ES2139099T3 - Procedimiento para la obtencion de poliesteres termoplasticos con un bajo contenido de grupos terminales carboxilo. - Google Patents

Procedimiento para la obtencion de poliesteres termoplasticos con un bajo contenido de grupos terminales carboxilo.

Info

Publication number
ES2139099T3
ES2139099T3 ES95100164T ES95100164T ES2139099T3 ES 2139099 T3 ES2139099 T3 ES 2139099T3 ES 95100164 T ES95100164 T ES 95100164T ES 95100164 T ES95100164 T ES 95100164T ES 2139099 T3 ES2139099 T3 ES 2139099T3
Authority
ES
Spain
Prior art keywords
procedure
carboxyl groups
low content
terminal carboxyl
thermoplastic polyesters
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
ES95100164T
Other languages
English (en)
Inventor
Peter Dr Braune
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2139099T3 publication Critical patent/ES2139099T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

PROCESO PARA LA ELABORACION DE POLIESTER TERMOPLASTICO MEDIANTE POLICONDENSACION DE COMPUESTOS DIHIDROXI CON ACIDO DICARBOXILICO O SUS ESTERES O DERIVADOS FORMADORES DE ESTER, DONDE UN COMPUESTO DE METAL ALCALINO O UN COMPUESTO DE METAL ALCALINOTERREO SE AGREGA EN UNA CANTIDAD MENOR DE 1 MMOL POR KG DE POLIESTER, CALCULADO COMO METAL ALCALINO O METAL ALCALINOTERREO.
ES95100164T 1994-01-15 1995-01-07 Procedimiento para la obtencion de poliesteres termoplasticos con un bajo contenido de grupos terminales carboxilo. Expired - Lifetime ES2139099T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4401055A DE4401055A1 (de) 1994-01-15 1994-01-15 Verfahren zur Herstellung von thermoplastischen Polyestern mit niedrigem Carboxylendgruppengehalt
CN95102733A CN1061056C (zh) 1994-01-15 1995-02-21 热塑性聚酯的制备

Publications (1)

Publication Number Publication Date
ES2139099T3 true ES2139099T3 (es) 2000-02-01

Family

ID=37102581

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95100164T Expired - Lifetime ES2139099T3 (es) 1994-01-15 1995-01-07 Procedimiento para la obtencion de poliesteres termoplasticos con un bajo contenido de grupos terminales carboxilo.

Country Status (5)

