ATE321018T1 - Verfahren zur reinigung von alpha-hydroxysäuren auf industrieller basis - Google Patents
Verfahren zur reinigung von alpha-hydroxysäuren auf industrieller basisInfo
- Publication number
- ATE321018T1 ATE321018T1 AT01979067T AT01979067T ATE321018T1 AT E321018 T1 ATE321018 T1 AT E321018T1 AT 01979067 T AT01979067 T AT 01979067T AT 01979067 T AT01979067 T AT 01979067T AT E321018 T1 ATE321018 T1 AT E321018T1
- Authority
- AT
- Austria
- Prior art keywords
- hydroxy acids
- alpha
- industrial base
- purifying alpha
- purifying
- Prior art date
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1016203 | 2000-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE321018T1 true ATE321018T1 (de) | 2006-04-15 |
Family
ID=19772099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01979067T ATE321018T1 (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 |
---|---|---|---|---|
ES2260297T3 (es) | 2000-09-15 | 2006-11-01 | Purac Biochem B.V. | Metodo para la purificacion de alfa-hidroxiacidos a escala industrial. |
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 |
US8466328B2 (en) | 2010-08-18 | 2013-06-18 | Eastman Chemical Company | Method for recovery and recycle of ruthenium homogeneous catalysts |
US8829248B2 (en) | 2010-08-18 | 2014-09-09 | Eastman Chemical Company | Method for recovery and recycle of ruthenium homogeneous catalysts |
US9227896B2 (en) | 2010-08-18 | 2016-01-05 | Eastman Chemical Company | Process for the separation and purification of a mixed diol stream |
US8785686B2 (en) | 2010-09-23 | 2014-07-22 | Eastman Chemical Company | Process for recovering and recycling an acid catalyst |
US8709376B2 (en) | 2010-09-23 | 2014-04-29 | 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 |
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 |
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 |
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 |
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 |
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 |
CN107771214B (zh) | 2015-04-07 | 2022-01-18 | 代谢探索者公司 | 用于具有增加的2,4-二羟基丁酸外排物的优化的2,4-二羟基丁酸产生的修饰的微生物 |
US10415062B2 (en) | 2015-04-07 | 2019-09-17 | Metabolic Explorer | Modified microorganism for the optimized production of 2,4-dihydroxybutyrate |
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 |
WO1992005138A1 (en) | 1990-09-20 | 1992-04-02 | E.I. Du Pont De Nemours And Company | 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 |
ES2225112T3 (es) * | 1999-03-22 | 2005-03-16 | Purac Biochem Bv | Procedimiento de purificacion de acido lactico a escala industrial. |
ES2260297T3 (es) | 2000-09-15 | 2006-11-01 | Purac Biochem B.V. | Metodo para la purificacion de alfa-hidroxiacidos a escala industrial. |
-
2001
- 2001-09-14 ES ES01979067T patent/ES2260297T3/es 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 CN CNB018188737A patent/CN1294112C/zh not_active Expired - Lifetime
- 2001-09-14 DE DE60118231T patent/DE60118231T2/de not_active Expired - Lifetime
- 2001-09-14 BR BRPI0113940-1A patent/BR0113940B1/pt not_active IP Right Cessation
- 2001-09-14 EP EP01979067A patent/EP1317407B1/de not_active Expired - Lifetime
- 2001-09-14 AU AU2002211056A patent/AU2002211056A1/en not_active Abandoned
- 2001-09-14 US US10/380,706 patent/US7223885B2/en not_active Expired - Lifetime
- 2001-09-14 AT AT01979067T patent/ATE321018T1/de not_active IP Right Cessation
-
2011
- 2011-06-13 JP JP2011131188A patent/JP5595336B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1630628A (zh) | 2005-06-22 |
JP5595336B2 (ja) | 2014-09-24 |
JP4895337B2 (ja) | 2012-03-14 |
BR0113940A (pt) | 2003-07-22 |
US20040249206A1 (en) | 2004-12-09 |
WO2002022544A1 (en) | 2002-03-21 |
JP2004509090A (ja) | 2004-03-25 |
US7223885B2 (en) | 2007-05-29 |
EP1317407B1 (de) | 2006-03-22 |
CN1294112C (zh) | 2007-01-10 |
BR0113940B1 (pt) | 2012-05-02 |
JP2011201917A (ja) | 2011-10-13 |
EP1317407A1 (de) | 2003-06-11 |
DE60118231T2 (de) | 2006-12-28 |
ES2260297T3 (es) | 2006-11-01 |
DE60118231D1 (de) | 2006-05-11 |
AU2002211056A1 (en) | 2002-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |