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.)
Expired
Application number
CA785323A
Inventor
Troussier Maurice
Grimaud Edouard
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.)
UGINE KUHLMANN UNE Ste
Original Assignee
UGINE KUHLMANN UNE Ste
Publication date
Application grantedgrantedCritical
Publication of CA785323ApublicationCriticalpatent/CA785323A/en