BR0113939B1 - método para a purificação de um ácido alfa-hidróxi em uma escala industrial. - Google Patents

método para a purificação de um ácido alfa-hidróxi em uma escala industrial.

Info

Publication number
BR0113939B1
BR0113939B1 BRPI0113939-8A BR0113939A BR0113939B1 BR 0113939 B1 BR0113939 B1 BR 0113939B1 BR 0113939 A BR0113939 A BR 0113939A BR 0113939 B1 BR0113939 B1 BR 0113939B1
Authority
BR
Brazil
Prior art keywords
hydroxy acid
alpha
crystallization
acid solution
concentrated
Prior art date
Application number
BRPI0113939-8A
Other languages
English (en)
Other versions
BR0113939A (pt
BRPI0113939B8 (pt
Inventor
Krieken Jan Van
Breugel Jan Van
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=BR0113939(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR0113939A publication Critical patent/BR0113939A/pt
Publication of BR0113939B1 publication Critical patent/BR0113939B1/pt
Publication of BRPI0113939B8 publication Critical patent/BRPI0113939B8/pt

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)
BRPI0113939A 2000-09-15 2001-09-14 método para a purificação de um ácido alfa-hidróxi em uma escala industrial. BRPI0113939B8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (3)

Publication Number Publication Date
BR0113939A BR0113939A (pt) 2003-07-22
BR0113939B1 true BR0113939B1 (pt) 2012-09-04
BRPI0113939B8 BRPI0113939B8 (pt) 2021-07-27

Family

ID=19772098

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0113939A BRPI0113939B8 (pt) 2000-09-15 2001-09-14 método para a purificação de um ácido alfa-hidróxi em uma escala industrial.

Country Status (10)

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

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
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
AU2002212811A1 (en) 2002-03-26
ES2302753T5 (es) 2011-12-12
DE60133013T2 (de) 2009-02-26

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09X Republication of the decision to grant [chapter 9.1.3 patent gazette]

Free format text: REFERENTE A RPI 2126 DE 04/10/2011 CODIGO DE DESPACHO: 9.1

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/09/2012, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/09/2001, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 21A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2687 DE 05-07-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.