JP3140791B2 - 脂肪族エステル重合体組成物を製造する塊状反応押出し重合法 - Google Patents
脂肪族エステル重合体組成物を製造する塊状反応押出し重合法Info
- Publication number
- JP3140791B2 JP3140791B2 JP09538960A JP53896097A JP3140791B2 JP 3140791 B2 JP3140791 B2 JP 3140791B2 JP 09538960 A JP09538960 A JP 09538960A JP 53896097 A JP53896097 A JP 53896097A JP 3140791 B2 JP3140791 B2 JP 3140791B2
- Authority
- JP
- Japan
- Prior art keywords
- starch
- group
- ester component
- cycloaliphatic
- aliphatic polyester
- 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 - Fee Related
Links
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- 239000000178 monomer Substances 0.000 claims description 83
- 238000000034 method Methods 0.000 claims description 73
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- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical group O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 claims description 37
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- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical group [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 claims description 15
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
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- 239000005977 Ethylene Substances 0.000 description 3
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 3
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- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- WVJVHUWVQNLPCR-UHFFFAOYSA-N octadecanoyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC(=O)CCCCCCCCCCCCCCCCC WVJVHUWVQNLPCR-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- UQGPCEVQKLOLLM-UHFFFAOYSA-N pentaneperoxoic acid Chemical compound CCCCC(=O)OO UQGPCEVQKLOLLM-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 239000002954 polymerization reaction product Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 150000003458 sulfonic acid derivatives Chemical class 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
- C08G63/08—Lactones or lactides
-
- 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
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/26—Natural polymers, natural resins or derivatives thereof according to C08L1/00 - C08L5/00, C08L89/00, C08L93/00, C08L97/00 or C08L99/00
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)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US639,198 | 1996-04-26 | ||
| US08/639,198 US5801224A (en) | 1996-04-26 | 1996-04-26 | Bulk reactive extrusion polymerization process producing aliphatic ester polymer compositions |
| PCT/US1997/006440 WO1997041165A1 (en) | 1996-04-26 | 1997-04-18 | Bulk reactive extrusion polymerization process producing aliphatic ester polymer compositions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11510549A JPH11510549A (ja) | 1999-09-14 |
| JP3140791B2 true JP3140791B2 (ja) | 2001-03-05 |
Family
ID=24563127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09538960A Expired - Fee Related JP3140791B2 (ja) | 1996-04-26 | 1997-04-18 | 脂肪族エステル重合体組成物を製造する塊状反応押出し重合法 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US5801224A (enExample) |
| EP (1) | EP0895518A1 (enExample) |
| JP (1) | JP3140791B2 (enExample) |
| KR (1) | KR100316615B1 (enExample) |
| WO (1) | WO1997041165A1 (enExample) |
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| BE1011157A3 (fr) * | 1997-05-16 | 1999-05-04 | Solvay | Procede de fabrication d'un film souffle biodegradable. |
| EP0882751A3 (en) * | 1997-06-03 | 1999-02-10 | KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. | Biodegradable polyester with improved moulding characteristics and its production |
