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
CA743911A
Inventor
H. Swan Alfred
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.)
Cumberland Chemical Corp
Original Assignee
Cumberland Chemical Corp
Publication date
Application grantedgrantedCritical
Publication of CA743911ApublicationCriticalpatent/CA743911A/en