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.)
Chemische Werke Witten GmbH
Original Assignee
Chemische Werke Witten GmbH
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 Chemische Werke Witten GmbHfiledCriticalChemische Werke Witten GmbH
Priority to FR924125ApriorityCriticalpatent/FR1346768A/en
Application grantedgrantedCritical
Publication of FR1346768ApublicationCriticalpatent/FR1346768A/en