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.)
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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Filing date
Publication date
Application filed by Teijin LtdfiledCriticalTeijin Ltd
Priority to JP4515677ApriorityCriticalpatent/JPS53130730A/en
Publication of JPS53130730ApublicationCriticalpatent/JPS53130730A/en
PURPOSE: One parts by wt of quinophthalone pigment is uniformly coated with more than 0.5 partsof a terephthalic acid linear polyester to produce said coloring agent composition with improved pigment dispersibility, heat and dimensional stability.