Title:
【発明の名称】ポリアルキレンオキシ着色剤の製造方法
Document Type and Number:
Japanese Patent JPS5945696
Kind Code:
B2
Abstract:
A process is provided for removing impurities from a polyalkyleneoxy coloring agent, which comprises heating a crude reaction product containing the polyalkyleneoxy coloring agent and impurities to a temperature at which the crude reaction product separates into two liquid phases, one phase containing the coloring agent in relatively pure form and the other phase containing the impurities; and separating the phase containing the coloring agent from the phase containing the impurities.
Inventors:
JON PAASON KUROSU
RARUFU NOOBURU BURENDORU
RARUFU NOOBURU BURENDORU
Application Number:
JP16157282A
Publication Date:
November 08, 1984
Filing Date:
September 16, 1982
Export Citation:
Assignee:
MILLIKEN RES CORP
International Classes:
C08K5/00; C08K5/22; C08K5/23; C09B1/28; C09B29/08; C09B29/085; C09B67/54; C09B69/00; (IPC1-7): C09B29/08
Attorney, Agent or Firm:
Takehiko Suzue
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