Country Link
US (1) US5496887A (es)
EP (1) EP0663416B1 (es)
CN (1) CN1061056C (es)
DE (1) DE4401055A1 (es)
ES (1) ES2139099T3 (es)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745921A1 (de) * 1997-10-17 1999-04-22 Basf Ag Verwendung von hochmolekularen Polyesterformmassen
DE19814529A1 (de) 1998-04-01 1999-10-07 Basf Ag Polyalkylenarylate mit hohem Carbonylendgruppengehalt
US6025061A (en) * 1998-04-23 2000-02-15 Hna Holdings, Inc. Sheets formed from polyesters including isosorbide
US6063495A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Polyester fiber and methods for making same
US6063465A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Polyester container and method for making same
US6063464A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Isosorbide containing polyesters and methods for making same
US5958581A (en) * 1998-04-23 1999-09-28 Hna Holdings, Inc. Polyester film and methods for making same
US5959066A (en) * 1998-04-23 1999-09-28 Hna Holdings, Inc. Polyesters including isosorbide as a comonomer and methods for making same
US6126992A (en) * 1998-04-23 2000-10-03 E.I. Dupont De Nemours And Company Optical articles comprising isosorbide polyesters and method for making same
US6140422A (en) * 1998-04-23 2000-10-31 E.I. Dupont De Nemours And Company Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers
DE10129532A1 (de) * 2001-06-21 2003-01-09 Basf Ag Hochstabilisiertes Polymer
DE10259266A1 (de) * 2002-12-17 2004-07-01 Basf Ag Thermoplastische Formmassen
US20040135118A1 (en) * 2002-12-18 2004-07-15 Waggoner Marion G. Process for producing a liquid crystalline polymer
DE102004005652A1 (de) 2004-02-04 2005-08-25 Basf Ag Fließfähige Polyesterformmassen
DE102004005657A1 (de) * 2004-02-04 2005-08-25 Basf Ag Fließfähige Polyesterformmassen
MY139705A (en) * 2004-07-19 2009-10-30 Basf Ag Mixtures of hyperbranched polyesters with polycarbonates as additive for polyester molding compositions
DE102004035357A1 (de) * 2004-07-21 2006-03-16 Basf Ag Kontinuierliches Verfahren zur Herstellung von Polyalkylenarylaten mit hyperverzweigten Polyestern und/oder Polycarbonaten
DE102004038976A1 (de) * 2004-08-10 2006-02-23 Basf Ag Fließfähige Polyesterformmassen mit ASA/ABS und SAN
DE102004038979A1 (de) * 2004-08-10 2006-02-23 Basf Ag Schlagzähmodifizierte Polyester mit hyperverzweigten Polyestern
DE102004059243A1 (de) * 2004-08-10 2006-02-23 Basf Ag Thermoplastische Formmassen mit verbesserten Fließ- und Entformungseigenschaften
DE102004049342A1 (de) 2004-10-08 2006-04-13 Basf Ag Fließfähige Thermoplaste mit halogenfreiem Flammschutz
DE102004050025A1 (de) * 2004-10-13 2006-04-20 Basf Ag Fließfähige Thermoplaste mit Halogenflammschutz
DE102004051241A1 (de) * 2004-10-20 2006-05-04 Basf Ag Fließfähige Polyamide mit hyperverzweigten Polyestern/Polycarbonaten
DE102005002044A1 (de) * 2005-01-14 2006-07-20 Basf Ag Fließfähige Polyester mit Hydrolyseschutz
DE102005004856A1 (de) * 2005-02-01 2006-08-03 Basf Ag Fliessfähige Polyester mit Carbodilmid-Stabilisatoren
DE102005027549A1 (de) 2005-06-14 2006-12-21 Basf Ag Mehrkomponentenformkörper mit Polyesterschichten
US8557950B2 (en) * 2005-06-16 2013-10-15 Grupo Petrotemex, S.A. De C.V. High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates
DE102005034980A1 (de) * 2005-07-22 2007-01-25 Basf Ag Fasern und Flüssigkeitsbehälter aus PET
DE102005034999A1 (de) * 2005-07-22 2007-01-25 Basf Ag Fließfähige Polyester mit Polyesterelastomeren
US7655746B2 (en) * 2005-09-16 2010-02-02 Eastman Chemical Company Phosphorus containing compounds for reducing acetaldehyde in polyesters polymers
US7932345B2 (en) 2005-09-16 2011-04-26 Grupo Petrotemex, S.A. De C.V. Aluminum containing polyester polymers having low acetaldehyde generation rates
US8431202B2 (en) 2005-09-16 2013-04-30 Grupo Petrotemex, S.A. De C.V. Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity
US9267007B2 (en) * 2005-09-16 2016-02-23 Grupo Petrotemex, S.A. De C.V. Method for addition of additives into a polymer melt
US7838596B2 (en) * 2005-09-16 2010-11-23 Eastman Chemical Company Late addition to effect compositional modifications in condensation polymers
US20070197738A1 (en) * 2006-01-20 2007-08-23 Deepak Ramaraju Process for making polyesters
US20080027207A1 (en) * 2006-07-28 2008-01-31 Jason Christopher Jenkins Non-precipitating alkali/alkaline earth metal and aluminum compositions made with mono-ol ether solvents
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
US7745368B2 (en) * 2006-07-28 2010-06-29 Eastman Chemical Company Non-precipitating alkali/alkaline earth metal and aluminum compositions made with organic hydroxyacids
US8901272B2 (en) * 2007-02-02 2014-12-02 Grupo Petrotemex, S.A. De C.V. Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration
DE102008038410A1 (de) 2007-09-11 2009-03-12 Basf Se Flammgeschützte Polyester
EP2212382B1 (de) * 2007-11-20 2011-05-04 Basf Se Verwendung von thermoplastischen formmassen für gid/wit
DE102008039652A1 (de) 2008-08-26 2010-03-11 Lanxess Deutschland Gmbh Querträgermodul für ein Kraftfahrzeug
DE202008017621U1 (de) 2008-09-24 2010-08-19 Isringhausen Gmbh & Co. Kg Gurtholm für Integralsitze
US9744556B2 (en) 2008-09-29 2017-08-29 Basf Se Method for coating paper
BRPI0920299A2 (pt) 2008-10-13 2016-02-16 Basf Se processo para a produção de pelo menos um monofilamento de um material polimérico termoplástico, e, uso de um monofilamento
EP2379301B1 (de) 2008-12-19 2013-02-20 Basf Se Verfahren zur herstellung eines verbundbauteils durch mehrkomponentenspritzguss, solcher verbundbauteil und verwendung einer mischung zur herstellung des verbundbauteils
WO2010089241A1 (de) 2009-02-04 2010-08-12 Basf Se Schwarze, uv-stabile thermoplastische formmassen
EP2401079B1 (de) 2009-02-26 2013-01-02 Styrolution GmbH Selbstreinigende polymere
PL2435231T3 (pl) 2009-05-26 2014-07-31 Basf Se Woda jako porofor do poliuretanów
WO2011009772A1 (de) 2009-07-23 2011-01-27 Basf Se Bauteil umfassend ein einlegeteil sowie eine kunststoffummantelung sowie verfahren zu seiner herstellung
