BRPI1013628A2 - Métodos para produzir lactídeo com reciclo de meso-lactídeo - Google Patents

Métodos para produzir lactídeo com reciclo de meso-lactídeo

Info

Publication number
BRPI1013628A2
BRPI1013628A2 BRPI1013628-2A BRPI1013628A BRPI1013628A2 BR PI1013628 A2 BRPI1013628 A2 BR PI1013628A2 BR PI1013628 A BRPI1013628 A BR PI1013628A BR PI1013628 A2 BRPI1013628 A2 BR PI1013628A2
Authority
BR
Brazil
Prior art keywords
lactid
meso
recycling
produce
methods
Prior art date
Application number
BRPI1013628-2A
Other languages
English (en)
Inventor
Richard Douglas Benson
Eric Stanley Sumner
Joseph David Schroeder
Original Assignee
Natureworks Llc
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
Application filed by Natureworks Llc filed Critical Natureworks Llc
Publication of BRPI1013628A2 publication Critical patent/BRPI1013628A2/pt
Publication of BRPI1013628B1 publication Critical patent/BRPI1013628B1/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Biological Depolymerization Polymers (AREA)
BRPI1013628-2A 2009-03-13 2010-03-12 Métodos para produzir lactídeo com reciclo de meso-lactídeo BRPI1013628B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15993809P 2009-03-13 2009-03-13
US61/159.938 2009-03-13
PCT/US2010/027119 WO2010105143A2 (en) 2009-03-13 2010-03-12 Methods for producing lactide with recycle of meso-lactide

Publications (2)

Publication Number Publication Date
BRPI1013628A2 true BRPI1013628A2 (pt) 2015-08-25
BRPI1013628B1 BRPI1013628B1 (pt) 2019-08-20

Family

ID=42205029

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1013628-2A BRPI1013628B1 (pt) 2009-03-13 2010-03-12 Métodos para produzir lactídeo com reciclo de meso-lactídeo

Country Status (7)

Country Link
US (1) US8674056B2 (pt)
EP (1) EP2406246B1 (pt)
JP (1) JP5781445B2 (pt)
CN (1) CN102625802B (pt)
BR (1) BRPI1013628B1 (pt)
ES (1) ES2695928T3 (pt)
WO (1) WO2010105143A2 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102225428B1 (ko) * 2013-05-06 2021-03-09 퓌떼로 에스.에이. 미정제 락티드 함유 스트림으로부터의 메조-락티드의 회수 및 생성 개선 방법
EP2876124B1 (de) * 2013-11-20 2019-01-09 Uhde Inventa-Fischer GmbH Verfahren sowie vorrichtung zur herstellung einer kristallisierbaren polymilchsäuremischung sowie polymilchsäuremischung
WO2015086613A1 (en) * 2013-12-10 2015-06-18 Futerro S.A. Improved process for producing polylactide
CN107118200B (zh) 2016-02-24 2020-02-28 香港纺织及成衣研发中心有限公司 一种利用乳酸催化合成丙交酯的方法
EP3472145A1 (en) * 2016-06-20 2019-04-24 Total Research & Technology Feluy Single step lactide production process with heat recovery
JP6848362B2 (ja) * 2016-11-09 2021-03-24 東洋製罐株式会社 ラクチド回収方法
EP3406605B1 (en) 2017-05-22 2022-04-20 NatureWorks LLC Methods for producing lactide with recrystallization and recycle of meso-lactide
JP7238416B2 (ja) * 2019-01-18 2023-03-14 東洋製罐グループホールディングス株式会社 ラクチド回収方法
EP3983399A1 (en) * 2019-06-13 2022-04-20 NatureWorks LLC Fast-hydrolyzing polylactide resin compositions
WO2023139207A1 (en) 2022-01-21 2023-07-27 Purac Biochem B.V. Method for processing lactides

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3778324D1 (de) 1986-12-01 1992-05-21 Tokuyama Soda Kk Verfahren zur herstellung von organischen perfluoro-verbindungen.
US4883745A (en) 1988-11-07 1989-11-28 Gte Products Corporation Silver-copper-titanium brazing alloy containing crust inhibiting element
GB2246488B (en) 1990-07-24 1994-04-20 Sony Corp Motion dependant video signal processing
US5247058A (en) 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
US5247059A (en) 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid
US6005067A (en) 1992-01-24 1999-12-21 Cargill Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5258488A (en) 1992-01-24 1993-11-02 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5142023A (en) 1992-01-24 1992-08-25 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5338822A (en) 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
CA2115472C (en) 1993-02-17 2002-08-13 William George O'brien Melt crystallization purification of lactides
US5463086A (en) 1993-03-24 1995-10-31 Dainippon Ink And Chemicals, Inc. Process for producing lactides and process for purifying crude lactides
JPH07165753A (ja) * 1993-12-08 1995-06-27 Musashino Kagaku Kenkyusho:Kk ラクチドの精製方法
TW304890B (pt) 1994-12-08 1997-05-11 Sulzer Chemtech Ag
KR100615341B1 (ko) 1998-11-27 2006-08-25 미쓰비시 가가꾸 가부시키가이샤 말레산 무수물의 제조방법
BE1015060A3 (fr) * 2002-08-06 2004-09-07 Brussels Biotech Nv Sa Procede de production de polylactide au depart d'une solution d'acide lactique ou d'un de ses derives.
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

Also Published As

Publication number Publication date
CN102625802B (zh) 2016-03-23
WO2010105143A3 (en) 2012-07-19
JP5781445B2 (ja) 2015-09-24
JP2012524712A (ja) 2012-10-18
BRPI1013628B1 (pt) 2019-08-20
US8674056B2 (en) 2014-03-18
WO2010105143A2 (en) 2010-09-16
EP2406246B1 (en) 2018-08-15
ES2695928T3 (es) 2019-01-11
EP2406246A2 (en) 2012-01-18
US20110306749A1 (en) 2011-12-15
CN102625802A (zh) 2012-08-01

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/03/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/03/2010, OBSERVADAS AS CONDICOES LEGAIS

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2765 DE 02-01-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.