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.)
Expired
Application number
CA100533A
Inventor
Weigert Wolfgang
Troger Jurgen
Weiberg Otto
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.)
Evonik Operations GmbH
Original Assignee
Jurgen Troger
Otto Weiberg
Deutsche Gold und Silber Scheideanstalt
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 DE19691962672external-prioritypatent/DE1962672C3/en
Application filed by Jurgen Troger, Otto Weiberg, Deutsche Gold und Silber ScheideanstaltfiledCriticalJurgen Troger
Application grantedgrantedCritical
Publication of CA918171ApublicationCriticalpatent/CA918171A/en