AU2002212811A1 - Method for the purification of an alpha-hydroxy acid on an industrial scale - Google Patents

Method for the purification of an alpha-hydroxy acid on an industrial scale

Info

Publication number
AU2002212811A1
AU2002212811A1 AU2002212811A AU1281102A AU2002212811A1 AU 2002212811 A1 AU2002212811 A1 AU 2002212811A1 AU 2002212811 A AU2002212811 A AU 2002212811A AU 1281102 A AU1281102 A AU 1281102A AU 2002212811 A1 AU2002212811 A1 AU 2002212811A1
Authority
AU
Australia
Prior art keywords
alpha
hydroxy acid
crystallization
acid solution
concentrated
Prior art date
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.)
Abandoned
Application number
AU2002212811A
Other languages
English (en)
Inventor
Jan Van Breugel
Jan Van Krieken
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.)
Filing date
Publication date
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=AU2002212811(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Purac Biochem BV filed Critical Purac Biochem BV
Publication of AU2002212811A1 publication Critical patent/AU2002212811A1/en
Abandoned 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)
AU2002212811A 2000-09-15 2001-09-14 Method for the purification of an alpha-hydroxy acid on an industrial scale Abandoned AU2002212811A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1016202 2000-09-15
NL1016202 2000-09-15
PCT/NL2001/000683 WO2002022545A1 (en) 2000-09-15 2001-09-14 METHOD FOR THE PURIFICATION OF α-HYDROXI ON INDUSTRIAL SCALE _______________________________________________________

Publications (1)

Publication Number Publication Date
AU2002212811A1 true AU2002212811A1 (en) 2002-03-26

Family

ID=19772098

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002212811A Abandoned AU2002212811A1 (en) 2000-09-15 2001-09-14 Method for the purification of an alpha-hydroxy acid on an industrial scale

Country Status (10)

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

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
EP4190767A4 (en) * 2020-07-31 2024-02-14 Mitsubishi Gas Chemical Co METHOD FOR MANUFACTURING ALPHA-HYDROXYCARBOXYLIC ACID COMPOSITION

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
WO1992005138A1 (en) 1990-09-20 1992-04-02 E.I. Du Pont De Nemours And Company Manufacture of high-purity hydroxyacetic acid
EP0563455A1 (en) 1992-03-31 1993-10-06 Purac Biochem B.V. Particulate solid products containing a lump forming inhibitor
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
JP2002540090A (ja) * 1999-03-22 2002-11-26 ピユラク・バイオケム・ベー・ブイ 乳酸を産業規模で精製する方法
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.

Also Published As

Publication number Publication date
ATE387420T1 (de) 2008-03-15
BR0113939B1 (pt) 2012-09-04
JP2004509091A (ja) 2004-03-25
EP1317409B1 (en) 2008-02-27
EP1317409A1 (en) 2003-06-11
US20040129635A1 (en) 2004-07-08
WO2002022545A1 (en) 2002-03-21
DE60133013D1 (de) 2008-04-10
BR0113939A (pt) 2003-07-22
BRPI0113939B8 (pt) 2021-07-27
ES2302753T3 (es) 2008-08-01
US7332085B2 (en) 2008-02-19
EP1317409B2 (en) 2011-07-27
CN1281570C (zh) 2006-10-25
DE60133013T3 (de) 2012-02-23
CN1592730A (zh) 2005-03-09
ES2302753T5 (es) 2011-12-12
DE60133013T2 (de) 2009-02-26

Similar Documents

Publication Publication Date Title
BRPI0009229B8 (pt) processo de purificação de ácido láctico, em escala industrial.
IN2012DE01021A (zh)
PT1308680E (pt) Processo e instalacao para a producao de cripton e/ou de xenon por fraccionamento do ar a baixa temperatura
NZ504956A (en) Process for the purification of lithium carbonate by reacting the impure Li2CO3 with CO2 to form LiHCO3
DE60013992D1 (de) Wasseraufspaltungsverfahren mittels Elektrodialyse
TW372932B (en) Process for producing a purified aqueous hydrogen peroxide solution
AU2002212811A1 (en) Method for the purification of an alpha-hydroxy acid on an industrial scale
CA2023405A1 (en) Process for purifying n-phosphonomethylglycine
BR9913720A (pt) Processo de purificação por cristalização ourecristalização de ácidos carboxìlicos
BR0002072A (pt) Processo e aparelhagem para produção de oxigênio de pureza moderada e de nitrogênio de pureza moderada por meio de separação criogênica de ar
ES2128070T3 (es) Detergente en bloque que contiene acido nitrilotriacetico.
IT1301993B1 (it) Processo per la preparazione di zofenopril sale di calcio.
TW200517368A (en) Process
CA2293319A1 (en) Method for producing highly pure aqueous hydroxylamine solutions
ES2115809T3 (es) Recuperacion de sales de acidos organicos de corrientes de proceso impuras mediante adicion de bases.
ES2145390T3 (es) Procedimiento y dispositivo de regeneracion de una solucion usada de decapado de elementos en aleacion de circonio.
JPS6422849A (en) Purification of 3-(3,4-dihydroxyphenyl)serine
BR9610494A (pt) Processo metatético de ácido-sal mediado por membrana trocadora de cátions
JPS5436281A (en) Purification and separation method
JPS56161358A (en) Preparation of dl-lysine
TH51260A (th) การผลิตกรดซัลฟิวริกชนิดมีสภาพบริสุทธิ์สูง
TH41449A (th) การเตรียมสารละลายไฮดรอกซิลอามีนแอคเควียสที่บริสุทธิ์มาก
JPS6229989A (ja) エタノ−ル水溶液中からのエタノ−ル精製方法