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
CA799552A
Inventor
Von Portatius Hans
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
Hans Von Portatius
Chemische Werke Huels AG
Publication date
Application grantedgrantedCritical
Publication of CA799552ApublicationCriticalpatent/CA799552A/en