BR112015027931A2 - processo para recuperar e aperfeiçoar a produção de meso-lactida a partir de um fluxo que contém bruta - Google Patents

processo para recuperar e aperfeiçoar a produção de meso-lactida a partir de um fluxo que contém bruta

Info

Publication number
BR112015027931A2
BR112015027931A2 BR112015027931A BR112015027931A BR112015027931A2 BR 112015027931 A2 BR112015027931 A2 BR 112015027931A2 BR 112015027931 A BR112015027931 A BR 112015027931A BR 112015027931 A BR112015027931 A BR 112015027931A BR 112015027931 A2 BR112015027931 A2 BR 112015027931A2
Authority
BR
Brazil
Prior art keywords
meso
refining
recovering
stream containing
containing crude
Prior art date
Application number
BR112015027931A
Other languages
English (en)
Other versions
BR112015027931B1 (pt
BR112015027931A8 (pt
Inventor
Philipe Coszach
Denis Mignon
Original Assignee
Futerro Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48227064&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112015027931(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Futerro Sa filed Critical Futerro Sa
Publication of BR112015027931A2 publication Critical patent/BR112015027931A2/pt
Publication of BR112015027931A8 publication Critical patent/BR112015027931A8/pt
Publication of BR112015027931B1 publication Critical patent/BR112015027931B1/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D2009/0086—Processes or apparatus therefor
BR112015027931-7A 2013-05-06 2014-05-06 Processo para recuperar e aperfeiçoar a produção de meso-lactida a partir de um fluxo que contém lactida bruta BR112015027931B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13166707.3 2013-05-06
EP13166707 2013-05-06
PCT/EP2014/059220 WO2014180836A1 (en) 2013-05-06 2014-05-06 Process for recovering and improving production of meso-lactide from a crude lactide containing stream

Publications (3)

Publication Number Publication Date
BR112015027931A2 true BR112015027931A2 (pt) 2017-07-25
BR112015027931A8 BR112015027931A8 (pt) 2018-01-02
BR112015027931B1 BR112015027931B1 (pt) 2020-05-12

Family

ID=48227064

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015027931-7A BR112015027931B1 (pt) 2013-05-06 2014-05-06 Processo para recuperar e aperfeiçoar a produção de meso-lactida a partir de um fluxo que contém lactida bruta

Country Status (6)

Country Link
US (1) US9573925B2 (pt)
EP (1) EP2994462B2 (pt)
KR (1) KR102225428B1 (pt)
CN (1) CN105228994B (pt)
BR (1) BR112015027931B1 (pt)
WO (1) WO2014180836A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3406605B1 (en) * 2017-05-22 2022-04-20 NatureWorks LLC Methods for producing lactide with recrystallization and recycle of meso-lactide
CN112500389B (zh) * 2020-11-28 2022-09-20 万华化学(四川)有限公司 一种丙交酯的分离提纯方法
BE1029670B1 (fr) 2021-08-02 2023-03-06 Futerro Sa Procédé de récupération de lactide et d'acide lactique lors des étapes de production de polylactide (PLA)
WO2023025818A1 (en) 2021-08-26 2023-03-02 Futerro S.A. Valorisation of d-lactic acid stream by l/d separation in the production process of l-polylactic acid
WO2023025817A1 (en) 2021-08-26 2023-03-02 Futerro S.A. Valorisation of lactic acid stream in the production process of polylactic acid
EP4140978A1 (fr) 2021-08-26 2023-03-01 Futerro S.A. Procédé de préparation d'acide acrylique ou d'ester d'acide acrylique par déshydratation catalytique à partir d'un flux de recyclage d'un procédé de production d'acide polylactique
EP4141042A1 (en) 2021-08-26 2023-03-01 Futerro S.A. Valorisation of l-lactic acid stream in the production process of d-polylactic acid
EP4141043A1 (en) 2021-08-26 2023-03-01 Futerro S.A. Valorisation of d-lactic acid stream in the production process of l-polylactic acid

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02500593A (ja) * 1987-06-16 1990-03-01 ベーリンガー　インゲルハイム　コマンディットゲゼルシャフト メソラクチド及びその製造方法
US5214159A (en) 1987-06-16 1993-05-25 Boehringer Ingelheim Gmbh Meso-lactide
US5236560A (en) 1992-03-13 1993-08-17 E. I. Du Pont De Nemours And Company Solventless dimeric cyclic ester distillation process
US5357034A (en) 1992-09-08 1994-10-18 Camelot Technologies Inc. Lactide polymerization
CA2115472C (en) 1993-02-17 2002-08-13 William George O'brien Melt crystallization purification of lactides
US5521278A (en) 1994-08-18 1996-05-28 Ecological Chemical Products Integrated process for the manufacture of lactide
US6313319B1 (en) * 1998-09-25 2001-11-06 Shimadzu Corporation Method for purifying lactide and lactide for food additives
AU2007327594B2 (en) 2006-11-28 2013-08-22 Purac Biochem Bv Stable lactide particles
EP2031009A1 (de) 2007-09-03 2009-03-04 Uhde Inventa-Fischer GmbH Reinigungsvorrichtung zur Abtrennung von Dilactid aus Stoffgemischen, Polymerisationsvorrichtung, Verfahren zur Abtrennung von Dilactid aus Stoffgemischen sowie Verwendung
BE1018247A3 (fr) 2008-08-14 2010-07-06 Futerro Sa Procede d'obtention de lactide.
EP2161263B1 (de) 2008-08-21 2013-06-12 Uhde Inventa-Fischer GmbH Verfahren zur Lagerung und zum Transport von zyklischen Diestern
ES2695928T3 (es) 2009-03-13 2019-01-11 Natureworks Llc Métodos para producir lactida con reciclado de mesolactida

Also Published As

Publication number Publication date
BR112015027931B1 (pt) 2020-05-12
EP2994462B2 (en) 2019-08-21
KR102225428B1 (ko) 2021-03-09
CN105228994A (zh) 2016-01-06
BR112015027931A8 (pt) 2018-01-02
US9573925B2 (en) 2017-02-21
CN105228994B (zh) 2018-03-09
US20160068505A1 (en) 2016-03-10
KR20160005344A (ko) 2016-01-14
WO2014180836A1 (en) 2014-11-13
EP2994462B1 (en) 2016-10-19
EP2994462A1 (en) 2016-03-16

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: C07D 319/12

Ipc: C07D 319/12 (2006.01), B01D 3/14 (2006.01), B01D 9

B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/05/2014, OBSERVADAS AS CONDICOES LEGAIS.