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
CA611232A
Inventor
Ringdal Lars
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.)
KUPAG KUNSTOFF-PATENT-VERWALTUNGS AG
Original Assignee
KUPAG KUNSTOFF-PATENT-VERWALTUNGS AG
Publication date
Application grantedgrantedCritical
Publication of CA611232ApublicationCriticalpatent/CA611232A/en