NL1013682C2 - Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur. - Google Patents

Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur. Download PDF

Info

Publication number: NL1013682C2
Authority: NL; Netherlands
Prior art keywords: distillation; lactic acid; weight; pressure; distillation step
Prior art date: 1999-11-26

Application number

NL1013682A

Other languages

English (en)

Dutch (nl)

Inventor

Jan Van Breugel

Hendrik Martinus Winkelaar

Margarita Camprubi Vila

Josu Maria Vidal Lancis

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.)

1999-11-26

Filing date

1999-11-26

Publication date

2001-05-30

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19770327&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL1013682(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1999-11-26 Application filed by Purac Biochem Bv filed Critical Purac Biochem Bv

1999-11-26 Priority to NL1013682A priority Critical patent/NL1013682C2/nl

2000-11-27 Priority to EP00989029A priority patent/EP1232137B1/de

2000-11-27 Priority to AU25573/01A priority patent/AU2557301A/en

2000-11-27 Priority to JP2001539840A priority patent/JP5065561B2/ja

2000-11-27 Priority to AT00989029T priority patent/ATE299487T1/de

2000-11-27 Priority to BRPI0015808-9A priority patent/BR0015808B1/pt

2000-11-27 Priority to ES00989029T priority patent/ES2244494T3/es

2000-11-27 Priority to PCT/NL2000/000865 priority patent/WO2001038283A1/en

2000-11-27 Priority to CNB008162980A priority patent/CN1191225C/zh

2000-11-27 Priority to US10/130,990 priority patent/US7410556B1/en

2000-11-27 Priority to DE60021279T priority patent/DE60021279T2/de

2001-05-30 Publication of NL1013682C2 publication Critical patent/NL1013682C2/nl

2001-05-30 Application granted granted Critical

2007-07-19 Priority to US11/780,388 priority patent/US7875153B2/en

2008-04-16 Priority to US12/104,302 priority patent/US7879197B2/en

2010-11-30 Priority to BRC10015808A priority patent/BRPI0015808F1/pt

2010-12-20 Priority to US12/973,775 priority patent/US8192589B2/en

Links

238000000034 method Methods 0.000 title claims abstract description 43
239000007864 aqueous solution Substances 0.000 title claims abstract description 17
JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims description 114
235000014655 lactic acid Nutrition 0.000 title claims description 57
239000004310 lactic acid Substances 0.000 title claims description 57
238000004821 distillation Methods 0.000 claims abstract description 91
239000000243 solution Substances 0.000 claims abstract description 16
239000012535 impurity Substances 0.000 claims abstract description 8
-1 carboxylate ions Chemical class 0.000 claims abstract description 7
239000010408 film Substances 0.000 claims description 36
238000001704 evaporation Methods 0.000 claims description 21
230000008020 evaporation Effects 0.000 claims description 20
239000010409 thin film Substances 0.000 claims description 16
238000010438 heat treatment Methods 0.000 claims description 14
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
239000011552 falling film Substances 0.000 claims description 13
238000010992 reflux Methods 0.000 claims description 6
239000012808 vapor phase Substances 0.000 claims description 5
241001550224 Apha Species 0.000 claims description 4
230000000694 effects Effects 0.000 claims description 4
230000003750 conditioning effect Effects 0.000 claims description 3
239000000203 mixture Substances 0.000 claims description 3
238000000746 purification Methods 0.000 abstract description 5
238000009835 boiling Methods 0.000 abstract 2
150000007524 organic acids Chemical class 0.000 abstract 2
239000012223 aqueous fraction Substances 0.000 description 4
239000007788 liquid Substances 0.000 description 4
238000000926 separation method Methods 0.000 description 4
239000000126 substance Substances 0.000 description 3
125000002091 cationic group Chemical group 0.000 description 2
239000000498 cooling water Substances 0.000 description 2
230000007423 decrease Effects 0.000 description 2
239000007789 gas Substances 0.000 description 2
238000006384 oligomerization reaction Methods 0.000 description 2
239000002689 soil Substances 0.000 description 2
235000000346 sugar Nutrition 0.000 description 2
150000008163 sugars Chemical class 0.000 description 2
125000000129 anionic group Chemical group 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
239000000539 dimer Substances 0.000 description 1
238000000855 fermentation Methods 0.000 description 1
230000004151 fermentation Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
230000002265 prevention Effects 0.000 description 1
239000013638 trimer Substances 0.000 description 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/16—Vacuum

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)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Heat Treatment Of Water, Waste Water Or Sewage (AREA)

NL1013682A 1999-11-26 1999-11-26 Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur. NL1013682C2 (nl)

