ES2139646T3 - Acido polihidroxido carboxilico y su procedimiento de obtencion. - Google Patents

Acido polihidroxido carboxilico y su procedimiento de obtencion.

Info

Publication number
ES2139646T3
ES2139646T3 ES93900343T ES93900343T ES2139646T3 ES 2139646 T3 ES2139646 T3 ES 2139646T3 ES 93900343 T ES93900343 T ES 93900343T ES 93900343 T ES93900343 T ES 93900343T ES 2139646 T3 ES2139646 T3 ES 2139646T3
Authority
ES
Spain
Prior art keywords
southern
procedure
polyhydroxide
carboxyl
acid
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
ES93900343T
Other languages
English (en)
Inventor
Katashi Enomoto
Masanobu Ajioka
Akihiro Yamaguchi
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Chemicals Inc
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 Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of ES2139646T3 publication Critical patent/ES2139646T3/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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • 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
    • B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

UN PROCEDIMIENTO PARA PRODUCIR UN ACIDO CARBOXILICO POLIHIDROXI, EXCELENTE EN PROPIEDADES Y PROCESABILIDAD MEDIANTE LA CONDENSACION DE UN ACIDO CARBOXILICO HIDROXI O SU OLIGOMERO EN UNA MEZCLA DE REACCION DE UN ACIDO CARBOXILICO HIDROXI O SU OLIGOMERO, CONTENIENDO UN DISOLVENTE ORGANICO EN LA AUSENCIA SUSTANCIAL DE AGUA.
ES93900343T 1991-12-19 1992-12-16 Acido polihidroxido carboxilico y su procedimiento de obtencion. Expired - Lifetime ES2139646T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33682091 1991-12-19
JP15652692 1992-06-16

Publications (1)

Publication Number Publication Date
ES2139646T3 true ES2139646T3 (es) 2000-02-16

Family

ID=26484239

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93900343T Expired - Lifetime ES2139646T3 (es) 1991-12-19 1992-12-16 Acido polihidroxido carboxilico y su procedimiento de obtencion.

Country Status (7)

Country Link
US (1) US5310865A (es)
EP (1) EP0572675B1 (es)
KR (1) KR970007322B1 (es)
DE (1) DE69230032T2 (es)
ES (1) ES2139646T3 (es)
FI (1) FI933471A7 (es)
WO (1) WO1993012160A1 (es)

