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.)
BASF Catalysts UK Holdings Ltd
Original Assignee
Engelhard Industries Ltd
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 CH411962Aexternal-prioritypatent/CH386017A/en
Application filed by Engelhard Industries LtdfiledCriticalEngelhard Industries Ltd
Priority to FR894004ApriorityCriticalpatent/FR1319609A/en
Application grantedgrantedCritical
Publication of FR1319609ApublicationCriticalpatent/FR1319609A/en