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
CA679777A
Inventor
Schwenk Ernst
Metschke Hatto
Scharhag Willi
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 Werk Kalle Albert
Original Assignee
Chemische Werke Albert
Publication date
Application grantedgrantedCritical
Publication of CA679777ApublicationCriticalpatent/CA679777A/en