DE60118231D1 - Verfahren zur reinigung von alpha-hydroxysäuren auf industrieller basis - Google Patents
Verfahren zur reinigung von alpha-hydroxysäuren auf industrieller basisInfo
- Publication number
- DE60118231D1 DE60118231D1 DE60118231T DE60118231T DE60118231D1 DE 60118231 D1 DE60118231 D1 DE 60118231D1 DE 60118231 T DE60118231 T DE 60118231T DE 60118231 T DE60118231 T DE 60118231T DE 60118231 D1 DE60118231 D1 DE 60118231D1
- Authority
- DE
- Germany
- Prior art keywords
- cleaning
- alpha
- industrial basis
- hydroxylic acids
- alpha hydroxylic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1016203 | 2000-09-15 | ||
NL1016203 | 2000-09-15 | ||
PCT/NL2001/000682 WO2002022544A1 (en) | 2000-09-15 | 2001-09-14 | Method for the purification of α-hydroxy acids on an industrial scale |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60118231D1 true DE60118231D1 (de) | 2006-05-11 |
DE60118231T2 DE60118231T2 (de) | 2006-12-28 |
Family
ID=19772099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60118231T Expired - Lifetime DE60118231T2 (de) | 2000-09-15 | 2001-09-14 | Verfahren zur reinigung von alpha-hydroxysäuren auf industrieller basis |
Country Status (10)
Country | Link |
---|---|
US (1) | US7223885B2 (de) |
EP (1) | EP1317407B1 (de) |
JP (2) | JP4895337B2 (de) |
CN (1) | CN1294112C (de) |
AT (1) | ATE321018T1 (de) |
AU (1) | AU2002211056A1 (de) |
BR (1) | BR0113940B1 (de) |
DE (1) | DE60118231T2 (de) |
ES (1) | ES2260297T3 (de) |
WO (1) | WO2002022544A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7223885B2 (en) | 2000-09-15 | 2007-05-29 | Purac Biochem B.V. | Method for the purification of a-hydroxy acids on an industrial scale |
JP5280007B2 (ja) * | 2006-08-02 | 2013-09-04 | 株式会社クレハ | ヒドロキシカルボン酸の精製方法、環状エステルの製造方法およびポリヒドロキシカルボン酸の製造方法 |
US7439391B2 (en) * | 2006-10-12 | 2008-10-21 | E.I. Du Pont De Nemours And Company | Multi-stage glycolic acid crystallization |
BE1018561A3 (fr) * | 2008-12-24 | 2011-03-01 | Galactic Sa | Procede de purification de l'acide lactique par cristallisation. |
PL2275399T3 (pl) * | 2009-07-16 | 2014-01-31 | Purac Biochem Bv | Ciekła kompozycja kwasu mlekowego i sposób jej otrzymywania |
US9227896B2 (en) | 2010-08-18 | 2016-01-05 | Eastman Chemical Company | Process for the separation and purification of a mixed diol stream |
US8829248B2 (en) | 2010-08-18 | 2014-09-09 | Eastman Chemical Company | Method for recovery and recycle of ruthenium homogeneous catalysts |
US8466328B2 (en) | 2010-08-18 | 2013-06-18 | Eastman Chemical Company | Method for recovery and recycle of ruthenium homogeneous catalysts |
US8709376B2 (en) | 2010-09-23 | 2014-04-29 | Eastman Chemical Company | Process for recovering and recycling an acid catalyst |
US8785686B2 (en) | 2010-09-23 | 2014-07-22 | Eastman Chemical Company | Process for recovering and recycling an acid catalyst |
CN102531883B (zh) * | 2010-12-28 | 2014-03-26 | 中国科学院大连化学物理研究所 | 一种连续生产乙醇酸的方法 |
FR2974804B1 (fr) | 2011-05-06 | 2013-05-03 | Roquette Freres | Procede de preparation d'un acide glycolique de haute purete |
US8765999B2 (en) | 2012-03-27 | 2014-07-01 | Eastman Chemical Company | Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst |
US8829234B2 (en) | 2012-03-27 | 2014-09-09 | Eastman Chemical Company | Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and heterogeneous catalyst |
US8703999B2 (en) | 2012-03-27 | 2014-04-22 | Eastman Chemical Company | Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst |
