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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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
Priority claimed from JP11044876Aexternal-prioritypatent/JPS5337647A/ja
Priority claimed from JP14490076Aexternal-prioritypatent/JPS5371032A/ja
Application filed by Mitsubishi Gas Chemical Co IncfiledCriticalMitsubishi Gas Chemical Co Inc
Publication of GB1549937ApublicationCriticalpatent/GB1549937A/en