DE102009034767A1 (de) 2009-07-25 2011-01-27 Lanxess Deutschland Gmbh & Co. Kg Organoblechstrukturbauteil
DE102009052110A1 (de) 2009-11-05 2011-05-12 Faurecia Innenraum Systeme Gmbh Kraftfahrzeug-Frontend
JP5730320B2 (ja) 2009-11-18 2015-06-10 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ インサート部品とプラスチック外被を含む部材並びにその製法
EP2377703A1 (de) 2010-04-15 2011-10-19 LANXESS Deutschland GmbH Türstrukturmodul
EP2377746A1 (de) 2010-04-15 2011-10-19 LANXESS Deutschland GmbH Querträgermodul für ein Kraftfahrzeug
EP2566692A1 (de) 2010-05-05 2013-03-13 Basf Se Bauteil umfassend ein einlegeteil und eine kunststoffummantelung sowie verfahren zu seiner herstellung
EP2571931B1 (de) 2010-05-18 2014-05-14 Basf Se Lasertransparente polyester
US8318843B2 (en) 2010-05-18 2012-11-27 Basf Se Laser-transparent polyesters
CN102939195B (zh) 2010-06-11 2015-12-02 巴斯夫欧洲公司 包含有机添加剂的激光透明性pbt
WO2012013564A1 (de) 2010-07-30 2012-02-02 Basf Se Flammgeschützte formmassen
EP2603549B1 (de) 2010-08-13 2016-12-21 Basf Se Expandierbare granulate auf polyesterbasis
US9249270B2 (en) 2010-08-13 2016-02-02 Basf Se Expandable pelletized materials based on polyester
WO2012022669A2 (de) 2010-08-19 2012-02-23 Basf Se Nanocompositblends mit polyestern
US9296896B2 (en) 2010-11-23 2016-03-29 Basf Se Polyamides with nanoparticles on the surface
JP5795075B2 (ja) 2010-11-23 2015-10-14 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 表面上のナノ粒子を有するポリアミド
DE102011087869A1 (de) 2010-12-08 2012-09-06 Basf Se Lasermarkierbare flammgeschützte Formkörper
KR101968356B1 (ko) 2011-03-07 2019-08-19 바스프 에스이 레이저-투명 폴리에스테르
US8791179B2 (en) 2011-03-07 2014-07-29 Basf Se Laser-transparent polyesters
JP5868434B2 (ja) 2011-03-08 2016-02-24 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 無機塩を有するレーザー透過性のポリエステル
US8618201B2 (en) 2011-03-08 2013-12-31 Basf Se Laser-transparent polyesters with inorganic salts
JP5868435B2 (ja) 2011-03-08 2016-02-24 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ カルボン酸塩を有するレーザー透過性のポリエステル
US9562143B2 (en) * 2011-03-08 2017-02-07 Basf Se Laser-transparent polyesters with carboxylic salts
US8859664B2 (en) 2011-04-20 2014-10-14 Basf Se Laser-transparent polyesters with alkali metal nitrites
CN103619931A (zh) 2011-04-20 2014-03-05 巴斯夫欧洲公司 含有碱金属亚硝酸盐的激光透明聚酯
WO2012163822A1 (de) 2011-06-01 2012-12-06 Basf Se Polyester mit styrolcopolymeren
US8889769B2 (en) 2011-06-27 2014-11-18 Basf Se Weathering-resistant polyester molding compositions with styrene copolymers
CN103619950B (zh) 2011-06-27 2016-01-27 巴斯夫欧洲公司 含有苯乙烯共聚物的耐候聚酯模塑组合物
EP2861665A1 (de) 2012-06-18 2015-04-22 Basf Se Flammgeschützte polyester mit polyacrylnitrilhomopolymerisaten
BR112014031860A2 (pt) 2012-08-20 2017-06-27 Basf Se composição de moldagem termoplástica, uso da mesma, material peletizado reforçado por fibras longas, uso dos mesmos e moldagem
US10128021B2 (en) 2013-03-18 2018-11-13 Basf Se Polyester for profile extrusion and/or pipe extrusion
US10344144B2 (en) 2013-04-25 2019-07-09 Basf Se Stress-crack-resistant, halogen-free, flame-protected polyester
EP2816081A1 (de) 2013-06-17 2014-12-24 Basf Se Polyesterformmassen mit geringer TOC Emission
EP2949703A1 (de) 2014-05-28 2015-12-02 Basf Se Lasertransparente polyester
WO2016087324A1 (de) 2014-12-01 2016-06-09 Basf Se Flammgeschützte polyamide mit sulfonsäuresalzen
RU2587218C1 (ru) * 2015-01-12 2016-06-20 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кабардино-Балкарский государственный университет им. Х.М. Бербекова" (КБГУ) Способ получения сложных полиэфиров для полиуретанов
KR102639038B1 (ko) 2015-07-01 2024-02-20 바스프 에스이 폴리에스테르의 에스테르 교환 반응
US10808120B2 (en) 2015-10-14 2020-10-20 Basf Se Polyester blend having a halogen-free flame protection
MX393333B (es) 2016-09-14 2025-03-11 Basf Se Poliéster para extrusión de perfiles y/o extrusión de tuberías.
JP2020536164A (ja) 2017-10-02 2020-12-10 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 低酸素透過性ポリブチレンテレフタレートから製造された容器
CN108658758B (zh) * 2018-07-18 2021-05-11 南京道港贸易有限公司 对苯二甲酰氯的制备方法、对苯二甲酰氯和应用、对苯二胺的制备方法和对苯二胺
US12516177B2 (en) 2019-03-15 2026-01-06 Envalior Deutschland Gmbh High voltage components
JP7668228B2 (ja) 2019-04-11 2025-04-24 ビーエーエスエフ ソシエタス・ヨーロピア ポリブチレンテレフタレートの熱成形方法
US20220251291A1 (en) 2019-07-29 2022-08-11 Lanxess Deutschland Gmbh Polybutylene Terephthalate With Low THF Content
US20220267590A1 (en) 2019-07-29 2022-08-25 Lanxess Deutschland Gmbh Polybutylene Terephthalate With Low THF Content
KR20220044192A (ko) 2019-07-29 2022-04-06 란세스 도이치란트 게엠베하 낮은 thf 함량을 갖는 폴리부틸렌 테레프탈레이트
EP3792303A1 (de) 2019-09-10 2021-03-17 LANXESS Deutschland GmbH Hochvoltkomponenten
PL4031609T3 (pl) 2019-09-19 2024-02-26 Basf Se Ulepszone właściwości długoterminowe sztywnych pian poliuretanowych o zamkniętych komórkach
EP3868818B1 (de) 2020-02-19 2025-02-19 Envalior Deutschland GmbH Hochvoltkomponenten
WO2021191178A1 (en) 2020-03-23 2021-09-30 Basf Se Container for ingredients for making beverages
US20230150181A1 (en) 2020-04-09 2023-05-18 Basf Coatings Gmbh Molding with structured polysiloxane layer and method for its preparation
PL4146727T3 (pl) 2020-05-06 2024-10-14 Basf Se Mieszanka poliestrów zmniejszających palność
EP3945110A1 (de) 2020-07-30 2022-02-02 Clariant International Ltd Flammschutzmittel-stabilisator-kombinationen für flammwidrige polymere mit verbesserter hydrolysebeständigkeit und deren verwendung
JP2023538841A (ja) 2020-08-07 2023-09-12 ビーエーエスエフ ソシエタス・ヨーロピア 熱可塑性混合物
WO2023088806A1 (de) 2021-11-22 2023-05-25 Basf Se Thermoplastische mischungen
WO2025051460A1 (de) 2023-09-05 2025-03-13 Lanxess Deutschland Gmbh Elektromobilitätskomponenten
DE202024001709U1 (de) 2023-10-25 2024-11-12 Lanxess Deutschland Gmbh Elektromobilitätskomponenten
WO2025233198A1 (en) 2024-05-08 2025-11-13 Basf Se Thermoplastic molding compositions for extrusion with high melt stability
WO2025252781A1 (en) 2024-06-05 2025-12-11 Basf Se Flame retardant polyamides for improved lsr compression set
EP4735526A1 (en) 2024-08-27 2026-05-06 Basf Se Thermoplastic molding compositions for extrusion processes

