ES2034988T3 - Procedimiento para disminuir el contenido en sales de cobre en la oxamida. - Google Patents

Procedimiento para disminuir el contenido en sales de cobre en la oxamida.

Info

Publication number
ES2034988T3
ES2034988T3 ES198787107794T ES87107794T ES2034988T3 ES 2034988 T3 ES2034988 T3 ES 2034988T3 ES 198787107794 T ES198787107794 T ES 198787107794T ES 87107794 T ES87107794 T ES 87107794T ES 2034988 T3 ES2034988 T3 ES 2034988T3
Authority
ES
Spain
Prior art keywords
oxamide
content
decrease
procedure
copper
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 - Lifetime
Application number
ES198787107794T
Other languages
English (en)
Inventor
Wilhelm Dr. Riemenschneider
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2034988T3 publication Critical patent/ES2034988T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C07C231/24—Separation; Purification

Landscapes

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

Abstract

EL CONTENIDO DE COBRE DE LA OXAMIDA, OBTENIDA EN PRESENCIA DE SOLUCIONES DE CATALIZADOR QUE CONTENGAN COBRE, SE PUEDE DISMINUIR AGITANDO UNA SUSPENSION COMPUESTA POR OXAMIDA CON CONTENIDO DE COBRE, AL MENOS UN COMPLEJANTE Y AGUA, A UNA TEMPERATURA DE 20 A 100 GRADOS CENTIGRADOS Y SEPARANDO SEGUIDAMENTE DE ESTA SOLUCION LA OXAMIDA QUE SE HA EMPOBRECIDO EN COBRE.
ES198787107794T 1986-06-04 1987-05-29 Procedimiento para disminuir el contenido en sales de cobre en la oxamida. Expired - Lifetime ES2034988T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863618816 DE3618816A1 (de) 1986-06-04 1986-06-04 Verfahren zur verringerung des kupfersalzgehalts in oxamid

Publications (1)

Publication Number Publication Date
ES2034988T3 true ES2034988T3 (es) 1993-04-16

Family

ID=6302279

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787107794T Expired - Lifetime ES2034988T3 (es) 1986-06-04 1987-05-29 Procedimiento para disminuir el contenido en sales de cobre en la oxamida.

Country Status (5)

Country Link
EP (1) EP0248358B1 (es)
JP (1) JPS62292751A (es)
AT (1) ATE80154T1 (es)
DE (2) DE3618816A1 (es)
ES (1) ES2034988T3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1213401B (it) * 1986-12-11 1989-12-20 Enichem Anic Spa Procedimento di purificazione della diamide dell'acido ossalico.
CN110041218B (zh) * 2018-01-15 2022-04-05 中国科学院兰州化学物理研究所 一种草酰胺的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH348399A (fr) * 1955-08-25 1960-08-31 American Cyanamid Co Procédé pour la préparation d'acrylamide pratiquement exempte de fer
IT1190318B (it) * 1986-04-17 1988-02-16 Enichem Anic Spa Procedimento di purificazione della diamide dell'acido ossalico
IT1213401B (it) * 1986-12-11 1989-12-20 Enichem Anic Spa Procedimento di purificazione della diamide dell'acido ossalico.

Also Published As

Publication number Publication date
DE3781459D1 (de) 1992-10-08
EP0248358A3 (en) 1989-04-26
JPS62292751A (ja) 1987-12-19
EP0248358B1 (de) 1992-09-02
ATE80154T1 (de) 1992-09-15
DE3618816A1 (de) 1987-12-10
EP0248358A2 (de) 1987-12-09

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