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
CA812283A
Inventor
Wicht Paul
Volken Kurt
Reverdin Andre
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.)
Lonza AG
Original Assignee
Lonza AG
Publication date
Application grantedgrantedCritical
Publication of CA812283ApublicationCriticalpatent/CA812283A/en