| BE1012801A3 (fr) * | 1999-07-27 | 2001-03-06 | Solvay | Procede d'introduction d'au moins un compose chimique dans une extrudeuse, dispositif d'introduction, extrudeuse equipee d'un tel dispositif et procedes utilisant une telle extrudeuse. |
| US6376643B1 (en) * | 2000-11-08 | 2002-04-23 | Invigor Biotechnology Co., Ltd. | Method of polymerization of lactide and polylactide homopolymer thereof |
| US6747096B2 (en) | 2001-04-10 | 2004-06-08 | University Of Akron | Block copolymers of lactone and lactam, compatibilizing agents, and compatiblized polymer blends |
| US6486257B1 (en) | 2001-04-10 | 2002-11-26 | University Of Akron | Block copolymers of lactone and lactam, compatabilizing agents, and compatibilized polymer blends |
| US7132423B2 (en) * | 2001-09-21 | 2006-11-07 | Reddy Us Therapeutics, Inc. | Methods and compositions of novel triazine compounds |
| US7173032B2 (en) * | 2001-09-21 | 2007-02-06 | Reddy Us Therapeutics, Inc. | Methods and compositions of novel triazine compounds |
| US7169785B2 (en) * | 2001-09-21 | 2007-01-30 | Reddy Us Therapeutics, Inc. | Methods and compositions of novel triazine compounds |
| US7112587B2 (en) * | 2001-09-21 | 2006-09-26 | Reddy Us Therapeutics, Inc. | Methods and compositions of novel triazine compounds |
| WO2003050153A1 (en) * | 2001-12-12 | 2003-06-19 | North Carolina State University | Methods of co2-assisted reactive extrusion |
| US20040173779A1 (en) * | 2002-01-22 | 2004-09-09 | Gencer Mehmet A. | Biodegradable shaped article containing a corrosion inhibitor and inert filler particles |
| US7270775B2 (en) * | 2002-01-22 | 2007-09-18 | Northern Technologies International Corp. | Corrosion inhibiting composition and article containing it |
| US20030220436A1 (en) * | 2002-01-22 | 2003-11-27 | Gencer Mehmet A. | Biodegradable polymers containing one or more inhibitors and methods for producing same |
| US7261839B2 (en) * | 2002-01-22 | 2007-08-28 | Northern Technologies International Corp. | Tarnish inhibiting composition and article containing it |
| US8008373B2 (en) * | 2002-01-22 | 2011-08-30 | Northern Technologies International Corp. | Biodegradable polymer masterbatch, and a composition derived therefrom having improved physical properties |
| AR038816A1 (es) * | 2002-02-07 | 2005-01-26 | Baylor College Medicine | Desarrollo modificado de la glandula pituitaria en la progenie de las hembras prenadas tratadas con terapia con la hormona liberadora de la hormona de crecimiento |
| US7053029B2 (en) * | 2002-03-27 | 2006-05-30 | Kimberly-Clark Worldwide, Inc. | Use indicating soap |
| US20050020945A1 (en) * | 2002-07-02 | 2005-01-27 | Tosaya Carol A. | Acoustically-aided cerebrospinal-fluid manipulation for neurodegenerative disease therapy |
| US7960326B2 (en) * | 2002-09-05 | 2011-06-14 | Kimberly-Clark Worldwide, Inc. | Extruded cleansing product |
| EP1684679B1 (en) * | 2003-10-21 | 2009-06-03 | Hollister Incorporated | Peelable and flushable ostomy pouch and method of use |
| US7179245B2 (en) * | 2003-10-21 | 2007-02-20 | Hollister Incorporated | Flushable body waste collection pouch, pouch-in-pouch appliance using the same, and method relating thereto |
| BRPI0514166A (pt) | 2004-08-09 | 2008-06-03 | Univ Michigan State | processo aperfeiçoado para formação de um copolìmero de poli (1, 4-dioxan-2-ona) com um monÈmero de éster cìclico, processo para formação de um copolìmero de poli (1, 4-dioxan-2-ona) e um monÈmer de éster cìclico, processo para formação de um copolìmero de poli (1, 4-dioxan-2-ona) e um éster cìclico misturado com ingredientes adicionais, copolìmero de poli (1, 4-dioxan-2-ona) anidra, e copolìmero de poli (1, 4-dioxan-2-ona) com um monÈmero de éster cìclico |
