RU2451695C2 - Стабильные частицы лактида - Google Patents
Стабильные частицы лактида Download PDFInfo
- Publication number
- RU2451695C2 RU2451695C2 RU2009118566/04A RU2009118566A RU2451695C2 RU 2451695 C2 RU2451695 C2 RU 2451695C2 RU 2009118566/04 A RU2009118566/04 A RU 2009118566/04A RU 2009118566 A RU2009118566 A RU 2009118566A RU 2451695 C2 RU2451695 C2 RU 2451695C2
- Authority
- RU
- Russia
- Prior art keywords
- lactide
- particles
- meq
- molding
- less
- Prior art date
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- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 239000002245 particle Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 60
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 35
- 239000004626 polylactic acid Substances 0.000 claims abstract description 30
- 238000000465 moulding Methods 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000005469 granulation Methods 0.000 claims abstract description 3
- 230000003179 granulation Effects 0.000 claims abstract description 3
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 20
- 239000004310 lactic acid Substances 0.000 claims description 17
- 235000014655 lactic acid Nutrition 0.000 claims description 17
- 239000007937 lozenge Substances 0.000 claims description 16
- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000003826 tablet Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims 1
- 239000007858 starting material Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 description 14
- 239000003963 antioxidant agent Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 11
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- -1 alkylidene bisphenols Chemical class 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 229930182843 D-Lactic acid Natural products 0.000 description 4
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229940022769 d- lactic acid Drugs 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000007363 ring formation reaction Methods 0.000 description 4
- MNKRTDOUBUSQHX-UHFFFAOYSA-N 2,4-dihydroxy-2-methyl-3-oxopentanoic acid Chemical compound CC(O)C(=O)C(C)(O)C(O)=O MNKRTDOUBUSQHX-UHFFFAOYSA-N 0.000 description 3
- UOBWAODYTSELAE-UHFFFAOYSA-N 3-amino-2-phenylphenol Chemical class NC1=CC=CC(O)=C1C1=CC=CC=C1 UOBWAODYTSELAE-UHFFFAOYSA-N 0.000 description 3
- 229920002988 biodegradable polymer Polymers 0.000 description 3
- 239000004621 biodegradable polymer Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000006340 racemization Effects 0.000 description 3
- BDNKZNFMNDZQMI-UHFFFAOYSA-N 1,3-diisopropylcarbodiimide Chemical compound CC(C)N=C=NC(C)C BDNKZNFMNDZQMI-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012691 depolymerization reaction Methods 0.000 description 2
- BGRWYRAHAFMIBJ-UHFFFAOYSA-N diisopropylcarbodiimide Natural products CC(C)NC(=O)NC(C)C BGRWYRAHAFMIBJ-UHFFFAOYSA-N 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 150000003903 lactic acid esters Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- 239000012254 powdered material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003254 radicals Chemical group 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical compound [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- JJTUDXZGHPGLLC-ZXZARUISSA-N (3r,6s)-3,6-dimethyl-1,4-dioxane-2,5-dione Chemical compound C[C@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-ZXZARUISSA-N 0.000 description 1
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 1
- OZZQHCBFUVFZGT-UHFFFAOYSA-N 2-(2-hydroxypropanoyloxy)propanoic acid Chemical compound CC(O)C(=O)OC(C)C(O)=O OZZQHCBFUVFZGT-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- 238000003109 Karl Fischer titration Methods 0.000 description 1
- XWRJRZYDPLBGAL-UHFFFAOYSA-N OC=1C(=C(C(=C(C=1)O)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 Chemical class OC=1C(=C(C(=C(C=1)O)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 XWRJRZYDPLBGAL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000655 anti-hydrolysis Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 239000011805 ball Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 1
