ATE272041T1 - Herstellung von milchsäure durch verdampfungs- kristallisationsverfahren - Google Patents

Herstellung von milchsäure durch verdampfungs- kristallisationsverfahren

Info

Publication number: ATE272041T1
Authority: AT; Austria
Prior art keywords: lactic acid; production; crystallization process; evaporation crystallization; solution
Prior art date: 2000-05-23

Application number

AT01401344T

Other languages

English (en)

Inventor

Eric Dubois

Catherine Fouache

Original Assignee

Roquette Freres

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.)

2000-05-23

Filing date

2001-05-22

Publication date

2004-08-15

2001-05-22 Application filed by Roquette Freres filed Critical Roquette Freres

2004-08-15 Application granted granted Critical

2004-08-15 Publication of ATE272041T1 publication Critical patent/ATE272041T1/de

Links

JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title abstract 6
235000014655 lactic acid Nutrition 0.000 title abstract 3
239000004310 lactic acid Substances 0.000 title abstract 3
238000001704 evaporation Methods 0.000 title abstract 2
238000002425 crystallisation Methods 0.000 title 1
230000008025 crystallization Effects 0.000 title 1
230000008020 evaporation Effects 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
239000000243 solution Substances 0.000 abstract 3
239000002253 acid Substances 0.000 abstract 2
150000003893 lactate salts Chemical class 0.000 abstract 1
239000012266 salt solution Substances 0.000 abstract 1
150000003839 salts Chemical class 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
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids

Landscapes

Chemical & Material Sciences (AREA)
Organic 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)

AT01401344T 2000-05-23 2001-05-22 Herstellung von milchsäure durch verdampfungs- kristallisationsverfahren ATE272041T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0006586A FR2809393B1 (fr)	2000-05-23	2000-05-23	Procede de preparation d'acide lactique par evapocristallisation

Publications (1)

Publication Number	Publication Date
ATE272041T1 true ATE272041T1 (de)	2004-08-15

Family

ID=8850527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT01401344T ATE272041T1 (de)	2000-05-23	2001-05-22	Herstellung von milchsäure durch verdampfungs- kristallisationsverfahren

Country Status (7)

Country	Link
US (1)	US6384276B2 (de)
EP (1)	EP1157980B1 (de)
AT (1)	ATE272041T1 (de)
CA (1)	CA2348052C (de)
DE (1)	DE60104481T2 (de)
ES (1)	ES2225436T3 (de)
FR (1)	FR2809393B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7041468B2 (en) *	2001-04-02	2006-05-09	Therasense, Inc.	Blood glucose tracking apparatus and methods
DE60323659D1 (de) *	2002-10-22	2008-10-30	Purac Biochem Bv	Trennung von biomasse aus milchsäurehaltigen fermentationsprodukten durch ausflockung
US7848935B2 (en) *	2003-01-31	2010-12-07	I.M.D. Soft Ltd.	Medical information event manager
CN101306992B (zh) *	2007-05-14	2011-01-19	张家港三源生物工程有限公司	L-乳酸钙连续酸化、结晶制取l-乳酸的方法
US10546295B2 (en) *	2011-09-07	2020-01-28	Elwha Llc	Computational systems and methods for regulating information flow during interactions
CN109206312A (zh) *	2017-07-03	2019-01-15	中国石化扬子石油化工有限公司	一种从d-乳酸铵发酵液中分离纯化d-乳酸的方法
CN109206310A (zh) *	2017-07-03	2019-01-15	中国石化扬子石油化工有限公司	一种从d-乳酸钙发酵液中提取d-乳酸的方法
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
CN114276233A (zh) *	2021-11-01	2022-04-05	欧尚元(天津)有限公司	一种粗l-乳酸的精制纯化方法及其纯化装置
CN116004736A (zh) *	2022-08-12	2023-04-25	吉峰久业生物科技(天津)有限公司	L-乳酸生产新工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE222741C (de) *
US1594843A (en) *	1921-08-19	1926-08-03	Du Pont	Purification of lactic acid
US2024565A (en) *	1931-10-29	1935-12-17	Standard Brands Inc	Process for the production of lactic acid
GB907321A (en) *	1958-07-10	1962-10-03	Bowmans Chemicals Ltd	Improvements in the manufacture of lactic acid
JPH02286090A (ja) *	1989-04-18	1990-11-26	Michigan Biotechnol Inst	乳酸の生産および精製方法
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
AT398982B (de)	1993-02-18	1995-02-27	Vogelbusch Gmbh	Verfahren zur abtrennung und reinigung von milchsäure
US5681728A (en) *	1995-06-07	1997-10-28	Chronopol, Inc.	Method and apparatus for the recovery and purification of organic acids
US6111137A (en)	1996-12-20	2000-08-29	Mitsui Chemicals, Inc.	Purification process of lactic acid

2000
- 2000-05-23 FR FR0006586A patent/FR2809393B1/fr not_active Expired - Fee Related
2001
- 2001-05-22 ES ES01401344T patent/ES2225436T3/es not_active Expired - Lifetime
- 2001-05-22 AT AT01401344T patent/ATE272041T1/de not_active IP Right Cessation
- 2001-05-22 EP EP01401344A patent/EP1157980B1/de not_active Expired - Lifetime
- 2001-05-22 US US09/863,104 patent/US6384276B2/en not_active Expired - Lifetime
- 2001-05-22 DE DE60104481T patent/DE60104481T2/de not_active Expired - Lifetime
- 2001-05-22 CA CA2348052A patent/CA2348052C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US6384276B2 (en)	2002-05-07
CA2348052C (fr)	2010-04-27
US20020004610A1 (en)	2002-01-10
EP1157980B1 (de)	2004-07-28
FR2809393B1 (fr)	2003-09-05
DE60104481D1 (de)	2004-09-02
DE60104481T2 (de)	2005-08-18
EP1157980A1 (de)	2001-11-28
FR2809393A1 (fr)	2001-11-30
CA2348052A1 (fr)	2001-11-23
ES2225436T3 (es)	2005-03-16

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Legal Events

Date	Code	Title	Description
2005-01-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties