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.)
Unitika Ltd
Original Assignee
Unitika Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Unitika LtdfiledCriticalUnitika Ltd
Priority to JP55164268ApriorityCriticalpatent/JPS5786356A/ja
Priority to DE8181305055Tprioritypatent/DE3165263D1/de
Priority to EP81305055Aprioritypatent/EP0051421B1/en
Priority to US06/316,384prioritypatent/US4431601A/en
Publication of JPS5786356ApublicationCriticalpatent/JPS5786356A/ja
Publication of JPS6160705B2publicationCriticalpatent/JPS6160705B2/ja
Priority to US07/368,952prioritypatent/US4932404A/en