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
CA788899A
Inventor
E. Epstein Martin
J. Rosenthal Arnold
G. Santangelo Joseph
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.)
Celanese Corp
Original Assignee
Celanese Corp
Publication date
Application grantedgrantedCritical
Publication of CA788899ApublicationCriticalpatent/CA788899A/en