WO2004052825A8 - Procede continu de preparation de lactate d'ethyle - Google Patents
Procede continu de preparation de lactate d'ethyleInfo
- Publication number
- WO2004052825A8 WO2004052825A8 PCT/FR2003/003598 FR0303598W WO2004052825A8 WO 2004052825 A8 WO2004052825 A8 WO 2004052825A8 FR 0303598 W FR0303598 W FR 0303598W WO 2004052825 A8 WO2004052825 A8 WO 2004052825A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ethyl lactate
- mixture
- ethanol
- lactic acid
- water
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
- C07C69/675—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids of saturated hydroxy-carboxylic acids
- C07C69/68—Lactic acid esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03796169A EP1569891A2 (fr) | 2002-12-05 | 2003-12-05 | Procede continu de preparation de lactate d'ethyle |
JP2004558173A JP2006509024A (ja) | 2002-12-05 | 2003-12-05 | 乳酸エチルの連続製造方法 |
CA002508125A CA2508125A1 (fr) | 2002-12-05 | 2003-12-05 | Procede continu de preparation de lactate d'ethyle |
MXPA05005962A MXPA05005962A (es) | 2002-12-05 | 2003-12-05 | Procedimiento continuo de preparacion de lactato de etilo. |
BR0317047-0A BR0317047A (pt) | 2002-12-05 | 2003-12-05 | Processo contìnuo de preparo de lactato de etila |
US10/537,422 US20060041165A1 (en) | 2002-12-05 | 2003-12-05 | Continuous ethyl lactate preparation method |
AU2003298421A AU2003298421B2 (en) | 2002-12-05 | 2003-12-05 | Continuous ethyl lactate preparation method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR02/15348 | 2002-12-05 | ||
FR0215348A FR2848209B1 (fr) | 2002-12-05 | 2002-12-05 | Procede continu de preparation de lactate d'ethyle |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004052825A2 WO2004052825A2 (fr) | 2004-06-24 |
WO2004052825A3 WO2004052825A3 (fr) | 2004-07-15 |
WO2004052825A8 true WO2004052825A8 (fr) | 2005-09-15 |
Family
ID=32320010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/003598 WO2004052825A2 (fr) | 2002-12-05 | 2003-12-05 | Procede continu de preparation de lactate d'ethyle |
Country Status (11)
Country | Link |
---|---|
US (1) | US20060041165A1 (fr) |
EP (1) | EP1569891A2 (fr) |
JP (1) | JP2006509024A (fr) |
KR (1) | KR100762773B1 (fr) |
CN (1) | CN1720215A (fr) |
AU (1) | AU2003298421B2 (fr) |
BR (1) | BR0317047A (fr) |
CA (1) | CA2508125A1 (fr) |
FR (1) | FR2848209B1 (fr) |
MX (1) | MXPA05005962A (fr) |
WO (1) | WO2004052825A2 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100427453C (zh) * | 2004-08-27 | 2008-10-22 | 清华大学 | 催化精馏法合成乳酸乙酯工艺 |
US20110160480A1 (en) * | 2008-07-30 | 2011-06-30 | Galactic Sa | Continuous Process for Obtaining a Lactic Ester |
BE1019021A3 (fr) * | 2009-07-01 | 2012-01-10 | Galactic Sa | Procede de preparation de lactate d'alkyle c1-c4 de grande purete par putrification des lactates d'alkyle c1-c4 bruts. |
KR101140649B1 (ko) * | 2009-09-30 | 2012-05-03 | 한국화학연구원 | 암모늄락테이트로부터 알킬락테이트를 직접 제조하는 방법 |
KR101198866B1 (ko) | 2010-12-02 | 2012-11-07 | 한국화학연구원 | 고순도 알킬락테이트 및 젖산의 회수 방법 |
CN102381973B (zh) * | 2011-09-19 | 2014-01-29 | 南京大学 | 一种超高纯度(电子级)乳酸酯类产品的生产工艺 |
EP2842932A4 (fr) | 2012-04-27 | 2015-12-23 | Xiaogan Esun New Material Co Ltd | Procédé de production en continu d'un produit à forte teneur en lactate et d'une grande pureté optique |
