ES8605463A1 - Procedimiento para la obtencion de esteres de acido lactico - Google Patents

Procedimiento para la obtencion de esteres de acido lactico

Info

Publication number
ES8605463A1
ES8605463A1 ES546878A ES546878A ES8605463A1 ES 8605463 A1 ES8605463 A1 ES 8605463A1 ES 546878 A ES546878 A ES 546878A ES 546878 A ES546878 A ES 546878A ES 8605463 A1 ES8605463 A1 ES 8605463A1
Authority
ES
Spain
Prior art keywords
alcohol
lactic
preparation
mixt
reaction
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.)
Expired
Application number
ES546878A
Other languages
English (en)
Other versions
ES546878A0 (es
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.)
BASF SE
Original Assignee
BASF SE
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=6245172&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES8605463(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Publication of ES8605463A1 publication Critical patent/ES8605463A1/es
Publication of ES546878A0 publication Critical patent/ES546878A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07—Optical isomers

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)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE ESTERES DE ACIDO LACTICO. COMPRENDE: A) FILTRAR A LA MEZCLA DE REACCION BRUTA QUE PROCEDE DE LA FERMENTACION QUE CONTIENE AL ACIDO D O L-LACTICO EN FORMA DE LACTATO CALCICO Y TIENE UNA TEMPERATURA ENTRE 60J Y 80JC, PARA ELIMINAR LOS SOLIDOS COMO LA BIOMASA O EL CARBONATO DE CALCIO SIN CONSUMIR; B) SECAR EL FILTRADO EN UNA TORRE DE PULVERIZACION CON AIRE CALIENTE A UNA TEMPERATURA ENTRE 280 Y 300JC; C) ESTERIFICAR AL LACTATO DE CALCIO CON ALCOHOLES DE FORMULA (ROH) DE BAJO PESO MOLECULAR EN PRESENCIA DE UN ACIDO FUERTE; D) ELIMINAR EL AGUA DEL MEDIO DE REACCION POR MEDIO DE UNA DESTILACION AZEOTROPICA EN PRESENCIA DE UN AGENTE DE ARRASTRE COMO TOLUENO; Y E) AISLAR EL ESTER POR EXTRACCION EN FASE ORGANICA. LOS ALCOHOLES SE ELIGEN ENTRE BUTANOL, PENTANOL O GLICOL; Y LOS ACIDOS FUERTES SON HBR O ACIDOS SULFONICOS.
ES546878A 1984-09-12 1985-09-11 Procedimiento para la obtencion de esteres de acido lactico Expired ES8605463A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843433400 DE3433400A1 (de) 1984-09-12 1984-09-12 Verfahren zur herstellung von milchsaeureestern

Publications (2)

Publication Number Publication Date
ES8605463A1 true ES8605463A1 (es) 1986-03-16
ES546878A0 ES546878A0 (es) 1986-03-16

Family

ID=6245172

Family Applications (1)

Application Number Title Priority Date Filing Date
ES546878A Expired ES8605463A1 (es) 1984-09-12 1985-09-11 Procedimiento para la obtencion de esteres de acido lactico

Country Status (5)

Country Link
EP (1) EP0174624B1 (es)
JP (1) JPS6174588A (es)
DE (2) DE3433400A1 (es)
DK (1) DK412685A (es)
ES (1) ES8605463A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2728883B2 (ja) * 1988-05-18 1998-03-18 三井東圧化学株式会社 アミノ酸メチルエスエル鉱酸塩の製造法
KR20020019598A (ko) * 1999-08-03 2002-03-12 추후제출 유기산의 회수 방법
US6902917B1 (en) 1999-08-03 2005-06-07 Archer-Daniels-Midland Company Process for recovery of organic acids from fermentration broths
NL1013870C2 (nl) * 1999-12-16 2001-06-21 Purac Biochem Bv Werkwijze voor het zuiveren van melkzure esters.
JP4831394B2 (ja) * 2003-10-09 2011-12-07 独立行政法人産業技術総合研究所 カルボン酸系化合物の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668806A (en) * 1926-11-29 1928-05-08 Commercial Solvents Corp Normal butyl lactate
US1695449A (en) * 1927-02-18 1928-12-18 Commercial Solvents Corp Process for the manufacture of esters
US2390140A (en) * 1944-02-17 1945-12-04 Sealtest Inc Preparation of alkyl lactates
DE3222837A1 (de) * 1982-06-18 1983-12-22 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von milchsaeuremethylester

Also Published As

Publication number Publication date
EP0174624B1 (de) 1987-07-22
EP0174624A1 (de) 1986-03-19
DK412685A (da) 1986-03-13
JPS6174588A (ja) 1986-04-16
DE3560360D1 (en) 1987-08-27
DK412685D0 (da) 1985-09-11
DE3433400A1 (de) 1986-03-20
ES546878A0 (es) 1986-03-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19960603