FI945636L - Menetelmä laktidin puhdistamiseksi - Google Patents

Menetelmä laktidin puhdistamiseksi Download PDF

Info

Publication number: FI945636L
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

FI117052B (fi

FI945636A0 (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

1995-06-09

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 FI945636L publication Critical patent/FI945636L/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
JP5308346A JPH07165753A (ja)	1993-12-08	1993-12-08	ラクチドの精製方法
JP30834693		1993-12-08

Publications (3)

Publication Number	Publication Date
FI945636A0 FI945636A0 (fi)	1994-11-29
FI945636L true FI945636L (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
WO2000056693A1 (en) *	1999-03-22	2000-09-28	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
KR101683110B1 (ko) *	2008-08-29	2016-12-07	우데 인벤타-피셔 게엠바하	락티드 유도체의 혼합물의 생성 방법
CN102625802B (zh) *	2009-03-13	2016-03-23	自然工作有限责任公司	利用内消旋丙交酯再循环来制备丙交酯的方法
ES2524988T3 (es)	2010-02-26	2014-12-16	Council Of Scientific & Industrial Research	Procedimiento mejorado para la preparación de L-lactida de rendimiento químico y pureza óptica altos
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
JP2014521601A (ja) *	2011-07-15	2014-08-28	プラクシカ・リミテッド	分離方法
US20150152449A1 (en) *	2012-06-11	2015-06-04	Plaxica Limited	Lactate Production Process
CN104395400A (zh) *	2012-07-20	2015-03-04	尤尼吉可株式会社	聚乳酸系树脂组合物和使用其而成的成型体
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
EP3505358A1 (en)	2017-01-10	2019-07-03	Mitsubishi HiTec Paper Europe GmbH	Novel colour developer for a thermo-sensitive recording medium
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
EP0591188A1 (en) *	1990-07-13	1994-04-13	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
FI117052B (fi)	2006-05-31
EP0657447A1 (en)	1995-06-14
JPH07165753A (ja)	1995-06-27
DE69405201T2 (de)	1998-01-29
DE69405201D1 (de)	1997-10-02
FI945636A0 (fi)	1994-11-29
EP0657447B1 (en)	1997-08-27
US5502215A (en)	1996-03-26
CN1060170C (zh)	2001-01-03
CN1112559A (zh)	1995-11-29

Publication	Publication Date	Title
FI945636L (fi)	1995-06-09	Menetelmä laktidin puhdistamiseksi
FI954423L (fi)	1995-09-19	Menetelmä taksoidien puhdistamiseksi
FI951596L (fi)	1995-04-04	Menetelmä 10-desasetyylibakkatiini-III:n saamiseksi
FI956135A0 (fi)	1995-12-20	Erotusmenetelmä
FI961071A7 (fi)	1996-05-07	Menetelmä zeoliitin valmistamiseksi
FI962069L (fi)	1996-05-15	Menetelmä karpolaktaamin valmistamiseksi
FI944619A7 (fi)	1994-10-04	Aldolisointi-dehydratointimenetelmä
FI960869L (fi)	1996-02-26	Menetelmä aineiden konditioimiseksi
FI950302A7 (fi)	1995-01-24	Menetelmä kreatiinivaraston lisäämiseksi
DE69432015D1 (de)	2003-02-20	Verfahren
FI955132A7 (fi)	1995-10-27	Menetelmä sementin tuottamiseksi
DE69414001D1 (de)	1998-11-19	Bestimmungsmethode
FI954119A0 (fi)	1995-09-01	Menetelmä kiinteän jätteen käsittelemiseksi
FI952392A7 (fi)	1995-05-17	Katalyyttinen menetelmä
FI972150L (fi)	1997-05-20	Menetelmä kalsiumkarbonaatin puhdistamiseksi
FI944631L (fi)	1996-04-05	Menetelmä jäteveden puhdistamiseksi
FI921621L (fi)	1992-10-13	Sprutmetod foer braensle
FI955800L (fi)	1995-12-01	Menetelmä aminoalkyyliganidiinien valmistamiseksi
FI19992039A7 (fi)	1999-09-23	Menetelmä atsepinonien valmistamiseksi
FI950983L (fi)	1996-09-04	Menetelmä lääkaineiden puhdistamiseksi
FI931850L (fi)	1994-10-24	Menetelmä välituotteen valmistamiseksi
FI925506L (fi)	1994-06-05	Menetelmä jätevesien puhdistamiseksi
DK96392D0 (da)	1992-07-27	Modifikationsmetode
FI945877L (fi)	1995-06-16	Menetelmä proteiini C:n tuottamiseksi
FI921885A7 (fi)	1992-10-30	Menetelmä hepariinin puhdistamiseksi

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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Title

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2006-05-31

Patent granted

Ref document number: 117052

Country of ref document: FI

2014-12-18

Patent expired