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO115419B (es) * 1964-06-01 1968-09-30 Monsanto Co
AT307744B (de) * 1968-12-19 1973-06-12 Goodyear Tire & Rubber Verfahren zur Herstellung linearer Polyester
JPS54108898A (en) * 1978-02-15 1979-08-25 Nippon Ester Co Ltd Preparation of polyester having high whiteness
DE3067764D1 (en) * 1979-09-21 1984-06-14 Ici Plc Fast crystallising block copolyester composition
US4436893A (en) * 1982-10-25 1984-03-13 Rohm And Haas Company Copolyester of polyethylene terephthalate and sulfonyl diphenol
BE899785A (fr) * 1983-11-30 1984-09-17 Dart Ind Inc Procede de production de polyesters aromatiques.
JPS61157526A (ja) * 1984-12-28 1986-07-17 Polyplastics Co 高分子量ポリエステルの製造法
DE3532034A1 (de) * 1985-09-09 1987-03-19 Hoechst Ag Verfahren zur herstellung schnellkristallisierender polyestermassen
DE3532033A1 (de) * 1985-09-09 1987-03-19 Hoechst Ag Schnellkristallisierende polyestermassen und verfahren zu deren herstellung
DE3616431A1 (de) * 1986-05-15 1987-11-19 Hoechst Ag Polyesterformmasse und verfahren zu ihrer herstellung
JPH039923A (ja) * 1989-06-08 1991-01-17 Dainippon Ink & Chem Inc ポリエステルポリオールの製造法及びそれを用いたポリウレタンエラストマー
EP0501543B1 (en) * 1991-02-28 1998-05-20 Agfa-Gevaert N.V. Process for the production of polyesters with increased electroconductivity

