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
CA827619A
Inventor
B. Shippee Fred
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.)
Total Petrochemicals and Refining USA Inc
Original Assignee
Cosden Oil and Chemical Co
Publication date
Application grantedgrantedCritical
Publication of CA827619ApublicationCriticalpatent/CA827619A/en