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641692A1 (de) * 1986-12-06 1988-06-09 Boehringer Ingelheim Kg Katalysatorfreie resorbierbare homopolymere und copolymere
IT1256918B (it) * 1992-08-04 1995-12-27 Mini Ricerca Scient Tecnolog Procedimento per la produzione di poli acido lattico.
US5444143A (en) * 1992-12-25 1995-08-22 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
GB9300554D0 (en) * 1993-01-13 1993-03-03 Zeneca Ltd Film formation
US5401796A (en) * 1993-04-02 1995-03-28 Mitsui Toatsu Chemicals, Inc. Aliphatic polyester and preparation process thereof
US5440008A (en) * 1993-05-28 1995-08-08 Mitsui Toatsu Chemicals, Inc. Process for preparing polyhydroxycarboxylic acid
JP3309502B2 (ja) * 1993-07-12 2002-07-29 大日本インキ化学工業株式会社 生分解性ポリエステル系ポリマーの連続製造法
US5484945A (en) * 1993-08-24 1996-01-16 Mitsui Toatsu Chemicals, Inc. Preparation process of polysuccinimide
US5496923A (en) * 1993-09-20 1996-03-05 Mitsui Toatsu Chemicals, Inc. Purification process of aliphatic polyester
US5714230A (en) * 1993-11-18 1998-02-03 Mitsui Toatsu Chemicals, Inc. Degradable aliphatic polyester formed products
US5543202A (en) * 1994-03-14 1996-08-06 Kimberly-Clark Corporation Process for producing a crimp-bonded fibrous cellulosic laminate
US5646238A (en) * 1994-07-27 1997-07-08 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
JPH08109250A (ja) 1994-10-13 1996-04-30 Mitsui Toatsu Chem Inc ポリヒドロキシカルボン酸の精製方法
US5616681A (en) * 1994-11-01 1997-04-01 Nippon Shokubai Co., Ltd. Process for producing aliphatic polyester
US5770683A (en) * 1994-11-02 1998-06-23 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
US5637631A (en) * 1994-11-17 1997-06-10 Mitsui Toatsu Chemicals, Inc. Preparation process of degradable polymer
US5817728A (en) * 1995-03-16 1998-10-06 Mitsui Chemicals, Inc. Preparation of degradable copolymers
US5847011A (en) * 1995-12-05 1998-12-08 Mitsui Chemicals, Inc. Degradable copolymer and preparation process thereof
US6417294B1 (en) 1995-12-21 2002-07-09 Mitsui Chemicals, Inc. Films and molded articles formed from aliphatic polyester compositions containing nucleating agents
DE19709854A1 (de) * 1996-03-13 1997-10-30 Nishikawa Rubber Co Ltd Verfahren zur Herstellung eines Polyhydroxycarbonsäure-Copolymerharzes
US5914188A (en) * 1996-04-18 1999-06-22 Mitsui Chemicals, Inc. Coated aliphatic polyester film
JP3301311B2 (ja) * 1996-05-24 2002-07-15 株式会社神戸製鋼所 ２−ヒドロキシカルボン酸オリゴマーの連続製造方法
DE69718724T2 (de) * 1996-09-02 2003-11-27 Mitsui Chemicals, Inc. Verfahren zur Herstellung eines alphatischen Polyesters
US5952455A (en) * 1996-10-11 1999-09-14 Kyowa Hakko Kogyo Co., Ltd. Process for producing polyhydroxycarboxylic acid
ATE318580T1 (de) * 1996-12-20 2006-03-15 Alza Corp Gelzusammensetzungen und verfahren
US6111137A (en) * 1996-12-20 2000-08-29 Mitsui Chemicals, Inc. Purification process of lactic acid
DE19740111A1 (de) * 1997-09-12 1999-03-18 Basf Ag Milchsäurepolymerisate
US6608170B1 (en) * 1999-03-31 2003-08-19 Cornell Research Foundation, Inc. Syndiotactic poly(lactic acid)
JP2003501375A (ja) * 1999-06-04 2003-01-14 アルザ・コーポレーション 移植可能なゲル組成物および製造方法
EP1949890A3 (en) 1999-06-04 2011-05-18 ALZA Corporation Implantable gel compositions and method of manufacture
JP4790960B2 (ja) * 2000-03-13 2011-10-12 株式会社 京都医療設計 血管ステント用線材及びこれを用いた血管ステント
US20030211974A1 (en) * 2000-03-21 2003-11-13 Brodbeck Kevin J. Gel composition and methods
