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
CA084,160A
Inventor
Pieter Visser
Godfried J. Van Den Berg
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BVfiledCriticalShell Internationale Research Maatschappij BV
Priority to CA084,160ApriorityCriticalpatent/CA947669A/en
Application grantedgrantedCritical
Publication of CA947669ApublicationCriticalpatent/CA947669A/en