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.)
Koch Processes Ltd
Original Assignee
Koch Processes 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 GB652260Aexternal-prioritypatent/GB976351A/en
Application filed by Koch Processes LtdfiledCriticalKoch Processes Ltd
Priority to FR853345ApriorityCriticalpatent/FR1281114A/fr
Application grantedgrantedCritical
Publication of FR1281114ApublicationCriticalpatent/FR1281114A/fr