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
CA885357A
Inventor
Von Der Eltz Hans-Ulrich
Helling Heinz
Gross Richard
Original Assignee
Farbwerke Hoechst AG
Publication date
Application grantedgrantedCritical
Publication of CA885357ApublicationCriticalpatent/CA885357A/en