Also Published As

Publication number Publication date
EP0663416A2 (de) 1995-07-19
CN1129715A (zh) 1996-08-28
CN1061056C (zh) 2001-01-24
US5496887A (en) 1996-03-05
EP0663416B1 (de) 1999-10-27
DE4401055A1 (de) 1995-07-20
EP0663416A3 (de) 1997-10-22

Similar Documents

Publication Publication Date Title
CA2290663A1 (en) Method for producing ester plasticizers
MX9704069A (es) Procedimiento de esterificacion.
DE3265984D1 (en) Process for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for the production of this composition
NZ233851A (en) Ester production by catalytic hydrogenation of corresponding acid or anhydride
FI952044L (fi) Ruuansulatuksessa hajoamattomia kiinteitä polyolipolyestereitä, jotka sisältävät esteröityjä hydroksirasvahappoja, kuten esteröityä risiiniöljyhappoa
ES2129560T3 (es) Procedimiento para la obtencion de poliesteres termoplasticos.
ZA889721B (en) Process for the synthesis of polyol fatty acid polyesters
DE3464617D1 (en) Process for the production of polyesters from dicarboxylic acids and polyalkylpiperidyl diols
AU1950883A (en) Diaryl esters of dicarboxylic acids
CA2145919A1 (en) Process for making polyetherester
EP0269453A3 (en) A process for producing carboxylic acid esters
EP0632011A3 (de) Verfahren zur Herstellung von Alkoxy-carbonsäureestern.
GB1464485A (en) Process for producing polyesters
AU578513B2 (en) Polyester polyol for making polyurethane
ZA849362B (en) Production of carboxylic acids from alcohols
SG46150A1 (en) Process for the production of carboxylic acid anhydrides
DE58907973D1 (de) Verfahren zur Desodorierung von Fettsäureestergemiscchen.
AU575025B2 (en) Diaryl esters of dicarboxylic acids
JPS568431A (en) Production of polyester
JPS57193469A (en) Manufacture of carboxylic acid ester of anhydrohexit
PL273615A1 (en) Method of esterifying with high alcohols the waste carboxylic acids from production of adipic acid
DE3166781D1 (en) Interfacial production of poly(ester carbonate) or polyester including acid chloride synthesis
AU3054184A (en) Production of carboxylic acids from esters of formic acid
DE60027544D1 (de) Katalytische herstellung von thermoplastischen polyestern mit verbesserten optischen eigenschaften
JPS5417949A (en) Stabilized synthetic resin composition

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 663416

Country of ref document: ES