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
CA739548A
Inventor
Berg Gerhard
Schanzer Wilhelm
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.)
Huels AG
Original Assignee
Gerhard Berg
Wilhelm Schanzer
Chemische Werke Huels AG
Publication date
Application grantedgrantedCritical
Publication of CA739548ApublicationCriticalpatent/CA739548A/en