Priority Applications (15)

Application Number	Priority Date	Filing Date	Title
NL1013682A NL1013682C2 (nl)	1999-11-26	1999-11-26	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.
ES00989029T ES2244494T3 (es)	1999-11-26	2000-11-27	Purificacion de soluciones acuosas de acidos organicos.
CNB008162980A CN1191225C (zh)	1999-11-26	2000-11-27	有机酸水溶液的提纯
JP2001539840A JP5065561B2 (ja)	1999-11-26	2000-11-27	有機酸水溶液の精製
AT00989029T ATE299487T1 (de)	1999-11-26	2000-11-27	Reinigung von wässrigen lösungen von organischen säuren
BRPI0015808-9A BR0015808B1 (pt)	1999-11-26	2000-11-27	método para a purificação de uma solução aquosa de um ácido orgánico tendo um ponto de ebulição na pressão atmosférica menor do que 450 c, e, uso do método
EP00989029A EP1232137B1 (de)	1999-11-26	2000-11-27	Reinigung von wässrigen lösungen von organischen säuren
PCT/NL2000/000865 WO2001038283A1 (en)	1999-11-26	2000-11-27	Purification of aqueous solutions of organic acids
AU25573/01A AU2557301A (en)	1999-11-26	2000-11-27	Purification of aqueous solutions of organic acids
US10/130,990 US7410556B1 (en)	1999-11-26	2000-11-27	Purification of aqueous solutions of organic acids
DE60021279T DE60021279T2 (de)	1999-11-26	2000-11-27	Reinigung von wässrigen lösungen von organischen säuren
US11/780,388 US7875153B2 (en)	1999-11-26	2007-07-19	Purification of aqueous solutions of organic acids
US12/104,302 US7879197B2 (en)	1999-11-26	2008-04-16	Purification of aqueous solutions of organic acids
BRC10015808A BRPI0015808F1 (pt)	1999-11-26	2010-11-30	dispositivo de destilação à vácuo
US12/973,775 US8192589B2 (en)	1999-11-26	2010-12-20	Purification of aqueous solutions of organic acids

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL1013682A NL1013682C2 (nl)	1999-11-26	1999-11-26	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.
NL1013682		1999-11-26

Publications (1)

Publication Number	Publication Date
NL1013682C2 true NL1013682C2 (nl)	2001-05-30

Family

ID=19770327

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL1013682A NL1013682C2 (nl)	1999-11-26	1999-11-26	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.

Country Status (11)

Country	Link
US (4)	US7410556B1 (de)
EP (1)	EP1232137B1 (de)
JP (1)	JP5065561B2 (de)
CN (1)	CN1191225C (de)
AT (1)	ATE299487T1 (de)
AU (1)	AU2557301A (de)
BR (2)	BR0015808B1 (de)
DE (1)	DE60021279T2 (de)
ES (1)	ES2244494T3 (de)
NL (1)	NL1013682C2 (de)
WO (1)	WO2001038283A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7332085B2 (en)	2000-09-15	2008-02-19	Purac Biochem B.V.	Method for the purification of an α-hydroxy acid on an industrial scale
US10266856B2 (en)	2014-07-28	2019-04-23	Purac Biochem Bv	Method for the preparation of lactic acid
CN114573448A (zh) *	2022-01-29	2022-06-03	安徽丰原发酵技术工程研究有限公司	一种提取乳酸的方法

