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
CA876216A
Inventor
Carmen V. Thomas
Original Assignee
DuPont Canada Inc
Publication date
Application grantedgrantedCritical
Publication of CA876216ApublicationCriticalpatent/CA876216A/en