ES8201967A1 - Procedimiento para extraer y obtener acido tioglicolico de medios acuosos - Google Patents

Procedimiento para extraer y obtener acido tioglicolico de medios acuosos

Info

Publication number
ES8201967A1
ES8201967A1 ES500884A ES500884A ES8201967A1 ES 8201967 A1 ES8201967 A1 ES 8201967A1 ES 500884 A ES500884 A ES 500884A ES 500884 A ES500884 A ES 500884A ES 8201967 A1 ES8201967 A1 ES 8201967A1
Authority
ES
Spain
Prior art keywords
extracting
aqueous solutions
thioglycolic acid
producing
producing thioglycolic
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
ES500884A
Other languages
English (en)
Other versions
ES500884A0 (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.)
Sanofi Aventis Deutschland GmbH
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella AG
Cassella Farbwerke Mainkur AG
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
Application filed by Cassella AG, Cassella Farbwerke Mainkur AG filed Critical Cassella AG
Publication of ES500884A0 publication Critical patent/ES500884A0/es
Publication of ES8201967A1 publication Critical patent/ES8201967A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/26—Separation; Purification; Stabilisation; Use of additives
    • C07C319/28—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA EXTRAER Y OBTENER ACIDO TIOGLICOLICO A PARTIR DE MEDIOS ACUOSOS UTILIZANDO DISOLVENTES ORGANICOS COMO MEDIO DE EXTRACCION. CONSISTE EN EXTRAER EL ACIDO TIOGLICOLICO DE UNA DISOLUCION ACUOSA A PH COMPRENDIDO ENTRE 0 Y 4, MEDIANTE UNA TETRAALQUILUREA DE FORMULA (I), EN LA QUE R1, R2, R3 Y R4 SON RADICALES ALQUILO C1-9, DE MODO QUE EL NUMERO TOTAL DE ATOMOS DE CARBONO ESTA COMPRENDIDO ENTRE 12 Y 24,SEGUIDO DE LA SEPARACION Y PURIFICACION DEL ACIDO TIOGLICOLICO POR DESTILACION A PRESION REDUCIDA.
ES500884A 1980-04-01 1981-03-31 Procedimiento para extraer y obtener acido tioglicolico de medios acuosos Expired ES8201967A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803012580 DE3012580A1 (de) 1980-04-01 1980-04-01 Verfahren zur extraktion und gewinnung von thioglycolsaeure aus waessrigen medien

Publications (2)

Publication Number Publication Date
ES500884A0 ES500884A0 (es) 1982-01-16
ES8201967A1 true ES8201967A1 (es) 1982-01-16

Family

ID=6098950

Family Applications (1)

Application Number Title Priority Date Filing Date
ES500884A Expired ES8201967A1 (es) 1980-04-01 1981-03-31 Procedimiento para extraer y obtener acido tioglicolico de medios acuosos

Country Status (4)

Country Link
EP (1) EP0037016B1 (es)
JP (1) JPS56152453A (es)
DE (2) DE3012580A1 (es)
ES (1) ES8201967A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272155A (ja) * 1988-09-06 1990-03-12 Daicel Chem Ind Ltd チオグリコール酸の精製方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980701A (en) * 1974-05-06 1976-09-14 The Dow Chemical Company Extraction of carboxylic acids from dilute aqueous solutions

Also Published As

Publication number Publication date
EP0037016A1 (de) 1981-10-07
ES500884A0 (es) 1982-01-16
DE3012580A1 (de) 1981-10-15
EP0037016B1 (de) 1983-04-06
DE3160148D1 (en) 1983-05-11
JPS56152453A (en) 1981-11-26

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