ATE387420T1 - Verfahren zur reinigung von einer alpha- hydroxysäure auf industrieller basis - Google Patents

Verfahren zur reinigung von einer alpha- hydroxysäure auf industrieller basis

Info

Publication number: ATE387420T1
Authority: AT; Austria
Prior art keywords: hydroxy acid; alpha; crystallization; acid solution; concentrated
Prior art date: 2000-09-15

Application number

AT01981151T

Other languages

English (en)

Inventor

Krieken Jan Van

Breugel Jan Van

Original Assignee

Purac Biochem Bv

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.)

2000-09-15

Filing date

2001-09-14

Publication date

2008-03-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19772098&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE387420(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2001-09-14 Application filed by Purac Biochem Bv filed Critical Purac Biochem Bv

2008-03-15 Application granted granted Critical

2008-03-15 Publication of ATE387420T1 publication Critical patent/ATE387420T1/de

Links

150000001280 alpha hydroxy acids Chemical class 0.000 title abstract 10
229940061720 alpha hydroxy acid Drugs 0.000 title abstract 9
238000000034 method Methods 0.000 title abstract 3
238000002425 crystallisation Methods 0.000 abstract 7
230000008025 crystallization Effects 0.000 abstract 7
230000015572 biosynthetic process Effects 0.000 abstract 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
239000008346 aqueous phase Substances 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1
238000001704 evaporation Methods 0.000 abstract 1
230000008020 evaporation Effects 0.000 abstract 1
238000000605 extraction Methods 0.000 abstract 1
238000002844 melting Methods 0.000 abstract 1
230000008018 melting Effects 0.000 abstract 1
238000000746 purification Methods 0.000 abstract 1

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
- 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Crystallography & Structural Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Detergent Compositions (AREA)

AT01981151T 2000-09-15 2001-09-14 Verfahren zur reinigung von einer alpha- hydroxysäure auf industrieller basis ATE387420T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL1016202		2000-09-15

Publications (1)

Publication Number	Publication Date
ATE387420T1 true ATE387420T1 (de)	2008-03-15

Family

ID=19772098

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT01981151T ATE387420T1 (de)	2000-09-15	2001-09-14	Verfahren zur reinigung von einer alpha- hydroxysäure auf industrieller basis

Country Status (10)

Country	Link
US (1)	US7332085B2 (de)
EP (1)	EP1317409B2 (de)
JP (1)	JP2004509091A (de)
CN (1)	CN1281570C (de)
AT (1)	ATE387420T1 (de)
AU (1)	AU2002212811A1 (de)
BR (1)	BRPI0113939B8 (de)
DE (1)	DE60133013T3 (de)
ES (1)	ES2302753T5 (de)
WO (1)	WO2002022545A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101440012A (zh) *	2007-11-23	2009-05-27	赢创德固赛有限责任公司	纯化α-氧代羧酸的方法
BE1018561A3 (fr)	2008-12-24	2011-03-01	Galactic Sa	Procede de purification de l'acide lactique par cristallisation.
CN103508878B (zh) *	2012-06-27	2016-05-18	上海浦景化工技术股份有限公司	一种由乙醇酸甲酯制备高纯度乙醇酸晶体的方法
CN109096097A (zh) *	2018-08-30	2018-12-28	河北乐开节能科技股份有限公司	一种制取高纯度聚合级结晶乳酸的方法
CN116234793A (zh) *	2020-07-31	2023-06-06	三菱瓦斯化学株式会社	α－羟基羧酸组合物的制造方法
CN115872850B (zh) *	2021-09-29	2025-09-26	中国石油化工股份有限公司	一种从聚乙醇酸中回收乙醇酸的方法及其应用