US9944586B2 (en) | 2013-10-17 | 2018-04-17 | Cargill, Incorporated | Methods for producing alkyl hydroxyalkanoates |
CN106536474A (zh) * | 2014-07-10 | 2017-03-22 | 阿彻丹尼尔斯米德兰德公司 | 新颖的乳酸回收方法 |
US10239819B2 (en) | 2014-10-17 | 2019-03-26 | Cargill, Incorporated | Methods for producing an ester of an alpha, beta-unsaturated carboxylic acid |
PL229904B1 (pl) | 2015-01-08 | 2018-09-28 | Wroclawskie Centrum Badan Eit Spolka Z Ograniczona Odpowiedzialnoscia | Sposób otrzymywania estrów kwasu mlekowego i mleczanomlekowego w reakcji alkoholizy poliestru alifatycznego |
CN104876819A (zh) * | 2015-05-14 | 2015-09-02 | 安徽中草香料有限公司 | 一种乳酸异丙酯的制备方法 |
CN107032984A (zh) * | 2016-02-03 | 2017-08-11 | 天津中福工程技术有限公司 | 一种连续催化精馏制备乳酸乙酯的方法 |
KR102019037B1 (ko) * | 2017-05-26 | 2019-09-06 | 지에스칼텍스 주식회사 | 알킬 카르복실산 에스테르의 제조 방법 |
KR102151747B1 (ko) | 2018-11-23 | 2020-09-03 | 지에스칼텍스 주식회사 | 알킬 카르복실산 에스테르의 제조 방법 및 알킬 카르복실산 에스테르의 제조 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2406648A (en) * | 1942-12-08 | 1946-08-27 | Sealtest Inc | Process of preparing water-soluble alkyl lactates |
US2465772A (en) * | 1944-02-17 | 1949-03-29 | Nat Dairy Res Lab Inc | Preparation of alkyl lactates |
DD206373A1 (de) * | 1982-03-16 | 1984-01-25 | Joachim Franke | Verfahren und vorrichtung zur abtrennung von milchsaeure aus rohloesungen |
US5210296A (en) * | 1990-11-19 | 1993-05-11 | E. I. Du Pont De Nemours And Company | Recovery of lactate esters and lactic acid from fermentation broth |
US5723639A (en) * | 1995-10-16 | 1998-03-03 | University Of Chicago | Esterification of fermentation-derived acids via pervaporation |
US6664413B1 (en) * | 1998-11-19 | 2003-12-16 | A. E. Staley Manufacturing Co. | Process for production of esters |
-
2002
- 2002-12-05 FR FR0215348A patent/FR2848209B1/fr not_active Expired - Fee Related
-
2003
- 2003-12-05 BR BR0317047-0A patent/BR0317047A/pt not_active IP Right Cessation
- 2003-12-05 EP EP03796169A patent/EP1569891A2/fr not_active Withdrawn
- 2003-12-05 MX MXPA05005962A patent/MXPA05005962A/es unknown
- 2003-12-05 WO PCT/FR2003/003598 patent/WO2004052825A2/fr active Application Filing
- 2003-12-05 CA CA002508125A patent/CA2508125A1/fr not_active Abandoned
- 2003-12-05 US US10/537,422 patent/US20060041165A1/en not_active Abandoned
- 2003-12-05 CN CNA2003801049176A patent/CN1720215A/zh active Pending
- 2003-12-05 JP JP2004558173A patent/JP2006509024A/ja active Pending
- 2003-12-05 AU AU2003298421A patent/AU2003298421B2/en not_active Ceased
- 2003-12-05 KR KR1020057010224A patent/KR100762773B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MXPA05005962A (es) | 2006-02-08 |
AU2003298421A1 (en) | 2004-06-30 |
CA2508125A1 (fr) | 2004-06-24 |
CN1720215A (zh) | 2006-01-11 |
KR100762773B1 (ko) | 2007-10-04 |
FR2848209A1 (fr) | 2004-06-11 |
WO2004052825A2 (fr) | 2004-06-24 |
FR2848209B1 (fr) | 2006-10-13 |
US20060041165A1 (en) | 2006-02-23 |
JP2006509024A (ja) | 2006-03-16 |
EP1569891A2 (fr) | 2005-09-07 |
KR20050084179A (ko) | 2005-08-26 |
BR0317047A (pt) | 2005-10-25 |
AU2003298421B2 (en) | 2008-04-24 |
WO2004052825A3 (fr) | 2004-07-15 |
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