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1013682C2 (nl)	1999-11-26	2001-05-30	Purac Biochem Bv	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.
DE10135716A1 (de) *	2001-07-21	2003-02-06	Basf Ag	Verbesserter Fallfilmverdampfer zur Auftrennung von Stoffgemischen
US6632966B2 (en)	2001-08-24	2003-10-14	Purac Biochem B.V.	Method for the preparation of lactic acid and calcium sulphate dihydrate
AT412951B (de) *	2003-10-02	2005-09-26	Vtu Engineering Planungs Und B	Dünnschichtverdampfer
WO2007063098A1 (en) *	2005-11-30	2007-06-07	Purac Biochem Bv	Aqueous potassium lactate solution
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
ES2436509T3 (es)	2009-07-16	2014-01-02	Purac Biochem Bv	Composición líquida de ácido láctico y método para su preparación
JP2013505727A (ja)	2009-09-27	2013-02-21	オーピーエックスバイオテクノロジーズ，インコーポレイテッド	３−ヒドロキシプロピオン酸および他の生成物を生成するための方法
US20110125118A1 (en) *	2009-11-20	2011-05-26	Opx Biotechnologies, Inc.	Production of an Organic Acid and/or Related Chemicals
WO2011095631A1 (en)	2010-02-08	2011-08-11	Purac Biochem Bv	Process for manufacturing lactic acid
DE102010026835B4 (de) *	2010-07-11	2014-07-10	Air Liquide Global E&C Solutions Germany Gmbh	Verfahren zur Destillation von temperaturempfindlichen Flüssigkeiten
EP2882843A4 (de)	2012-08-10	2016-04-06	Opx Biotechnologies Inc	Mikroorganismen und verfahren zur herstellung von fettsäuren und aus fettsäuren gewonnenen produkten
EP2976141A4 (de)	2013-03-15	2016-10-05	Cargill Inc	Blitzverdampfung für produktionsreinigung und rückgewinnung
US20150057465A1 (en)	2013-03-15	2015-02-26	Opx Biotechnologies, Inc.	Control of growth-induction-production phases
PL2970086T3 (pl)	2013-03-15	2019-04-30	Cargill Inc	Odzyskiwanie kwasu 3-hydroksypropionowego
US11408013B2 (en)	2013-07-19	2022-08-09	Cargill, Incorporated	Microorganisms and methods for the production of fatty acids and fatty acid derived products
CN106795483A (zh)	2013-07-19	2017-05-31	嘉吉公司	用于生产脂肪酸和脂肪酸衍生产物的微生物及方法
JP5898733B2 (ja) *	2013-10-17	2016-04-06	星野科学株式会社	水蒸気蒸留装置
EP2977471A1 (de)	2014-07-23	2016-01-27	PURAC Biochem BV	Genetische Modifizierung von (S)-Milchsäure-erzeugenden thermophilen Bakterien
EP2993228B1 (de)	2014-09-02	2019-10-09	Cargill, Incorporated	Herstellung von fettsäureestern
WO2016043264A1 (ja)	2014-09-17	2016-03-24	株式会社日本触媒	乳酸を含む蒸気組成物の製造方法
BE1024147B1 (fr)	2016-05-11	2017-11-22	Galactic S.A.	Procede de purification d'une solution aqueuse d'acide lactique
WO2018144701A2 (en)	2017-02-02	2018-08-09	Cargill Incorporated	Genetically modified cells that produce c6-c10 fatty acid derivatives
WO2021139894A1 (en)	2020-01-10	2021-07-15	BluCon Biotech GmbH	Extreme thermophilic bacteria of the genus caldicellulosiruptor suitable for the conversion of cellulosic and starchy biomass
CA3136780A1 (en)	2019-04-18	2020-10-22	BluCon Biotech GmbH	Extreme thermophilic bacteria of the genus caldicellulosiruptor suitable for the conversion of cellulosic and starchy biomass
WO2021139895A1 (en)	2020-01-10	2021-07-15	BluCon Biotech GmbH	Methods of producing lactic acid from unmodified starch
KR102721328B1 (ko) *	2020-11-24	2024-10-24	주식회사 엘지화학	아크릴산의 제조 공정
KR102690123B1 (ko) *	2020-11-24	2024-07-30	주식회사 엘지화학	아크릴산의 제조 공정
AU2021428925B2 (en) *	2021-02-22	2024-06-13	Polywin Pte. Ltd.	Method and device for the production of lactide
CN115501829B (zh) *	2021-06-22	2025-07-25	上海浦景化工技术股份有限公司	适用于制备窄分子量分布聚乙醇酸的装置及其制备方法
JP7720470B2 (ja)	2021-07-13	2025-08-07	プリシジョンアナライザーカンパニーエル．ピー．	部分蒸留による石油試料の蒸留特性を決定するためのシステムおよび方法
MX2024001234A (es)	2021-07-30	2024-02-13	Purac Biochem Bv	Procedimiento para fabricar acido lactico.
US11793785B2 (en) *	2022-10-05	2023-10-24	Vapor Oil Technology LLC	Thin film oxidation of crystallized cannabis products
US12246050B2 (en)	2022-10-05	2025-03-11	Vapor Oil Technology LLC	Post extraction purification of terpenes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1594843A (en) *	1921-08-19	1926-08-03	Du Pont	Purification of lactic acid
BE1008099A3 (fr) *	1994-03-04	1996-01-16	Brussels Biotech Sa	Production semi-continue de polylactides par ouverture de cycle lactides obtenus a partir de derives d'acide lactique.
WO1998055442A1 (fr) *	1997-06-06	1998-12-10	'BRUSSELS BIOTECH' en abrégé '2B'	Procede de purification d'acide lactique

