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
CA670175A
Inventor
A. Girard Theodore
C. Slaght Edgar
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.)
Heyden Newport Chemical Corp
Original Assignee
Heyden Newport Chemical Corp
Publication date
Application grantedgrantedCritical
Publication of CA670175ApublicationCriticalpatent/CA670175A/en