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.)
Cavity GmbH
Original Assignee
Deutsche Solvay Werke GmbH
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 Deutsche Solvay Werke GmbHfiledCriticalDeutsche Solvay Werke GmbH
Application grantedgrantedCritical
Publication of FR901673ApublicationCriticalpatent/FR901673A/en