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2088624A (en) *	1930-07-18	1937-08-03	Tschudy Frederick	Process of and apparatus for treating materials
US2013096A (en) *	1933-04-13	1935-09-03	Du Pont	Purification of lactic acid
BE518997A (de) *	1952-04-24
US2885436A (en) *	1957-02-26	1959-05-05	Danske Sukkerfab	Process for the purification of lactic acid
DE1159901B (de) *	1959-09-16	1963-12-27	Leybold Hochvakuum Anlagen	Vorrichtung zur fraktionierenden Destillation unter Vakuum
FR1290212A (fr)	1961-02-27	1962-04-13	Melle Usines Sa	Procédé de décoloration et de purification de solutions impures d'acides organiques
AT274743B (de) *	1967-09-28	1969-09-25	Krems Chemie Gmbh	Verfahren und Vorrichtung zur kontinuierlichen Fraktionierung von Tallöl oder andern organischen Mehrstoffgemischen
BE759328A (fr) *	1969-11-24	1971-05-24	Rhone Poulenc Sa	Procede de separation de melanges d'acides
CS181054B1 (en) *	1974-04-10	1978-02-28	Alexander Tkac	Equipment adapted for multistage vacuum and molecular distillation with wiped off film with single evaporating body
FR2394512A1 (fr) *	1977-06-14	1979-01-12	Rhone Poulenc Ind	Procede de separation d'acide acrylique a partir de ses solutions dans le phosphate de tri-n-butyle
CS229404B1 (en) *	1981-06-22	1984-06-18	Alexander Prof Drsc Tkac	Bloc short travel evaporator with a wiped film
US4601790A (en) *	1982-07-23	1986-07-22	Hermann Stage	Process for deodorizing and/or physical refining of cocoa butter and cocoa butter substitutes
DE3339051A1 (de) *	1983-10-28	1985-05-09	Henkel KGaA, 4000 Düsseldorf	Verfahren zur verbesserten destillativen aufarbeitung von glycerin
JPH0789942B2 (ja) *	1987-09-30	1995-10-04	株式会社島津製作所	乳酸の精製法
US4867849A (en) *	1988-07-25	1989-09-19	Cova Dario R	Purification of alkyl glyoxylate
US5171407A (en) *	1989-09-22	1992-12-15	Sulzer Brothers Limited	Distillation plant for producing hydrogen peroxide
US5051152A (en) *	1989-09-26	1991-09-24	Air Products And Chemicals, Inc.	Preparation of urethane prepolymers having low levels of residual toluene diisocyanate
US5202001A (en) *	1989-09-26	1993-04-13	Air Products And Chemicals, Inc.	Preparation of urethane prepolymers having low levels of residual toluene diisocyanate
US6326458B1 (en) *	1992-01-24	2001-12-04	Cargill, Inc.	Continuous process for the manufacture of lactide and lactide polymers
US5420304A (en) *	1992-03-19	1995-05-30	Biopak Technology, Ltd.	Method to produce cyclic esters
US5208342A (en)	1992-03-30	1993-05-04	Hoechst Celanese Corporation	Conversion of pyridine-2,3-dicarboxylic acid esters to cyclic anhydrides
US5334130A (en) *	1992-05-13	1994-08-02	Savant Instruments, Inc.	Centrifugal vacuum concentration with holder assembly
US5303769A (en) *	1992-09-25	1994-04-19	The M. W. Kellogg Company	Integrated thermosiphon heat exchanger apparatus
DE4239117A1 (de) *	1992-11-20	1994-05-26	Wacker Chemie Gmbh	Verfahren zur Isolierung von reinem Diketen unter Rückgewinnung von Wertstoffen
GB9306409D0 (en) *	1993-03-26	1993-05-19	Bp Chem Int Ltd	Process
FR2713878B1 (fr) *	1993-12-07	1996-03-08	Garidel Jean Paul	Machine pour assembler des composants sur un support, en phase vapeur, auto-stabilisée thermiquement.
US5582692A (en) *	1994-10-07	1996-12-10	Artisan Industries, Inc.	Method for the purification of vitamin E
US6254734B1 (en) *	1995-03-14	2001-07-03	Hugo H Sephton	Barometric evaporation process and evaporator
DE19522377A1 (de) *	1995-06-22	1997-01-02	Basf Ag	Verfahren zur Gewinnung von Hydroxycarbonsäuren aus wäßrigen Lösungen
US5660691A (en) *	1995-11-13	1997-08-26	Eastman Chemical Company	Process for the production of tocotrienol/tocopherol blend concentrates
DE19733903A1 (de) *	1997-08-05	1999-02-11	Basf Ag	Verfahren zur Gewinnung von Hydroxxpivalinsäureneopentylglykolester (HPN)
US6706898B2 (en) *	1998-01-29	2004-03-16	Archer-Daniels-Midland Company	Methods for separating a tocopherol from a tocopherol-containing mixture
WO2000056693A1 (en) *	1999-03-22	2000-09-28	Purac Biochem B.V.	Method of industrial-scale purification of lactic acid
NL1013682C2 (nl)	1999-11-26	2001-05-30	Purac Biochem Bv	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.
US6509179B1 (en) *	2000-10-12	2003-01-21	Barbara I. Veldhuis-Stribos	Continuous process for preparing lactic acid
US6982026B2 (en) *	2001-03-15	2006-01-03	Tate & Lyle Ingredients Americas, Inc.	Azeotropic distillation process for producing organic acids or organic acid amides
AT412951B (de) *	2003-10-02	2005-09-26	Vtu Engineering Planungs Und B	Dünnschichtverdampfer

