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.)
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Daicel Corp
Original Assignee
Daicel Corp
Daicel Chemical Industries Ltd
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Filing date
Publication date
Application filed by Daicel Corp, Daicel Chemical Industries LtdfiledCriticalDaicel Corp
Priority to JP7409077ApriorityCriticalpatent/JPS548658A/en
Publication of JPS548658ApublicationCriticalpatent/JPS548658A/en
PURPOSE: The second melt flow is joined the first melt flow in the width direction of the band blank so that they may differ in color, pattern and transparency from each other to produce plastic blanks for frames of spectacles with deep-effective shade-off pattern.
COPYRIGHT: (C)1979,JPO&Japio
JP7409077A1977-06-211977-06-21Production of band blank of plastic
PendingJPS548658A
(en)
A process for the preparation of the dyestuff direct yellow 11 in the form of concentrated stable solutions, the solutions obtained and their applications