FI945636A0 - Menetelmä laktidin puhdistamiseksi - Google Patents

Menetelmä laktidin puhdistamiseksi

Info

Publication number: FI945636A0
Authority: FI; Finland
Prior art keywords: purifying lactide; lactide; purifying
Prior art date: 1993-12-08

Application number

FI945636A

Other languages

English (en)

Swedish (sv)

Other versions

FI945636A (fi

FI117052B (fi

Inventor

Yoshiaki Yamaguchi

Tomohiro Arimura

Original Assignee

Musashino Kagaku Kenkyusho

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.)

1993-12-08

Filing date

1994-11-29

Publication date

1994-11-29

1994-11-29 Application filed by Musashino Kagaku Kenkyusho filed Critical Musashino Kagaku Kenkyusho

1994-11-29 Publication of FI945636A0 publication Critical patent/FI945636A0/fi

1995-06-09 Publication of FI945636A publication Critical patent/FI945636A/fi

2006-05-31 Application granted granted Critical

2006-05-31 Publication of FI117052B publication Critical patent/FI117052B/fi

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)
Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyesters Or Polycarbonates (AREA)

FI945636A 1993-12-08 1994-11-29 Menetelmä laktidin puhdistamiseksi FI117052B (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP30834693		1993-12-08
JP5308346A JPH07165753A (ja)	1993-12-08	1993-12-08	ラクチドの精製方法

Publications (3)

Publication Number	Publication Date
FI945636A0 true FI945636A0 (fi)	1994-11-29
FI945636A FI945636A (fi)	1995-06-09
FI117052B FI117052B (fi)	2006-05-31

Family

ID=17979960

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI945636A FI117052B (fi)	1993-12-08	1994-11-29	Menetelmä laktidin puhdistamiseksi

Country Status (6)

Country	Link
US (1)	US5502215A (fi)
EP (1)	EP0657447B1 (fi)
JP (1)	JPH07165753A (fi)
CN (1)	CN1060170C (fi)
DE (1)	DE69405201T2 (fi)
FI (1)	FI117052B (fi)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6087459A (en) *	1998-05-14	2000-07-11	Exxon Chemical Patents Inc.	Polymeric materials formed using blends of electron donors
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
US6630603B1 (en)	1999-03-22	2003-10-07	Purac Biochem B.V.	Method of industrial-scale purification of lactic acid
EP1136480A1 (fr) *	2000-03-23	2001-09-26	Brussels Biotech	Procedé de purification d'esters cycliques
US6984293B2 (en) *	2001-03-15	2006-01-10	Tate & Lyle Ingredients	Azeotropic distillation of cyclic esters of hydroxy organic acids
DE10145223A1 (de) *	2001-09-13	2003-04-03	Basf Ag	Verfahren zur Herstellung von meso-Zeaxanthin
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.
DE102006024016B4 (de) *	2006-05-23	2008-04-03	Infineon Technologies Ag	Speicher mit einem Ausgangsregister für Testdaten und Verfahren zum Testen eines Speichers
AT506768B1 (de)	2008-04-16	2013-10-15	Jungbunzlauer Austria Ag	Verfahren zur reinigung zyklischer diester der l- bzw. d-milchsäure
ES2554803T3 (es) *	2008-08-29	2015-12-23	Uhde Inventa-Fischer Gmbh	Procedimiento de preparación de una mezcla de derivados de lactida
WO2010105143A2 (en) *	2009-03-13	2010-09-16	Natureworks Llc	Methods for producing lactide with recycle of meso-lactide
WO2011104728A1 (en)	2010-02-26	2011-09-01	Council Of Scientific & Industrial Research	Improved process for the preparation of l-lactide of high chemical yield and optical purity
CN101845038B (zh) *	2010-05-13	2014-01-15	中国石油天然气集团公司	丙交酯精制残液处理方法及装置
CA2841929A1 (en) *	2011-07-15	2013-01-24	Plaxica Limited	Separation process
JP2015525074A (ja) *	2012-06-11	2015-09-03	プラクシカ・リミテッド	乳酸エステルの製造方法
WO2014014076A1 (ja) *	2012-07-20	2014-01-23	ユニチカ株式会社	ポリ乳酸系樹脂組成物およびそれを用いてなる成形体
EP2725019B1 (de)	2012-10-26	2015-04-08	Uhde Inventa-Fischer GmbH	Verfahren zur Herstellung cyclischer Diester, insbesondere Dilactid
WO2016097002A1 (en)	2014-12-17	2016-06-23	Purac Biochem Bv	Substrates coated or bonded with a composition comprising a polyurethane
EP3034534A1 (en)	2014-12-17	2016-06-22	PURAC Biochem BV	Substrates coated or bonded with a composition comprising a polyurethane
CN104861157B (zh) *	2015-06-01	2016-09-28	中国科学院长春应用化学研究所	一种低光学纯度高分子量聚乳酸的制备方法
WO2017050928A1 (en)	2015-09-22	2017-03-30	Purac Biochem Bv	Process for manufacturing cooked meat products
KR101704563B1 (ko)	2015-10-12	2017-02-08	한국화학연구원	락타이드 정제공정을 이용한 락타이드 제조방법 및 제조장치
CN105440011A (zh) *	2015-12-17	2016-03-30	常州大学	一种快速提纯久置环酯的方法
CN106397388B (zh) *	2016-09-07	2019-02-01	南京大学科技园发展有限公司	一种粗品环酯纯化制备高纯度环酯的工艺
WO2018130576A1 (en)	2017-01-10	2018-07-19	Mitsubishi Hitec Paper Europe Gmbh	Novel colour developer for a thermo-sensitive recording medium, and a heat-sensitive recording material based on pla
CN106892894B (zh) *	2017-03-01	2021-07-02	中国科学院长春应用化学研究所	一种高光学纯度丙交酯的制备方法
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
CN114478470B (zh) *	2020-10-28	2024-04-19	中国石油化工股份有限公司	一种提纯丙交酯的方法
CN116063270B (zh)	2021-10-31	2024-08-06	中国石油化工股份有限公司	一种梯级控制连续制备丙交酯的方法及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0261572A1 (de) *	1986-09-20	1988-03-30	Boehringer Ingelheim Kg	Verfahren zur Herstellung von Lactid
DD301436A7 (de) *	1988-06-23	1993-01-21	Inst Polymerenchemie Der Adw	Verfahren zur reinigung von 1,4-dioxan-2,5-dion oder d,l- bzw. l,l-3,6-dimethyl-1,4-dioxan-2,5-dion
US5274127A (en) *	1990-09-18	1993-12-28	Biopak Technology, Ltd.	Lactide production from dehydration of aqueous lactic acid feed
DE3917178A1 (de) *	1989-05-26	1990-11-29	Boehringer Ingelheim Kg	Verbessertes verfahren zur herstellung von d,l-lactid
AU8283391A (en) *	1990-07-13	1992-02-04	E.I. Du Pont De Nemours And Company	High yield recycle process for lactide

