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
CA731148A
Inventor
Buechel Karl-Heinz
K. Bocz Alexius
W.A.G.K. Korte Friedrich
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.)
Shell USA Inc
Original Assignee
Alexius K Bocz
Friedrich Wagk Korte
Karl-Heinz Buechel
Shell Oil Co
Publication date
Application grantedgrantedCritical
Publication of CA731148ApublicationCriticalpatent/CA731148A/en