WO2002034804A1 (en) * 2000-10-24 2002-05-02 Cornell Research Foundation, Inc. Preparing isotactic stereoblock poly(lactic acid)
KR100880140B1 (ko) * 2001-07-10 2009-01-23 가부시끼가이샤 구레하 폴리히드록시카르복실산 및 이의 제조 방법
EP1298158B1 (en) 2001-09-26 2006-11-15 Kabushiki Kaisha Toshiba Copolymer resin composition and production process thereof
ES2295451T3 (es) * 2001-09-28 2008-04-16 Basf Se Preparacion solida biodegradable de un plaguicida con liberacion retardada de principios activos.
AU2002359407B2 (en) * 2001-11-14 2008-02-28 Durect Corporation Catheter injectable depot compositions and uses thereof
US20070196415A1 (en) * 2002-11-14 2007-08-23 Guohua Chen Depot compositions with multiple drug release rate controls and uses thereof
ATE507816T1 (de) * 2001-11-14 2011-05-15 Durect Corp Injizierbare depotzusammensetzungen und deren verwendung
US6767553B2 (en) 2001-12-18 2004-07-27 Kimberly-Clark Worldwide, Inc. Natural fibers treated with acidic odor control/binder systems
US6852904B2 (en) 2001-12-18 2005-02-08 Kimberly-Clark Worldwide, Inc. Cellulose fibers treated with acidic odor control agents
US20050239182A1 (en) * 2002-05-13 2005-10-27 Isaac Berzin Synthetic and biologically-derived products produced using biomass produced by photobioreactors configured for mitigation of pollutants in flue gases
US8507253B2 (en) * 2002-05-13 2013-08-13 Algae Systems, LLC Photobioreactor cell culture systems, methods for preconditioning photosynthetic organisms, and cultures of photosynthetic organisms produced thereby
EP1367080A1 (en) 2002-05-29 2003-12-03 Hycail B.V. Hyperbranched poly(hydroxycarboxylic acid) polymers
US20040001889A1 (en) 2002-06-25 2004-01-01 Guohua Chen Short duration depot formulations
TWI353854B (en) 2002-06-25 2011-12-11 Alza Corp Short duration depot formulations
WO2004012703A1 (en) * 2002-07-31 2004-02-12 Alza Corporation Injectable depot compositions and uses thereof
CN1684663A (zh) * 2002-07-31 2005-10-19 阿尔萨公司 可注射的多模式聚合物储库组合物以及其用途
US7368126B2 (en) * 2002-11-06 2008-05-06 Guohua Chen Controlled release depot formulations
US20050079202A1 (en) * 2003-05-30 2005-04-14 Guohua Chen Implantable elastomeric depot compositions and uses thereof
US20070184084A1 (en) * 2003-05-30 2007-08-09 Guohua Chen Implantable elastomeric caprolactone depot compositions and uses thereof
NL1023720C2 (nl) * 2003-06-23 2004-12-28 Univ Eindhoven Tech Werkwijze voor het wijzigen van de transporteigenschappen van een materiaal, werkwijze voor het vrijmaken van een werkstof uit een implantaat, evenals implantaat met werkstof.
US20050106214A1 (en) * 2003-11-14 2005-05-19 Guohua Chen Excipients in drug delivery vehicles
US7507561B2 (en) * 2004-05-20 2009-03-24 Reliance Life Sciences Pvt. Ltd. Process for the production of polylactic acid (PLA) from renewable feedstocks
EP1969940A3 (en) 2004-12-17 2008-12-10 Devgen NV Nematicidal compositions
US20060142234A1 (en) * 2004-12-23 2006-06-29 Guohua Chen Injectable non-aqueous suspension
GB2422839B (en) * 2005-01-11 2009-06-24 Schlumberger Holdings Degradable polymers for wellbore fluids and processes
US20080090480A1 (en) * 2005-01-18 2008-04-17 Toho Chemical Industry Co., Ltd. Biodegradable Polyester Resin Composition
US20090286927A1 (en) * 2005-06-27 2009-11-19 Niels Dan Anders Sodergard Hyperbranched Polymers
BRPI0520573A2 (pt) * 2005-09-28 2009-05-19 Tate & Lyle Plc processo para a preparação de ácido polilático