1993
- 1993-12-08 JP JP5308346A patent/JPH07165753A/ja active Pending
1994
- 1994-11-29 FI FI945636A patent/FI117052B/fi not_active IP Right Cessation
- 1994-12-02 US US08/348,305 patent/US5502215A/en not_active Expired - Lifetime
- 1994-12-06 DE DE69405201T patent/DE69405201T2/de not_active Expired - Lifetime
- 1994-12-06 EP EP94309048A patent/EP0657447B1/en not_active Expired - Lifetime
- 1994-12-08 CN CN94112795A patent/CN1060170C/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH07165753A (ja)	1995-06-27
EP0657447B1 (en)	1997-08-27
EP0657447A1 (en)	1995-06-14
FI945636A (fi)	1995-06-09
CN1060170C (zh)	2001-01-03
FI117052B (fi)	2006-05-31
DE69405201T2 (de)	1998-01-29
DE69405201D1 (de)	1997-10-02
CN1112559A (zh)	1995-11-29
US5502215A (en)	1996-03-26

Publication	Publication Date	Title
FI945636A0 (fi)	1994-11-29	Menetelmä laktidin puhdistamiseksi
FI953883A0 (fi)	1995-08-17	Menetelmä maitohapon erottamiseksi ja puhdistamiseksi
DE69329461D1 (de)	2000-10-26	Verfahren zur extraktion und reinigung von hamoglobin
FI961905A0 (fi)	1996-05-03	Menetelmä hiilihydraattien hapettamiseksi
NO975159D0 (no)	1997-11-10	Fremgangsmåte for kontroll av biologisk nedbrytning
DE69803212D1 (de)	2002-02-21	Depolymerisationsverfahren zur wiedergewinnung von polyestern
DE69214905D1 (de)	1996-12-05	Verfahren zur Kontrolle von elektroosmotischem Abfluss
FI954649A0 (fi)	1995-09-29	Hyytymistekijä VII:n puhdistus
FI954119A (fi)	1995-10-25	Menetelmä kiinteän jätteen käsittelemiseksi
FI962041A (fi)	1996-06-14	Hemoglobiinin puhdistus
FI954037A (fi)	1996-08-22	Menetelmä karboksyylihapon puhdistamiseksi
DE69405488D1 (de)	1997-10-16	Verfahren zur Reinigung von Diarylcarbonaten
DE69316385D1 (de)	1998-02-19	Verfahren zur reinigung von acetanhydrid
DK39592D0 (da)	1992-03-25	Method of detecting microorganisms
DE69312205D1 (de)	1997-08-21	Reinigungsmethode von Rohprodukt
DE69305411D1 (de)	1996-11-21	Verfahren zur Beseitigung von Mikroorganismen
FI954167A (fi)	1996-03-07	Menetelmä lauhteiden puhdistamiseksi
DE69630038D1 (de)	2003-10-23	Verfahren zur herstellung und aufreinigung von enzymen
BR9304004A (pt)	1994-06-07	Método de tratamento de arrozal
DE69717846D1 (de)	2003-01-23	Behandlungsverfahren von laktamen
FI945946A (fi)	1995-01-18	Menetelmä fosforin poistamiseksi
DE69510292D1 (de)	1999-07-22	Reinigungsverfahren von Polyhydroxycarbonsäure
DE69321488D1 (de)	1998-11-12	Verfahren zur extraktion und reinigung von alkaloiden
DE59305081D1 (de)	1997-02-20	Verfahren zur herstellung von hexafluorchlorbutenen
DE69428925D1 (de)	2001-12-06	Verfahren zur Reinigung von 1,1,1,2,2-Pentafluoroethan

Legal Events

Date	Code	Title	Description
2006-05-31	FG	Patent granted	Ref document number: 117052 Country of ref document: FI
2014-12-18	MA	Patent expired

Date

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2006-05-31

Patent granted

Ref document number: 117052

Country of ref document: FI

2014-12-18

Patent expired