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
CA716178A
Inventor
E. Thompson Charles
Joseph M. Kelley, Jr.
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Esso Research and Engineering Co
Publication date
Application grantedgrantedCritical
Publication of CA716178ApublicationCriticalpatent/CA716178A/en