DE60133013D1 - 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: DE60133013D1
Authority: DE; Germany
Prior art keywords: alpha; hydroxy acid; crystallization; acid solution; concentrated
Prior art date: 2000-09-15
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

Application number

DE60133013T

Other languages

English (en)

Other versions

DE60133013T3 (de

DE60133013T2 (de

Inventor

Krieken Jan Van

Breugel Jan Van

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Purac Biochem BV

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

2008-04-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19772098&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60133013(D1) "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

2008-04-10 Publication of DE60133013D1 publication Critical patent/DE60133013D1/de

2009-02-26 Application granted granted Critical

2009-02-26 Publication of DE60133013T2 publication Critical patent/DE60133013T2/de

2012-02-23 Publication of DE60133013T3 publication Critical patent/DE60133013T3/de

2021-09-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- 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)

DE60133013T 2000-09-15 2001-09-14 Verfahren zur reinigung von einer alpha-hydroxysäure auf industrieller basis Expired - Lifetime DE60133013T3 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
NL1016202		2000-09-15
NL1016202		2000-09-15
EP01981151A EP1317409B2 (de)	2000-09-15	2001-09-14	Verfahren zur reinigung von einer alpha-hydroxysäure auf industrieller basis
PCT/NL2001/000683 WO2002022545A1 (en)	2000-09-15	2001-09-14	METHOD FOR THE PURIFICATION OF α-HYDROXI ON INDUSTRIAL SCALE _______________________________________________________

Publications (3)

Publication Number	Publication Date
DE60133013D1 true DE60133013D1 (de)	2008-04-10
DE60133013T2 DE60133013T2 (de)	2009-02-26
DE60133013T3 DE60133013T3 (de)	2012-02-23

Family

ID=19772098

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE60133013T Expired - Lifetime DE60133013T3 (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 (5)

* 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
JPWO2022025110A1 (de) *	2020-07-31	2022-02-03

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
DE69119234T2 (de) *	1990-09-20	1996-11-28	Du Pont	Verfahren zur herstellung von reiner hydroxyessigsäure
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
DE60014047T2 (de)	1999-03-22	2006-02-23	Purac Biochem B.V.	Verfahren zur reinigung von milchsäure auf industrieller basis
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 JP JP2002526746A patent/JP2004509091A/ja active Pending
- 2001-09-14 DE DE60133013T patent/DE60133013T3/de not_active Expired - Lifetime
- 2001-09-14 WO PCT/NL2001/000683 patent/WO2002022545A1/en active IP Right Grant
- 2001-09-14 CN CNB018188753A patent/CN1281570C/zh not_active Expired - Lifetime
- 2001-09-14 US US10/380,537 patent/US7332085B2/en not_active Expired - Lifetime
- 2001-09-14 EP EP01981151A patent/EP1317409B2/de not_active Expired - Lifetime
- 2001-09-14 AU AU2002212811A patent/AU2002212811A1/en not_active Abandoned
- 2001-09-14 BR BRPI0113939A patent/BRPI0113939B8/pt not_active IP Right Cessation
- 2001-09-14 AT AT01981151T patent/ATE387420T1/de not_active IP Right Cessation
- 2001-09-14 ES ES01981151T patent/ES2302753T5/es not_active Expired - Lifetime

Also Published As

Publication number	Publication date
BRPI0113939B8 (pt)	2021-07-27
DE60133013T3 (de)	2012-02-23
ES2302753T3 (es)	2008-08-01
US7332085B2 (en)	2008-02-19
CN1592730A (zh)	2005-03-09
US20040129635A1 (en)	2004-07-08
WO2002022545A1 (en)	2002-03-21
BR0113939A (pt)	2003-07-22
BR0113939B1 (pt)	2012-09-04
JP2004509091A (ja)	2004-03-25
ES2302753T5 (es)	2011-12-12
EP1317409A1 (de)	2003-06-11
AU2002212811A1 (en)	2002-03-26
ATE387420T1 (de)	2008-03-15
EP1317409B1 (de)	2008-02-27
CN1281570C (zh)	2006-10-25
EP1317409B2 (de)	2011-07-27
DE60133013T2 (de)	2009-02-26

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Legal Events

Date

Code

Title

Description

2009-02-12

8363

Opposition against the patent

2011-07-27

R102

Epo decision maintaining patent in amended form now final

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2011-09-08

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