EA201791533A1 - Способ производства лактида - Google Patents
Способ производства лактидаInfo
- Publication number
- EA201791533A1 EA201791533A1 EA201791533A EA201791533A EA201791533A1 EA 201791533 A1 EA201791533 A1 EA 201791533A1 EA 201791533 A EA201791533 A EA 201791533A EA 201791533 A EA201791533 A EA 201791533A EA 201791533 A1 EA201791533 A1 EA 201791533A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- lactic acid
- lactide
- organic solvent
- composition containing
- solution
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Изобретение относится к способу получения лактида, включающему стадии обеспечения раствора молочной кислоты в летучем органическом растворителе; воздействия на раствор на стадии выпаривания для удаления летучего органического растворителя и воды, что приводит к образованию композиции, содержащей олигомер молочной кислоты; добавления катализатора к композиции, содержащей олигомер молочной кислоты, и доведения смеси до условий реакции с образованием лактида. Было обнаружено, что способ по изобретению приводит к эффективному получению лактида с высокой скоростью производства и хорошим качеством продукта.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15155011.8A EP3056490A1 (en) | 2015-02-13 | 2015-02-13 | Method for manufacturing lactide |
PCT/EP2016/052888 WO2016128501A1 (en) | 2015-02-13 | 2016-02-11 | Method for manufacturing lactide |
Publications (2)
Publication Number | Publication Date |
---|---|
EA201791533A1 true EA201791533A1 (ru) | 2018-01-31 |
EA034327B1 EA034327B1 (ru) | 2020-01-28 |
Family
ID=52469681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201791533A EA034327B1 (ru) | 2015-02-13 | 2016-02-11 | Способ производства лактида |
Country Status (17)
Country | Link |
---|---|
US (1) | US10399956B2 (ru) |
EP (2) | EP3056490A1 (ru) |
JP (1) | JP6559245B2 (ru) |
KR (1) | KR101981463B1 (ru) |
CN (1) | CN107438602B (ru) |
AU (1) | AU2016217910B2 (ru) |
BR (1) | BR112017015575B1 (ru) |
CA (1) | CA2975324C (ru) |
DK (1) | DK3256460T3 (ru) |
EA (1) | EA034327B1 (ru) |
ES (1) | ES2929373T3 (ru) |
HU (1) | HUE060190T2 (ru) |
MY (1) | MY181603A (ru) |
PL (1) | PL3256460T3 (ru) |
TW (1) | TWI700279B (ru) |
UA (1) | UA119592C2 (ru) |
WO (1) | WO2016128501A1 (ru) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108239262B (zh) * | 2017-12-28 | 2020-03-27 | 河南金丹乳酸科技股份有限公司 | 寡聚l-乳酸生产工艺 |
CN109337052B (zh) * | 2018-04-05 | 2021-02-02 | 河南金丹乳酸科技股份有限公司 | 利用l-丙交酯开环聚合生产聚l-乳酸的方法 |
KR102209838B1 (ko) * | 2019-06-28 | 2021-01-29 | 한국재료연구원 | 탄소 도핑 이붕소마그네슘 초전도체의 제조 방법 |
JP7462761B2 (ja) | 2020-01-15 | 2024-04-05 | ピュラック バイオケム ビー. ブイ. | 塩化マグネシウム溶液を精製する方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB173479A (en) | 1920-12-27 | 1922-11-09 | Joseph Schatzkes | Improved process of purifying lactic acid |
GB280969A (en) | 1927-11-22 | 1928-06-14 | Wilhelm Klapproth | Improved process for the purification of lactic acid |
US2710880A (en) | 1953-05-07 | 1955-06-14 | Edward M Filachione | Extraction of lactic acid |
US5319107A (en) * | 1990-09-18 | 1994-06-07 | Biopak Technology, Ltd. | Method to produce cyclic esters |
NZ249033A (en) * | 1992-01-24 | 1996-05-28 | Cargill Inc | Preparation of a polylactide from a lactide which has been purified by distillation |
US5142023A (en) * | 1992-01-24 | 1992-08-25 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
US5420304A (en) * | 1992-03-19 | 1995-05-30 | Biopak Technology, Ltd. | Method to produce cyclic esters |
JP3162544B2 (ja) * | 1993-06-18 | 2001-05-08 | 三井化学株式会社 | ポリヒドロキシカルボン酸の製造方法 |
US5426219A (en) | 1993-07-26 | 1995-06-20 | A.E. Staley Manufacturing Co. | Process for recovering organic acids |
IL126264A0 (en) | 1998-09-17 | 1999-05-09 | Tami Inst For Research & Dev L | Process for preparing lactic acid |