CA2637569C (en) * 2006-01-18 2013-01-08 Yuhua Li Pharmaceutical compositions with enhanced stability
US8110395B2 (en) 2006-07-10 2012-02-07 Algae Systems, LLC Photobioreactor systems and methods for treating CO2-enriched gas and producing biomass
WO2008105662A1 (en) * 2007-03-01 2008-09-04 Bioneedle Technologies Group B.V. Biodegradable material based on opened starch
US8486439B2 (en) * 2007-03-01 2013-07-16 Bioneedle Technologies Group B.V. Parenteral formulation
AP2009005054A0 (en) 2007-04-27 2009-12-31 Greenfuel Technologies Corp Photobioreactor systems positioned on bodies of water
US20090105097A1 (en) * 2007-10-22 2009-04-23 Carlos Abad Degradable Friction Reducer
CN102037078B (zh) 2008-05-27 2013-09-04 帝人化成株式会社 阻燃性树脂组合物以及由其制成的成形品
US8545971B2 (en) * 2008-06-30 2013-10-01 Fina Technology, Inc. Polymeric compositions comprising polylactic acid and methods of making and using same
US8759446B2 (en) * 2008-06-30 2014-06-24 Fina Technology, Inc. Compatibilized polypropylene and polylactic acid blends and methods of making and using same
US8268913B2 (en) * 2008-06-30 2012-09-18 Fina Technology, Inc. Polymeric blends and methods of using same
US8796383B2 (en) 2008-06-30 2014-08-05 Fina Technology, Inc. Polypropylene and polylactic acid formulations for heat seal applications
JP5622717B2 (ja) 2009-02-19 2014-11-12 帝人株式会社 難燃性樹脂組成物およびそれからの成形品
CN102449065B (zh) 2009-05-26 2014-03-05 帝人化成株式会社 阻燃性树脂组合物及用它制成的成型品
US20110028622A1 (en) 2009-07-28 2011-02-03 E. I. Du Pont De Nemours And Company Poly(hydroxyalkanoic acid) blown film
US8349955B2 (en) 2009-09-24 2013-01-08 E I Du Pont De Nemours And Company Poly(hydroxyalkanoic acid) plasticized with poly(trimethylene ether) glycol
JP5493991B2 (ja) * 2010-02-24 2014-05-14 富士ゼロックス株式会社 ポリ乳酸系樹脂組成物、ポリ乳酸系樹脂組成物の製造方法及びポリ乳酸系樹脂成形体
JP5493999B2 (ja) * 2010-02-25 2014-05-14 富士ゼロックス株式会社 ポリ乳酸系樹脂組成物、ポリ乳酸系樹脂組成物の製造方法及びポリ乳酸系樹脂成形体
CA2791220A1 (en) 2010-03-24 2011-09-29 Basf Se Process for producing aqueous dispersions of thermoplastic polyesters
US8604101B2 (en) * 2010-03-24 2013-12-10 Basf Se Process for producing aqueous dispersions of thermoplastic polyesters
US9206296B2 (en) 2010-05-18 2015-12-08 Jsp Corporation Polylactic resin expanded beads and molded article of the expanded beads
FR2965814B1 (fr) 2010-10-08 2012-11-16 Roquette Freres Plastification de polyesters aliphatiques par des esters alkyliques de dianhydrohexitols
KR20130125359A (ko) 2010-10-27 2013-11-18 데이진 가부시키가이샤 난연성 수지 조성물 및 그것으로부터의 성형품
US9023470B2 (en) 2010-12-21 2015-05-05 Jsp Corporation Polylactic acid resin expanded beads and molded article of polylactic acid resin expanded beads
US8586192B2 (en) 2011-02-15 2013-11-19 Fina Technology, Inc. Compatibilized polymeric compositions comprising polyolefin-polylactic acid copolymers and methods of making the same
US8628718B2 (en) 2011-02-18 2014-01-14 Fina Technology, Inc. Modified polylactic acid, polymeric blends and methods of making the same
CA2849663A1 (en) 2011-09-23 2013-03-28 Basf Se Use of an aqueous dispersion of biodegradable polyesters
US20140235741A1 (en) 2011-09-28 2014-08-21 Jsp Corporation Polylactic acid-based resin expanded beads and molded article thereof
US20140336289A1 (en) 2011-10-18 2014-11-13 Jsp Corporation Process for producing polylactic acid-based resin expanded beads
