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
CA823698A
Inventor
Herwig Walter
Brinkmann Ludwig
G. M. Gumboldt Albert
Weissermel Klaus
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.)
Hoechst AG
Original Assignee
Farbwerke Hoechst AG
Publication date
Application grantedgrantedCritical
Publication of CA823698ApublicationCriticalpatent/CA823698A/en