DE19902879A1 (de) * | 1999-01-25 | 2000-08-03 | Wolff Walsrode Ag | Verfahren zur Herstellung von hochreinem Dilactid |
JP4048764B2 (ja) * | 2001-01-31 | 2008-02-20 | トヨタ自動車株式会社 | 発酵乳酸を原料とするラクチドの製造方法及びポリ乳酸の製造方法 |
CN1488628A (zh) * | 2003-08-01 | 2004-04-14 | 上海高分子材料研究开发中心 | 一种制备丙交酯的方法 |
US20070128013A1 (en) | 2005-12-01 | 2007-06-07 | Grant Hanson | Apparatus protecting vehicle with bucket when bucket strikes fixed object |
US8859245B2 (en) | 2006-03-29 | 2014-10-14 | Bio-Energy Corporation | Method for separation of lactic acid component from lactic acid fermentation liquor, and separation apparatus |
JP2008199826A (ja) * | 2007-02-14 | 2008-08-28 | Sharp Corp | 駆動装置 |
JP5161466B2 (ja) * | 2007-02-16 | 2013-03-13 | 帝人株式会社 | ポリ乳酸からラクチドを製造する方法 |
EP2072508A1 (fr) * | 2007-12-19 | 2009-06-24 | Galactic S.A. | Procédé d'obtention de lactide |
JP5679411B2 (ja) * | 2010-06-17 | 2015-03-04 | 日立造船株式会社 | ポリ乳酸の製造方法 |
JP2012097224A (ja) * | 2010-11-04 | 2012-05-24 | Hitachi Plant Technologies Ltd | ポリヒドロキシカルボン酸の製造装置および製造方法 |
JP5739165B2 (ja) * | 2011-01-06 | 2015-06-24 | 国立大学法人宇都宮大学 | ラクチドの製造方法 |
JP2014511150A (ja) * | 2011-02-18 | 2014-05-12 | スルザー ケムテック アクチェンゲゼルシャフト | ポリヒドロキシカルボン酸の製造方法 |
EP2607375A1 (en) | 2011-12-21 | 2013-06-26 | The Provost, Fellows, Foundation Scholars, & the other members of Board, of the College of the Holy & Undiv. Trinity of Queen Elizabeth near Dublin | Variants of yeast NDI1 gene, and uses thereof in the treatment of disease associated with mitochondrial dysfunction. |
CN104640834B (zh) | 2011-12-23 | 2017-02-22 | 普拉克生化公司 | 多羧酸萃取 |
-
2015
- 2015-02-13 EP EP15155011.8A patent/EP3056490A1/en not_active Withdrawn
-
2016
- 2016-02-11 ES ES16703813T patent/ES2929373T3/es active Active
- 2016-02-11 EA EA201791533A patent/EA034327B1/ru not_active IP Right Cessation
- 2016-02-11 CA CA2975324A patent/CA2975324C/en active Active
- 2016-02-11 US US15/550,079 patent/US10399956B2/en active Active
- 2016-02-11 DK DK16703813.2T patent/DK3256460T3/da active
- 2016-02-11 WO PCT/EP2016/052888 patent/WO2016128501A1/en active Application Filing
- 2016-02-11 EP EP16703813.2A patent/EP3256460B1/en active Active
- 2016-02-11 MY MYPI2017001022A patent/MY181603A/en unknown
- 2016-02-11 AU AU2016217910A patent/AU2016217910B2/en active Active
- 2016-02-11 HU HUE16703813A patent/HUE060190T2/hu unknown
- 2016-02-11 CN CN201680009748.5A patent/CN107438602B/zh active Active
- 2016-02-11 PL PL16703813.2T patent/PL3256460T3/pl unknown
- 2016-02-11 UA UAA201708666A patent/UA119592C2/uk unknown
- 2016-02-11 BR BR112017015575-3A patent/BR112017015575B1/pt active IP Right Grant
- 2016-02-11 KR KR1020177025068A patent/KR101981463B1/ko active IP Right Grant
- 2016-02-11 JP JP2017541613A patent/JP6559245B2/ja active Active
- 2016-02-15 TW TW105104239A patent/TWI700279B/zh active
Also Published As
Publication number | Publication date |
---|---|
CA2975324A1 (en) | 2016-08-18 |
US10399956B2 (en) | 2019-09-03 |
JP2018507846A (ja) | 2018-03-22 |
DK3256460T3 (da) | 2022-10-31 |
EA034327B1 (ru) | 2020-01-28 |
CN107438602B (zh) | 2021-03-16 |
AU2016217910A1 (en) | 2017-08-03 |
MY181603A (en) | 2020-12-29 |
BR112017015575B1 (pt) | 2022-06-14 |
PL3256460T3 (pl) | 2023-01-16 |
WO2016128501A1 (en) | 2016-08-18 |
EP3056490A1 (en) | 2016-08-17 |
ES2929373T3 (es) | 2022-11-28 |
TWI700279B (zh) | 2020-08-01 |
KR20170115089A (ko) | 2017-10-16 |
TW201630892A (zh) | 2016-09-01 |
BR112017015575A2 (pt) | 2018-03-13 |
KR101981463B1 (ko) | 2019-05-23 |
AU2016217910B2 (en) | 2018-11-08 |
CN107438602A (zh) | 2017-12-05 |
US20180030025A1 (en) | 2018-02-01 |
UA119592C2 (uk) | 2019-07-10 |
EP3256460B1 (en) | 2022-08-03 |
CA2975324C (en) | 2020-05-12 |
JP6559245B2 (ja) | 2019-08-14 |
HUE060190T2 (hu) | 2023-02-28 |
EP3256460A1 (en) | 2017-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KG TJ TM |