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.)
DEUTSCHE GOLD- UND-SILBER-SCHEIDEANSTALT VORM ROESSLER
Evonik Operations GmbH
Original Assignee
DEUTSCHE GOLD- UND-SILBER-SCHEIDEANSTALT VORM ROESSLER
Degussa 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 GOLD- UND-SILBER-SCHEIDEANSTALT VORM ROESSLER, Degussa GmbHfiledCriticalDEUTSCHE GOLD- UND-SILBER-SCHEIDEANSTALT VORM ROESSLER
Application grantedgrantedCritical
Publication of FR608273ApublicationCriticalpatent/FR608273A/fr