Document Type and Number:
Japanese Patent JPS5074630
Kind Code:
A
Abstract:
Basic oxazine and phenazine dyestuffs are isolated from their solutions by adding urea or thiourea.
More Like This:
Application Number:
JP12263174A
Publication Date:
June 19, 1975
Filing Date:
October 25, 1974
Export Citation:
International Classes:
C09B17/00; C09B17/02; C09B19/00; C09B67/54; (IPC1-7): C09B19/00