WO2013184014A1 (en) 2012-06-06 2013-12-12 Universidade De Coimbra Process for preparing high molecular weight poly(lactic acid) by melt polycondensation
EP2732832A3 (en) 2012-11-14 2015-07-01 Universitair Medisch Centrum Groningen (UMCG) Drug delivery device comprising an active compound and a thermo-sensitive polymeric material
CN103300120B (zh) * 2013-06-25 2015-04-22 南京工业大学 一种绿色家禽家畜脱毛剂及其制备方法
WO2015088990A1 (en) 2013-12-09 2015-06-18 Durect Corporation Pharmaceutically active agent complexes, polymer complexes, and compositions and methods involving the same
US9249268B2 (en) 2014-06-13 2016-02-02 Fina Technology, Inc. Polymeric blends and articles made therefrom
US20160106804A1 (en) 2014-10-15 2016-04-21 Yuhua Li Pharmaceutical composition with improved stability
WO2016140647A1 (en) 2015-03-02 2016-09-09 Fina Technology, Inc. Composites of polyethylene and polylactic acid
WO2017171260A1 (ko) * 2016-03-28 2017-10-05 주식회사 엘지화학 액상의 바이오폴리머, 이의 용도 및 제조방법
CN109310680B (zh) 2016-06-30 2022-11-01 度瑞公司 长效配制物
US10682340B2 (en) 2016-06-30 2020-06-16 Durect Corporation Depot formulations
EA201990127A1 (ru) 2016-12-30 2020-08-18 Дьюрект Корпорейшн Депо-препарат
TR201702016A2 (tr) 2017-02-10 2018-08-27 Tuerkiye Bilimsel Ve Teknolojik Arastirma Kurumu Tuebitak Düşük mali̇yetli̇ yüksek moleküler ağirlikli ve yüksek çözünürlüğe sahi̇p poli̇gli̇koli̇k asi̇t sentezi̇
JP6577068B2 (ja) * 2018-01-30 2019-09-18 ダイセルバリューコーティング株式会社 ガスバリア性フィルム及びその製造方法
FR3087107A1 (fr) 2018-10-15 2020-04-17 Avent Inc. Compositions, systèmes, kits et méthodes d'ablation neurale
WO2021146215A1 (en) 2020-01-13 2021-07-22 Durect Corporation Sustained release drug delivery systems with reduced impurities and related methods
JP6881647B1 (ja) 2020-04-17 2021-06-02 東洋インキＳｃホールディングス株式会社 粘着剤組成物および粘着シート
CA3203561A1 (en) 2021-01-12 2022-07-21 Adrian Neil Verity Sustained release drug delivery systems and related methods
CN113698583A (zh) * 2021-09-08 2021-11-26 刘青 一种直接合成高分子量聚乳酸的方法
CN114621179B (zh) * 2022-03-17 2024-03-26 中国神华煤制油化工有限公司 乙交酯的合成方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2174491A (en) * 1938-06-28 1939-09-26 Paul D Watson Method of making lactic acid resinous products
US2396994A (en) * 1944-01-18 1946-03-19 Nasa Condensation products of hydroxy carboxylic acids
US2703316A (en) * 1951-06-05 1955-03-01 Du Pont Polymers of high melting lactide
US2758987A (en) * 1952-06-05 1956-08-14 Du Pont Optically active homopolymers containing but one antipodal species of an alpha-monohydroxy monocarboxylic acid
GB1325927A (en) * 1970-06-16 1973-08-08 Ici Ltd Condensation polymers
US4273920A (en) * 1979-09-12 1981-06-16 Eli Lilly And Company Polymerization process and product
JPS5996123A (ja) * 1982-11-25 1984-06-02 Showa Highpolymer Co Ltd 高分子量ポリラクタイドの製造方法
US5180765A (en) * 1988-08-08 1993-01-19 Biopak Technology, Ltd. Biodegradable packaging thermoplastics from lactides
US5206341A (en) * 1991-11-21 1993-04-27 Southern Research Institute Polymers from hydroxy acids and polycarboxylic acids

Also Published As

Publication number Publication date
FI933471A0 (fi) 1993-08-05
DE69230032T2 (de) 2000-02-03
US5310865A (en) 1994-05-10
EP0572675A1 (en) 1993-12-08
DE69230032D1 (de) 1999-10-28
EP0572675A4 (en) 1994-05-18
WO1993012160A1 (fr) 1993-06-24
KR970007322B1 (ko) 1997-05-07
FI933471L (fi) 1993-08-05
KR930703374A (ko) 1993-11-29
EP0572675B1 (en) 1999-09-22
FI933471A7 (fi) 1993-08-05

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