1999
- 1999-11-26 NL NL1013682A patent/NL1013682C2/nl not_active IP Right Cessation
2000
- 2000-11-27 US US10/130,990 patent/US7410556B1/en not_active Expired - Lifetime
- 2000-11-27 AU AU25573/01A patent/AU2557301A/en not_active Abandoned
- 2000-11-27 CN CNB008162980A patent/CN1191225C/zh not_active Expired - Lifetime
- 2000-11-27 BR BRPI0015808-9A patent/BR0015808B1/pt not_active IP Right Cessation
- 2000-11-27 EP EP00989029A patent/EP1232137B1/de not_active Expired - Lifetime
- 2000-11-27 AT AT00989029T patent/ATE299487T1/de not_active IP Right Cessation
- 2000-11-27 ES ES00989029T patent/ES2244494T3/es not_active Expired - Lifetime
- 2000-11-27 DE DE60021279T patent/DE60021279T2/de not_active Expired - Lifetime
- 2000-11-27 JP JP2001539840A patent/JP5065561B2/ja not_active Expired - Fee Related
- 2000-11-27 WO PCT/NL2000/000865 patent/WO2001038283A1/en not_active Ceased
2007
- 2007-07-19 US US11/780,388 patent/US7875153B2/en not_active Expired - Fee Related
2008
- 2008-04-16 US US12/104,302 patent/US7879197B2/en not_active Expired - Fee Related
2010
- 2010-11-30 BR BRC10015808A patent/BRPI0015808F1/pt unknown
- 2010-12-20 US US12/973,775 patent/US8192589B2/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1594843A (en) *	1921-08-19	1926-08-03	Du Pont	Purification of lactic acid
BE1008099A3 (fr) *	1994-03-04	1996-01-16	Brussels Biotech Sa	Production semi-continue de polylactides par ouverture de cycle lactides obtenus a partir de derives d'acide lactique.
WO1998055442A1 (fr) *	1997-06-06	1998-12-10	'BRUSSELS BIOTECH' en abrégé '2B'	Procede de purification d'acide lactique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7332085B2 (en)	2000-09-15	2008-02-19	Purac Biochem B.V.	Method for the purification of an α-hydroxy acid on an industrial scale
US10266856B2 (en)	2014-07-28	2019-04-23	Purac Biochem Bv	Method for the preparation of lactic acid
CN114573448A (zh) *	2022-01-29	2022-06-03	安徽丰原发酵技术工程研究有限公司	一种提取乳酸的方法
CN114573448B (zh) *	2022-01-29	2023-12-15	安徽丰原发酵技术工程研究有限公司	一种提取乳酸的方法

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US7879197B2 (en)	2011-02-01
WO2001038283A1 (en)	2001-05-31
BR0015808A (pt)	2002-08-06
EP1232137B1 (de)	2005-07-13
US7875153B2 (en)	2011-01-25
BR0015808B1 (pt)	2011-05-03
US8192589B2 (en)	2012-06-05
EP1232137A1 (de)	2002-08-21
US20110089016A1 (en)	2011-04-21
US7410556B1 (en)	2008-08-12
US20080308402A1 (en)	2008-12-18
ATE299487T1 (de)	2005-07-15
ES2244494T3 (es)	2005-12-16
BRPI0015808E2 (pt)	2014-02-25
DE60021279D1 (de)	2005-08-18
JP5065561B2 (ja)	2012-11-07
CN1191225C (zh)	2005-03-02
AU2557301A (en)	2001-06-04
DE60021279T2 (de)	2006-05-18
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US20080257710A1 (en)	2008-10-23

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US4867849A (en)	1989-09-19	Purification of alkyl glyoxylate
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