ES2104620T3 - Procedimiento para la preparacion de poliesteres a partir de acidos hidroxicarboxilicos. - Google Patents
Procedimiento para la preparacion de poliesteres a partir de acidos hidroxicarboxilicos.Info
- Publication number
- ES2104620T3 ES2104620T3 ES91102413T ES91102413T ES2104620T3 ES 2104620 T3 ES2104620 T3 ES 2104620T3 ES 91102413 T ES91102413 T ES 91102413T ES 91102413 T ES91102413 T ES 91102413T ES 2104620 T3 ES2104620 T3 ES 2104620T3
- Authority
- ES
- Spain
- Prior art keywords
- opt
- pref
- substd
- hal
- oligomers
- 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
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
- C08G63/87—Non-metals or inter-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
- C08G63/02—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
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
EL PRESENTE DESCUBRIMIENTO CONSISTE EN UN PROCESO PARA LA FABRICACION DE POLIESTER SOBRE LA BASE DE ACIDO HIDROXICARBONICO, ESPECIALMENTE SOBRE LA BASE DE ALFA-ACIDO HIDROXICARBONICO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4005415A DE4005415C2 (de) | 1990-02-21 | 1990-02-21 | Verfahren zum Herstellen von Polyestern auf der Basis von Hydroxycarbonsäuren |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2104620T3 true ES2104620T3 (es) | 1997-10-16 |
Family
ID=6400637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91102413T Expired - Lifetime ES2104620T3 (es) | 1990-02-21 | 1991-02-20 | Procedimiento para la preparacion de poliesteres a partir de acidos hidroxicarboxilicos. |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP0729992A3 (es) |
JP (1) | JP3035716B2 (es) |
AT (1) | ATE154047T1 (es) |
DE (2) | DE4005415C2 (es) |
DK (1) | DK0443542T3 (es) |
ES (1) | ES2104620T3 (es) |
GR (1) | GR3024284T3 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5444143A (en) * | 1992-12-25 | 1995-08-22 | Mitsui Toatsu Chemicals, Inc. | Preparation process of polyhydroxycarboxylic acid |
US5543202A (en) * | 1994-03-14 | 1996-08-06 | Kimberly-Clark Corporation | Process for producing a crimp-bonded fibrous cellulosic laminate |
US5770683A (en) * | 1994-11-02 | 1998-06-23 | Mitsui Toatsu Chemicals, Inc. | Preparation process of polyhydroxycarboxylic acid |
JPH0959218A (ja) * | 1995-08-25 | 1997-03-04 | Shimadzu Corp | L−乳酸オリゴマー誘導体 |
US5719256A (en) * | 1995-10-19 | 1998-02-17 | Mitsu Toatsu Chemicals, Inc. | Process for preparing polycondensation polymer compound |
AP665A (en) * | 1996-01-24 | 1998-08-19 | United States Governmnet Represented By The Secretary Of The Army | Novel "burst free" sustained release poly-(lactide/glycolide microspheres). |
WO2003095519A1 (fr) * | 2002-05-08 | 2003-11-20 | Japan Science And Technology Corporation | Nouveau polyester comprenant un groupe a conjugaison $g(p) dans la chaine laterale et un materiau de transport de charge utilisant celui-ci |
EP1382628A1 (en) * | 2002-07-16 | 2004-01-21 | Polyganics B.V. | Biodegradable phase separated segmented/block co-polyesters |
JP2004359582A (ja) * | 2003-06-03 | 2004-12-24 | Tendou Seiyaku Kk | 環状乳酸オリゴマー2倍量体の製造方法 |
JP4621885B2 (ja) * | 2004-05-07 | 2011-01-26 | 独立行政法人物質・材料研究機構 | ポリリンゴ酸共重合体の製造方法 |
JP2008291268A (ja) * | 2008-07-07 | 2008-12-04 | Toray Ind Inc | ポリ乳酸ブロック共重合体の製造方法 |
KR101027163B1 (ko) * | 2009-12-18 | 2011-04-05 | 주식회사 엘지화학 | 폴리락타이드 수지, 이의 제조 방법 및 이를 포함하는 폴리락타이드 수지 조성물 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE344034C (es) * | ||||
DE1495626B1 (de) * | 1960-03-30 | 1971-06-09 | Bayer Ag | Verfahren zum herstellen von polyestern |
US4273920A (en) * | 1979-09-12 | 1981-06-16 | Eli Lilly And Company | Polymerization process and product |
US4438253A (en) * | 1982-11-12 | 1984-03-20 | American Cyanamid Company | Poly(glycolic acid)/poly(alkylene glycol) block copolymers and method of manufacturing the same |
JPS60229919A (ja) * | 1984-04-27 | 1985-11-15 | Mitsubishi Chem Ind Ltd | ポリエステル、ポリエステルアミドおよびポリアミドの製造法 |
CA1236641A (en) * | 1984-07-06 | 1988-05-10 | Motoaki Tanaka | Copolymer of lactic acid and glycolic acid and method for producing same |
US4622413A (en) * | 1984-08-31 | 1986-11-11 | Ppg Industries, Inc. | Method for preparing amino acid ester hydrohalides |
JPH01167329A (ja) * | 1987-12-23 | 1989-07-03 | Idemitsu Kosan Co Ltd | ポリエステル、ポリエステルアミドまたはポリアミドの製造法 |
US4877871A (en) * | 1988-06-14 | 1989-10-31 | Nabisco Brands, Inc. | Synthesis of sucrose polyester |
-
1990
- 1990-02-21 DE DE4005415A patent/DE4005415C2/de not_active Expired - Fee Related
-
1991
- 1991-02-20 DK DK91102413.1T patent/DK0443542T3/da active
- 1991-02-20 EP EP96106159A patent/EP0729992A3/de not_active Withdrawn
- 1991-02-20 ES ES91102413T patent/ES2104620T3/es not_active Expired - Lifetime
- 1991-02-20 DE DE59108729T patent/DE59108729D1/de not_active Expired - Fee Related
- 1991-02-20 EP EP91102413A patent/EP0443542B1/de not_active Expired - Lifetime
- 1991-02-20 AT AT91102413T patent/ATE154047T1/de not_active IP Right Cessation
- 1991-02-20 JP JP3049080A patent/JP3035716B2/ja not_active Expired - Fee Related
-
1997
- 1997-07-30 GR GR970401933T patent/GR3024284T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0729992A2 (de) | 1996-09-04 |
DE4005415C2 (de) | 1996-04-11 |
ATE154047T1 (de) | 1997-06-15 |
EP0729992A3 (de) | 1997-01-15 |
DE59108729D1 (de) | 1997-07-10 |
GR3024284T3 (en) | 1997-10-31 |
JP3035716B2 (ja) | 2000-04-24 |
JPH04216822A (ja) | 1992-08-06 |
DK0443542T3 (da) | 1997-06-23 |
EP0443542A2 (de) | 1991-08-28 |
DE4005415A1 (de) | 1991-08-22 |
EP0443542A3 (en) | 1992-10-07 |
EP0443542B1 (de) | 1997-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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