (pt) Processo para a produção de um poliéster
MY114965A (en) Catalyst composition for the preparation of polyesters, and related processes
US5183930A (en) Transesterification catalyst
PT1466905E (pt) Processo para a produção de éster do ácido oxo-heptenóico opticamente activo
EG23512A (en) Catalyst complex for catalysing esterification andtrans-esterification reactions and process for esterification trans esterification using the same
DE60000480D1 (de) Katalyse mit titanoxyden
MY122878A (en) Hydrogenation of polyester oligomers containing terephthalic acid residues
TW200508184A (en) Production processes of lower aliphatic acid alkenyl esters and enol
MY142165A (en) Process for producing polybutylene terephthalate
CN1323655A (zh) 一种酯化反应用高选择性、高活性固体酸及其制备方法
TW304942B (pl)
DE60331672D1 (de) Katalytische zusammensetzung, die organozinn verbindungen enthält
JP4493072B2 (ja) 環状ラクトンの製造法
TW420698B (en) Method to change synthetic reaction rate of polyethyl terephthalate ester
JPH11140017A5 (pl)

Legal Events

Date Code Title Description
RECP Rectifications of patent specification