- 150000001718 carbodiimides Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- JQZRVMZHTADUSY-UHFFFAOYSA-L di(octanoyloxy)tin Chemical compound [Sn+2].CCCCCCCC([O-])=O.CCCCCCCC([O-])=O JQZRVMZHTADUSY-UHFFFAOYSA-L 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 150000004659 dithiocarbamates Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- OIQFOVMTLWDQIZ-UHFFFAOYSA-N n'-naphthalen-1-ylmethanediimine Chemical compound C1=CC=C2C(N=C=N)=CC=CC2=C1 OIQFOVMTLWDQIZ-UHFFFAOYSA-N 0.000 description 1
- JEQPWXGHMRFTRF-UHFFFAOYSA-N n,n'-bis(2-methylpropyl)methanediimine Chemical compound CC(C)CN=C=NCC(C)C JEQPWXGHMRFTRF-UHFFFAOYSA-N 0.000 description 1
- NASVTBDJHWPMOO-UHFFFAOYSA-N n,n'-dimethylmethanediimine Chemical compound CN=C=NC NASVTBDJHWPMOO-UHFFFAOYSA-N 0.000 description 1
- NWBVGPKHJHHPTA-UHFFFAOYSA-N n,n'-dioctylmethanediimine Chemical compound CCCCCCCCN=C=NCCCCCCCC NWBVGPKHJHHPTA-UHFFFAOYSA-N 0.000 description 1
- CMESPBFFDMPSIY-UHFFFAOYSA-N n,n'-diphenylmethanediimine Chemical compound C1=CC=CC=C1N=C=NC1=CC=CC=C1 CMESPBFFDMPSIY-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002832 nitroso derivatives Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 235000010603 pastilles Nutrition 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
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
- C08G63/88—Post-polymerisation treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicinal Preparation (AREA)
- Biological Depolymerization Polymers (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06124934 | 2006-11-28 | ||
| EP06124934.8 | 2006-11-28 | ||
| EP07113211 | 2007-07-26 | ||
| EP07113211.2 | 2007-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2009118566A RU2009118566A (ru) | 2011-01-10 |
| RU2451695C2 true RU2451695C2 (ru) | 2012-05-27 |
Family
ID=38973061
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009118566/04A RU2451695C2 (ru) | 2006-11-28 | 2007-11-28 | Стабильные частицы лактида |
| RU2009119292/04A RU2454437C2 (ru) | 2006-11-28 | 2007-11-28 | Стабильные частицы лактида |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009119292/04A RU2454437C2 (ru) | 2006-11-28 | 2007-11-28 | Стабильные частицы лактида |
Country Status (12)
| Country | Link |
|---|---|
| EP (2) | EP2097469B1 (enExample) |
| JP (2) | JP2010510975A (enExample) |
| KR (2) | KR101469573B1 (enExample) |
| AU (2) | AU2007327594B2 (enExample) |
| BR (2) | BRPI0719152B1 (enExample) |
| CA (2) | CA2670931C (enExample) |
| DK (2) | DK2084207T3 (enExample) |
| ES (2) | ES2429291T3 (enExample) |
| MX (2) | MX2009005580A (enExample) |
| PL (2) | PL2084207T3 (enExample) |
| RU (2) | RU2451695C2 (enExample) |
| WO (2) | WO2008065132A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2009005580A (es) * | 2006-11-28 | 2009-06-10 | Purac Biochem Bv | Particulas estables de lactido. |
| EP2161263B1 (de) * | 2008-08-21 | 2013-06-12 | Uhde Inventa-Fischer GmbH | Verfahren zur Lagerung und zum Transport von zyklischen Diestern |
| RU2422471C2 (ru) * | 2009-04-20 | 2011-06-27 | Игорь Леонидович Федюшкин | Каталитический способ полимеризации лактидов на металлах или их неорганических соединениях |
| RU2460726C1 (ru) * | 2011-04-07 | 2012-09-10 | Валерий Федорович Швец | Способ получения l-лактида |
| WO2012144511A1 (ja) * | 2011-04-22 | 2012-10-26 | 株式会社クレハ | 生分解性脂肪族ポリエステル粒子、及びその製造方法 |
| BR112015027931B1 (pt) | 2013-05-06 | 2020-05-12 | Futerro S. A. | Processo para recuperar e aperfeiçoar a produção de meso-lactida a partir de um fluxo que contém lactida bruta |
| DE102014213016A1 (de) * | 2014-07-04 | 2016-01-07 | Evonik Röhm Gmbh | Dehydratisierung von alpha-substituierten Carbonsäuren in Gegenwart von Wasser bei hohen Drücken |
| US10000727B2 (en) | 2014-11-04 | 2018-06-19 | The Procter & Gamble Company | Packaged composition |
| KR102470542B1 (ko) | 2017-04-28 | 2022-11-24 | (주) 개마텍 | 광경화 코팅용 조성물 및 코팅막 |
| JP7593808B2 (ja) * | 2017-11-03 | 2024-12-03 | アーチャー－ダニエルズ－ミッドランド カンパニー | 反芻動物用カプセル化アミノ酸を製造するためのプロセス |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1685952A1 (ru) * | 1989-04-12 | 1991-10-23 | Предприятие П/Я А-7629 | Способ получени сложных полиэфиров |
| RU2155149C2 (ru) * | 1995-09-08 | 2000-08-27 | Энвайронментал Пэкинг, Л.П. | Способ получения формованного упаковочного изделия |
| JP2004149418A (ja) * | 2002-10-28 | 2004-05-27 | Musashino Chemical Laboratory Ltd | 精製ラクチドの製造方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1979971A (en) * | 1932-07-02 | 1934-11-06 | Du Pont | Flaked resorcinol |