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
US2474046A (en) *	1945-10-19	1949-06-21	Rhinelander Paper Company	Process of producing lactic acid
US2967880A (en) *	1957-10-21	1961-01-10	Boehringer Sohn Ingelheim	Carbamic acid glycol esters
DE1468126A1 (de) *	1962-04-26	1968-12-05	Knapsack Ag	Verfahren zur kontinuierlichen Gewinnung,Reinigung und Isolierung von Milchsaeure
US4334095A (en) †	1980-10-06	1982-06-08	Miles Laboratories, Inc.	Extraction of organic acids from aqueous solutions
DE3415141A1 (de)	1984-04-21	1985-10-31	Basf Ag, 6700 Ludwigshafen	Verfahren zur isolierung von milchsaeure aus feststoffhaltigen waessrigen loesungen
US4698303A (en) *	1985-02-15	1987-10-06	Engenics, Inc.	Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification
JPH06501268A (ja)	1990-09-20	1994-02-10	イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー	高純度のヒドロキシ酢酸の製造
EP0563455A1 (de)	1992-03-31	1993-10-06	Purac Biochem B.V.	Klumpinhibitor für teilchenformige feste Stoffe
US5510526A (en) *	1993-06-29	1996-04-23	Cargill, Incorporated	Lactic acid production, separation and/or recovery process
JPH0733704A (ja)	1993-07-23	1995-02-03	Mitsubishi Chem Corp	脂肪族α−オキシ酸の濃縮方法
US5426219A (en) *	1993-07-26	1995-06-20	A.E. Staley Manufacturing Co.	Process for recovering organic acids
IL109724A (en) †	1994-05-23	1999-11-30	Innova Sa	Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer
JP3881044B2 (ja)	1995-08-28	2007-02-14	大塚化学ホールディングス株式会社	グリコール酸水溶液の製造法
DE19632924A1 (de) *	1996-08-16	1998-02-19	Bayer Ag	Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung
US6229046B1 (en) *	1997-10-14	2001-05-08	Cargill, Incorported	Lactic acid processing methods arrangements and products
WO2000056693A1 (en)	1999-03-22	2000-09-28	Purac Biochem B.V.	Method of industrial-scale purification of lactic acid
NL1013265C2 (nl) †	1999-10-12	2001-04-17	Purac Biochem Bv	Continueproces voor het bereiden van melkzuur.
NL1013682C2 (nl)	1999-11-26	2001-05-30	Purac Biochem Bv	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.

2001
- 2001-09-14 DE DE60133013T patent/DE60133013T3/de not_active Expired - Lifetime
- 2001-09-14 ES ES01981151T patent/ES2302753T5/es not_active Expired - Lifetime
- 2001-09-14 EP EP01981151A patent/EP1317409B2/de not_active Expired - Lifetime
- 2001-09-14 JP JP2002526746A patent/JP2004509091A/ja active Pending
- 2001-09-14 US US10/380,537 patent/US7332085B2/en not_active Expired - Lifetime
- 2001-09-14 BR BRPI0113939A patent/BRPI0113939B8/pt not_active IP Right Cessation
- 2001-09-14 CN CNB018188753A patent/CN1281570C/zh not_active Expired - Lifetime
- 2001-09-14 AU AU2002212811A patent/AU2002212811A1/en not_active Abandoned
- 2001-09-14 AT AT01981151T patent/ATE387420T1/de not_active IP Right Cessation
- 2001-09-14 WO PCT/NL2001/000683 patent/WO2002022545A1/en not_active Ceased

Also Published As

Publication number	Publication date
US20040129635A1 (en)	2004-07-08
WO2002022545A1 (en)	2002-03-21
AU2002212811A1 (en)	2002-03-26
BRPI0113939B8 (pt)	2021-07-27
CN1592730A (zh)	2005-03-09
BR0113939B1 (pt)	2012-09-04
ES2302753T3 (es)	2008-08-01
EP1317409B1 (de)	2008-02-27
ES2302753T5 (es)	2011-12-12
EP1317409B2 (de)	2011-07-27
CN1281570C (zh)	2006-10-25
DE60133013T2 (de)	2009-02-26
US7332085B2 (en)	2008-02-19
EP1317409A1 (de)	2003-06-11
DE60133013D1 (de)	2008-04-10
JP2004509091A (ja)	2004-03-25
BR0113939A (pt)	2003-07-22
DE60133013T3 (de)	2012-02-23

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Legal Events

Date	Code	Title	Description
2008-08-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties