KR20240055817A - 메소-락티드의 정제 공정 - Google Patents
메소-락티드의 정제 공정 Download PDFInfo
- Publication number
- KR20240055817A KR20240055817A KR1020247011252A KR20247011252A KR20240055817A KR 20240055817 A KR20240055817 A KR 20240055817A KR 1020247011252 A KR1020247011252 A KR 1020247011252A KR 20247011252 A KR20247011252 A KR 20247011252A KR 20240055817 A KR20240055817 A KR 20240055817A
- Authority
- KR
- South Korea
- Prior art keywords
- lactide
- meso
- solvent
- weight
- meq
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21195962 | 2021-09-10 | ||
| EP21195962.2 | 2021-09-10 | ||
| PCT/EP2022/075141 WO2023036948A1 (en) | 2021-09-10 | 2022-09-09 | Process for purifying meso-lactide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20240055817A true KR20240055817A (ko) | 2024-04-29 |
Family
ID=77710639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020247011252A Pending KR20240055817A (ko) | 2021-09-10 | 2022-09-09 | 메소-락티드의 정제 공정 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240368110A1 (https=) |
| EP (1) | EP4399205B1 (https=) |
| JP (1) | JP7775450B2 (https=) |
| KR (1) | KR20240055817A (https=) |
| CN (1) | CN117916228A (https=) |
| WO (1) | WO2023036948A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121666385A (zh) * | 2023-08-03 | 2026-03-13 | 普拉克生化公司 | 处理丙交酯进料的方法 |
| WO2025068252A1 (en) | 2023-09-26 | 2025-04-03 | Purac Biochem B.V. | Process for manufacturing lactide |
| WO2026008344A1 (fr) | 2024-07-02 | 2026-01-08 | Futerro S.A. | Procédé amélioré de production d'acide polylactique à faible indice de jaune |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214159A (en) | 1987-06-16 | 1993-05-25 | Boehringer Ingelheim Gmbh | Meso-lactide |
| WO1988010260A1 (fr) * | 1987-06-16 | 1988-12-29 | Boehringer Ingelheim Kg | ''meso-lactide'' et son procede de preparation |
| NL8702563A (nl) | 1987-10-28 | 1989-05-16 | Cca Biochem B V | Polymeer lactide, werkwijze voor het bereiden van een dergelijk polymeer lactide, alsmede een samenstelling, die een dergelijk polymeer lactide bevat. |
| BR9205956A (pt) | 1991-04-29 | 1994-07-05 | Paton H N | Mola compósita, retanção para uma mola elastomérica tubular e sistema de suspensão de nivelamento de carga para um veículo |
| US5675021A (en) * | 1992-03-19 | 1997-10-07 | Chronopol, Inc. | Method to produce and purify cyclic esters |
| US5686630A (en) * | 1993-09-29 | 1997-11-11 | Chronopol, Inc. | Purifying cyclic esters by aqueous solvent extraction |
| US5463086A (en) * | 1993-03-24 | 1995-10-31 | Dainippon Ink And Chemicals, Inc. | Process for producing lactides and process for purifying crude lactides |
| BE1018247A3 (fr) * | 2008-08-14 | 2010-07-06 | Futerro Sa | Procede d'obtention de lactide. |
| EP2994462B2 (en) * | 2013-05-06 | 2019-08-21 | Futerro S.A. | Process for recovering and improving production of meso-lactide from a crude lactide containing stream |
| CN105294644B (zh) * | 2015-10-09 | 2018-10-16 | 中国科学院长春应用化学研究所 | 一种聚合级丙交酯的制备方法 |
| RU2699801C1 (ru) * | 2018-11-20 | 2019-09-11 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" (ТГУ, НИ ТГУ) | Способ очистки лактида |
| CN113292531B (zh) * | 2021-05-20 | 2023-09-26 | 重庆大学 | 一种meso-丙交酯和D,L-丙交酯的混合丙交酯的纯化方法 |
-
2022
- 2022-09-09 WO PCT/EP2022/075141 patent/WO2023036948A1/en not_active Ceased
- 2022-09-09 KR KR1020247011252A patent/KR20240055817A/ko active Pending
- 2022-09-09 CN CN202280061253.2A patent/CN117916228A/zh active Pending
- 2022-09-09 EP EP22786759.5A patent/EP4399205B1/en active Active
- 2022-09-09 JP JP2024514672A patent/JP7775450B2/ja active Active
- 2022-09-09 US US18/689,533 patent/US20240368110A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP7775450B2 (ja) | 2025-11-25 |
| US20240368110A1 (en) | 2024-11-07 |
| EP4399205A1 (en) | 2024-07-17 |
| CN117916228A (zh) | 2024-04-19 |
| WO2023036948A1 (en) | 2023-03-16 |
| JP2024531592A (ja) | 2024-08-29 |
| EP4399205B1 (en) | 2026-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
St.27 status event code: A-0-1-A10-A15-nap-PA0105 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| D21 | Rejection of application intended |
Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE) |
|
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| E13 | Pre-grant limitation requested |
Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE) |
|
| E13-X000 | Pre-grant limitation requested |
St.27 status event code: A-2-3-E10-E13-lim-X000 |
|
| P11 | Amendment of application requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE) |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |