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.)
Shawinigan Chemicals Ltd
Original Assignee
Shawinigan Chemicals 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 to DENDAT1249235DpriorityCriticalpatent/DE1249235B/en
Application filed by Shawinigan Chemicals LtdfiledCriticalShawinigan Chemicals Ltd
Priority to FR936188Aprioritypatent/FR1362769A/en
Application grantedgrantedCritical
Publication of FR1362769ApublicationCriticalpatent/FR1362769A/en