| US7553919B2 (en) * | 2005-05-06 | 2009-06-30 | Board Of Trustees Of Michigan State University | Starch-vegetable oil graft copolymers and their biofiber composites, and a process for their manufacture |
| US7592413B2 (en) * | 2005-09-22 | 2009-09-22 | E. I. Du Pont De Nemours And Company | Manufacture of aromatic polyester |
| US20080039540A1 (en) * | 2005-12-28 | 2008-02-14 | Reitz Robert R | Process for recycling polyesters |
| JP2009524706A (ja) * | 2006-01-24 | 2009-07-02 | インターテープ ポリマー コーポレーション | 遊星ローラー押出機における連続バルク重合 |
| US7906598B2 (en) * | 2006-08-30 | 2011-03-15 | Intertape Polymer Corp. | Recirculation loop reactor bulk polymerization process |
| US20100105847A1 (en) | 2006-01-24 | 2010-04-29 | Intertape Polymer Corp. | Plug flow bulk polymerization of vinyl monomers |
| US7591974B2 (en) * | 2006-01-25 | 2009-09-22 | Absorbent Technologies, Inc. | Methods for producing superabsorbent polymers for use in agricultural applications |
| US20070203261A1 (en) * | 2006-02-24 | 2007-08-30 | Board Of Trustees Of Michigan State University | Reactively blended polyester and filler composite compositions and process |
| JP5933889B2 (ja) * | 2006-03-21 | 2016-06-15 | ザ・ガバナーズ・オブ・ザ・ユニバーシティー・オブ・アルバータ | 新規なポリ（エチレンオキサイド）−ブロックーポリ（エステル）ブロック共重合体 |
| US8110678B2 (en) * | 2006-05-11 | 2012-02-07 | University Of South Florida | Antibiotic-bound poly(caprolactone) polymer |
| ES2286945B1 (es) * | 2006-05-23 | 2008-09-16 | Quinorgan, S.L. | Procedimiento de fabricacion para la obtencion de laminas termoconformables y termoadherentes para la industria del calzado. |
| KR101311060B1 (ko) | 2006-07-14 | 2013-09-24 | 킴벌리-클라크 월드와이드, 인크. | 부직 웹에 사용하기 위한 생분해성 지방족-방향족코폴리에스테르 |
| US9091004B2 (en) | 2006-07-14 | 2015-07-28 | Kimberly-Clark Worldwide, Inc. | Biodegradable polylactic acid for use in nonwoven webs |
| MX2009000525A (es) | 2006-07-14 | 2009-01-27 | Kimberly Clark Co | Poliester alifatico biodegradable para usarse en telas no tejidas. |
| EP2057197B1 (en) * | 2006-08-30 | 2011-07-20 | Intertape Polymer Corp. | Recirculation loop reactor bulk polymerization process |
| ATE506472T1 (de) | 2007-08-22 | 2011-05-15 | Kimberly Clark Co | Mehrkomponentige biologisch abbaubare filamente und daraus gebildete vliesstoffe |
| WO2009145778A1 (en) | 2008-05-30 | 2009-12-03 | Kimberly-Clark Worldwide, Inc. | Polylactic acid fibers |
| FI125448B (fi) | 2009-03-11 | 2015-10-15 | Onbone Oy | Uudet materiaalit |
| US8461262B2 (en) | 2010-12-07 | 2013-06-11 | Kimberly-Clark Worldwide, Inc. | Polylactic acid fibers |
| WO2012175338A1 (fr) * | 2011-06-23 | 2012-12-27 | Agc Glass Europe | Materiau polymere a base de poly(acide lactique) |
| CN102321249B (zh) * | 2011-06-30 | 2013-01-16 | 无锡碧杰生物材料科技有限公司 | 一种热塑性淀粉和生物降解聚酯/淀粉复合材料及其制备 |
| CO6350195A1 (es) * | 2011-09-23 | 2011-12-20 | Univ Del Cauca | Peliculas y empaques biodegradables obtenidos a partir de almidon de yuca y proceso de fabricacion de los mismos |
| JP2015232113A (ja) * | 2014-05-13 | 2015-12-24 | 株式会社リコー | 脂肪族ポリエステル、脂肪族ポリエステルの製造方法、及びポリマー成形体 |
| US10428189B2 (en) | 2014-07-18 | 2019-10-01 | Chroma Color Corporation | Process and composition for well dispersed, highly loaded color masterbatch |
| US9969881B2 (en) | 2014-07-18 | 2018-05-15 | Carolina Color Corporation | Process and composition for well-dispersed, highly loaded color masterbatch |
| CN107108864A (zh) * | 2015-03-30 | 2017-08-29 | 株式会社吴羽 | 脂肪族聚酯组合物及成型物以及脂肪族聚酯的制造方法 |