US8927766B2 (en) | 2012-03-27 | 2015-01-06 | Eastman Chemical Company | Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst |
US9040748B2 (en) | 2012-06-08 | 2015-05-26 | Eastman Chemical Company | Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration |
CN102992990B (zh) * | 2012-10-15 | 2014-06-18 | 常州协丰医药研发有限公司 | 一种光学纯手性α-羟基烷基羧酸的制备方法 |
CN103694108B (zh) * | 2013-12-17 | 2015-10-28 | 河南金丹乳酸科技股份有限公司 | 利用晶体乳酸连续生产液体乳酸的设备和方法 |
WO2016162712A1 (en) | 2015-04-07 | 2016-10-13 | Metabolic Explorer | Modified microorganism for the optimized production of 2,4-dihydroxyburyrate |
US10858675B2 (en) | 2015-04-07 | 2020-12-08 | Metabolic Explorer | Modified microorganism for the optimized production of 2,4-dihydroxybutyrate with enhanced 2,4-dihydroxybutyrate efflux |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE593657C (de) | 1931-07-16 | 1934-03-01 | Byk Guldenwerke Chem Fab Akt G | Verfahren zur Herstellung von fester Milchsaeure |
JPS50116461A (de) * | 1974-03-01 | 1975-09-11 | ||
JPH0454152A (ja) * | 1990-06-20 | 1992-02-21 | Sumikin Chem Co Ltd | ナフタレンカルボン酸エステルの精製方法 |
CA2091906A1 (en) * | 1990-09-20 | 1992-03-21 | Robert Dicosimo | Manufacture of high-purity hydroxyacetic acid |
JPH0578277A (ja) * | 1991-03-04 | 1993-03-30 | Nikko Kyodo Co Ltd | 3,3,3−トリフルオロ乳酸の製造方法及び光学純度の向上法 |
US5510526A (en) * | 1993-06-29 | 1996-04-23 | Cargill, Incorporated | Lactic acid production, separation and/or recovery process |
DE19632924A1 (de) * | 1996-08-16 | 1998-02-19 | Bayer Ag | Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung |
BE1011197A3 (fr) * | 1997-06-06 | 1999-06-01 | Brussels Biotech En Abrege Bb | Procede de purification d'acide lactique. |
CN1083826C (zh) * | 1999-01-22 | 2002-05-01 | 梁宇 | 一步法乳酸提纯工艺制备高纯耐热乳酸的方法及其设备 |
JP2002540090A (ja) * | 1999-03-22 | 2002-11-26 | ピユラク・バイオケム・ベー・ブイ | 乳酸を産業規模で精製する方法 |
US7223885B2 (en) | 2000-09-15 | 2007-05-29 | Purac Biochem B.V. | Method for the purification of a-hydroxy acids on an industrial scale |
-
2001
- 2001-09-14 US US10/380,706 patent/US7223885B2/en not_active Expired - Lifetime
- 2001-09-14 WO PCT/NL2001/000682 patent/WO2002022544A1/en active IP Right Grant
- 2001-09-14 JP JP2002526745A patent/JP4895337B2/ja not_active Expired - Fee Related
- 2001-09-14 DE DE60118231T patent/DE60118231T2/de not_active Expired - Lifetime
- 2001-09-14 EP EP01979067A patent/EP1317407B1/de not_active Expired - Lifetime
- 2001-09-14 AT AT01979067T patent/ATE321018T1/de not_active IP Right Cessation
- 2001-09-14 AU AU2002211056A patent/AU2002211056A1/en not_active Abandoned
- 2001-09-14 BR BRPI0113940-1A patent/BR0113940B1/pt not_active IP Right Cessation
- 2001-09-14 CN CNB018188737A patent/CN1294112C/zh not_active Expired - Lifetime
- 2001-09-14 ES ES01979067T patent/ES2260297T3/es not_active Expired - Lifetime
-
2011
- 2011-06-13 JP JP2011131188A patent/JP5595336B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU2002211056A1 (en) | 2002-03-26 |
JP4895337B2 (ja) | 2012-03-14 |
EP1317407A1 (de) | 2003-06-11 |
US20040249206A1 (en) | 2004-12-09 |
JP2004509090A (ja) | 2004-03-25 |
CN1294112C (zh) | 2007-01-10 |
JP2011201917A (ja) | 2011-10-13 |
JP5595336B2 (ja) | 2014-09-24 |
ATE321018T1 (de) | 2006-04-15 |
US7223885B2 (en) | 2007-05-29 |
BR0113940A (pt) | 2003-07-22 |
WO2002022544A1 (en) | 2002-03-21 |
BR0113940B1 (pt) | 2012-05-02 |
CN1630628A (zh) | 2005-06-22 |
DE60118231T2 (de) | 2006-12-28 |
EP1317407B1 (de) | 2006-03-22 |
ES2260297T3 (es) | 2006-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |