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.)
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.)
Diamond Shamrock Corp
Original Assignee
Diamond Shamrock Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA051,366Aexternal-prioritypatent/CA943442A/en
Application filed by Diamond Shamrock CorpfiledCriticalDiamond Shamrock Corp
Priority to CA187,477ApriorityCriticalpatent/CA962923A/en
Application grantedgrantedCritical
Publication of CA962923ApublicationCriticalpatent/CA962923A/en