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
CA106,422A
Inventor
John F. Villiers-Fisher
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.)
Chemical Construction Corp
Original Assignee
Chemical Construction 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
Application filed by Chemical Construction CorpfiledCriticalChemical Construction Corp
Priority to CA106,422ApriorityCriticalpatent/CA942034A/en
Application grantedgrantedCritical
Publication of CA942034ApublicationCriticalpatent/CA942034A/en