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.)
Pending
Application number
GB909023466A
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 GB909023466ApriorityCriticalpatent/GB9023466D0/en
Publication of GB9023466D0publicationCriticalpatent/GB9023466D0/en
Priority to CA002053578Aprioritypatent/CA2053578A1/en
Priority to EP91202771Aprioritypatent/EP0483919A2/en
Priority to NO914220Aprioritypatent/NO178063C/en
Priority to JP3283093Aprioritypatent/JPH04282330A/en