| KR101637994B1 (ko) * | 2016-01-18 | 2016-07-08 | 주식회사 수연 | 방향족/지방족 코폴리에스테르 수지 조성물 |
| WO2019217641A1 (en) | 2018-05-11 | 2019-11-14 | Carbon, Inc. | Sustainable chemistry systems for recyclable dental models and other additively manufactured products |
| EP3814408B1 (en) * | 2018-06-28 | 2024-07-24 | Fedchem, LLC | Aluminum organic thickeners for thermoset resins |
| US10745552B2 (en) | 2018-06-28 | 2020-08-18 | Fedchem, Llc | Aluminum organic thickeners for thermoset resins |
| JP7676023B2 (ja) | 2018-07-13 | 2025-05-14 | ノボマー， インコーポレイテッド | ポリラクトン発泡体及びその製造方法 |
| TWI760875B (zh) | 2020-10-05 | 2022-04-11 | 財團法人工業技術研究院 | 共聚物與其形成方法 |
| CN115232292B (zh) * | 2021-04-22 | 2025-03-04 | 中国石油化工股份有限公司 | 一种聚乙醇酸的制备方法和得到的聚乙醇酸 |
| CN114230773B (zh) * | 2022-01-17 | 2023-08-29 | 美瑞新材料创新中心(山东)有限公司 | 一种利用双螺杆反应器制备聚己内酯树脂的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468837A (en) | 1993-05-17 | 1995-11-21 | Solvay (Societe Anonyme) | Process for the manufacture of poly-epsilon-caprolactones and poly-epsilon-caprolactones which have high molecular masses obtainable by this process |
| US5500465A (en) | 1994-03-10 | 1996-03-19 | Board Of Trustees Operating Michigan State University | Biodegradable multi-component polymeric materials based on unmodified starch-like polysaccharides |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4469613A (en) * | 1983-02-23 | 1984-09-04 | International Flavors & Fragrances Inc. | Detergent bar containing poly(epsilon caprolactone) and aromatizing agent |
| NL9001641A (nl) * | 1990-07-19 | 1992-02-17 | Stamicarbon | Werkwijze voor het maken van polymere producten van cyclische esters. |
| US5412005A (en) * | 1991-05-03 | 1995-05-02 | Novamont S.P.A. | Biodegradable polymeric compositions based on starch and thermoplastic polymers |
| EP0525245A1 (en) * | 1991-08-01 | 1993-02-03 | NOVAMONT S.p.A. | Disposable absorbent articles |
| US5310599A (en) * | 1993-05-06 | 1994-05-10 | E. I. Du Pont De Nemours And Company | Method for making polymers of alpha-hydroxy acids |
| BE1009255A3 (fr) * | 1995-04-07 | 1997-01-07 | Solvay | Procede perfectionne pour la fabrication en continu de poly- -caprolactones. |
-
1996
- 1996-04-26 US US08/639,198 patent/US5801224A/en not_active Expired - Fee Related
-
1997
- 1997-04-18 WO PCT/US1997/006440 patent/WO1997041165A1/en not_active Ceased
- 1997-04-18 KR KR1019980708567A patent/KR100316615B1/ko not_active Expired - Fee Related
- 1997-04-18 JP JP09538960A patent/JP3140791B2/ja not_active Expired - Fee Related
- 1997-04-18 EP EP97918709A patent/EP0895518A1/en not_active Withdrawn
- 1997-09-08 US US08/925,528 patent/US5906783A/en not_active Expired - Lifetime
- 1997-09-08 US US08/925,529 patent/US5969089A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468837A (en) | 1993-05-17 | 1995-11-21 | Solvay (Societe Anonyme) | Process for the manufacture of poly-epsilon-caprolactones and poly-epsilon-caprolactones which have high molecular masses obtainable by this process |
| US5500465A (en) | 1994-03-10 | 1996-03-19 | Board Of Trustees Operating Michigan State University | Biodegradable multi-component polymeric materials based on unmodified starch-like polysaccharides |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997041165A1 (en) | 1997-11-06 |
| KR100316615B1 (ko) | 2002-02-28 |
| JPH11510549A (ja) | 1999-09-14 |
| EP0895518A4 (enExample) | 1999-03-10 |
| EP0895518A1 (en) | 1999-02-10 |
| US5906783A (en) | 1999-05-25 |
| KR20000065023A (ko) | 2000-11-06 |
| US5969089A (en) | 1999-10-19 |
| US5801224A (en) | 1998-09-01 |
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