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
CA 49496
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.)
ETHYL IMCO Inc
Original Assignee
ETHYL IMCO Inc
Publication date
Priority to CA 49496priorityCriticalpatent/CA49496S/en
Application grantedgrantedCritical
Publication of CA49496SpublicationCriticalpatent/CA49496S/en