| US3510268A (en) * | 1968-06-05 | 1970-05-05 | Hooker Chemical Corp | Preparation of flaked phosphorous acid |
| EP0261572A1 (de) * | 1986-09-20 | 1988-03-30 | Boehringer Ingelheim Kg | Verfahren zur Herstellung von Lactid |
| JPS63152956A (ja) * | 1986-12-16 | 1988-06-25 | Musashino Kagaku Kenkyusho:Kk | 豆腐の凝固方法 |
| DE3917178A1 (de) * | 1989-05-26 | 1990-11-29 | Boehringer Ingelheim Kg | Verbessertes verfahren zur herstellung von d,l-lactid |
| TW211577B (enExample) * | 1991-07-24 | 1993-08-21 | Du Pont | |
| US5236560A (en) * | 1992-03-13 | 1993-08-17 | E. I. Du Pont De Nemours And Company | Solventless dimeric cyclic ester distillation process |
| US5264592A (en) * | 1992-09-08 | 1993-11-23 | Camelot Technologies Inc. | Lactide melt recrystallization |
| US5357034A (en) * | 1992-09-08 | 1994-10-18 | Camelot Technologies Inc. | Lactide polymerization |
| DE4236752A1 (de) * | 1992-10-30 | 1994-05-05 | Asta Medica Ag | Kombinationspräparat aus Flupirtin und Morphin zur Behandlung von Schmerzen und zur Vermeidung der Morphin-Abhängigkeit |
| CA2115472C (en) * | 1993-02-17 | 2002-08-13 | William George O'brien | Melt crystallization purification of lactides |
| JPH07304764A (ja) * | 1994-05-12 | 1995-11-21 | Toyobo Co Ltd | α−オキシ酸の分子間環状ジエステルの乾燥方法 |
| US5801255A (en) * | 1996-08-01 | 1998-09-01 | Shimadzu Corporation | Method for producing lactide and apparatus used therefor |
| JP2000086652A (ja) * | 1998-09-11 | 2000-03-28 | Shimadzu Corp | ラクチドの精製方法 |
| US6313319B1 (en) * | 1998-09-25 | 2001-11-06 | Shimadzu Corporation | Method for purifying lactide and lactide for food additives |
| WO2000018756A1 (en) * | 1998-09-25 | 2000-04-06 | Shimadzu Corporation | Process for purifying lactide and lactide used as food additive |
| US6359128B1 (en) * | 2000-07-18 | 2002-03-19 | Isp Investments Inc. | Free-flowing flakes of vinyl caprolactam monomer and process for making same |
| EP1693054B1 (en) * | 2000-08-07 | 2016-05-25 | Wako Pure Chemical Industries, Ltd. | Lactic acid polymer and process for producing the same |
| JP2005145857A (ja) * | 2003-11-13 | 2005-06-09 | Sanko Kk | １，２−ジフェノキシエタンの精製方法及びその固形物の製造方法 |
| MX2009005580A (es) * | 2006-11-28 | 2009-06-10 | Purac Biochem Bv | Particulas estables de lactido. |
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2007
- 2007-11-28 MX MX2009005580A patent/MX2009005580A/es active IP Right Grant
- 2007-11-28 KR KR1020097013083A patent/KR101469573B1/ko active Active
- 2007-11-28 JP JP2009537660A patent/JP2010510975A/ja active Pending
- 2007-11-28 DK DK07847442.6T patent/DK2084207T3/da active
- 2007-11-28 RU RU2009118566/04A patent/RU2451695C2/ru active
- 2007-11-28 BR BRPI0719152-9A patent/BRPI0719152B1/pt active IP Right Grant
- 2007-11-28 JP JP2009537661A patent/JP5489720B2/ja active Active
- 2007-11-28 CA CA2670931A patent/CA2670931C/en active Active
- 2007-11-28 MX MX2009005581A patent/MX2009005581A/es active IP Right Grant
- 2007-11-28 CA CA2670934A patent/CA2670934C/en active Active
- 2007-11-28 WO PCT/EP2007/062919 patent/WO2008065132A1/en not_active Ceased
- 2007-11-28 DK DK07847444.2T patent/DK2097469T3/da active
- 2007-11-28 PL PL07847442T patent/PL2084207T3/pl unknown
- 2007-11-28 AU AU2007327594A patent/AU2007327594B2/en active Active
- 2007-11-28 ES ES07847442T patent/ES2429291T3/es active Active
- 2007-11-28 AU AU2007327592A patent/AU2007327592B9/en active Active
- 2007-11-28 WO PCT/EP2007/062917 patent/WO2008065130A1/en not_active Ceased
- 2007-11-28 EP EP07847444.2A patent/EP2097469B1/en active Active
- 2007-11-28 BR BRPI0719591-5A patent/BRPI0719591B1/pt active IP Right Grant
- 2007-11-28 ES ES07847444T patent/ES2430063T3/es active Active
- 2007-11-28 RU RU2009119292/04A patent/RU2454437C2/ru active
- 2007-11-28 PL PL07847444T patent/PL2097469T3/pl unknown
- 2007-11-28 KR KR1020097013184A patent/KR101469574B1/ko active Active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1685952A1 (ru) * | 1989-04-12 | 1991-10-23 | Предприятие П/Я А-7629 | Способ получени сложных полиэфиров |
| RU2155149C2 (ru) * | 1995-09-08 | 2000-08-27 | Энвайронментал Пэкинг, Л.П. | Способ получения формованного упаковочного изделия |
| JP2004149418A (ja) * | 2002-10-28 | 2004-05-27 | Musashino Chemical Laboratory Ltd | 精製ラクチドの製造方法 |
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