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
CA852424A
Inventor
Andris Kurt
Welbers Anton
Braun Volker
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 Rhodiaceta AG
Original Assignee
Deutsche Rhodiaceta AG
Publication date
Application grantedgrantedCritical
Publication of CA852424ApublicationCriticalpatent/CA852424A/en