Title:
METHOD OF REDUCING COPPER SALT CONTENT IN OXAMIDE
Document Type and Number:
Japanese Patent JPS62292751
Kind Code:
A
Abstract:
The copper content of oxamide, prepared in the presence of copper-containing catalyst solutions can be reduced by stirring a suspension comprising copper-containing oxamide, at least one complexing agent and water at a temperature of 20 to 100 DEG C and then separating off the copper-depleted oxamide from the solution.
Inventors:
UIRUHERUMU RIIMENSHIYUNAIDERU
Application Number:
JP13781487A
Publication Date:
December 19, 1987
Filing Date:
June 02, 1987
Export Citation:
Assignee:
HOECHST AG
International Classes:
B01J38/00; C01G3/00; C01G3/14; B01J23/94; C07C67/00; C07C231/00; C07C231/24; C07C233/04; C07C233/56; C07C233/58; C05C11/00; (IPC1-7): B01J23/94; B01J38/00; C07C102/00; C07C103/147
Attorney, Agent or Firm:
Ezaki Mitsuyoshi